Caterpillarwheel tractor-scraperwheel scraper
Caterpillar 627
Maintenance schedule, common problems & OEM parts breakdown
This record covers the original Caterpillar 627 wheel tractor-scraper, built 1968 to 1972 - the first machine to carry the 627 name and Caterpillar's first twin-diesel scraper at this size class. It runs two independent power units: a Caterpillar D333T turbocharged inline-six diesel in the tractor and an identical D333T in the scraper, each rated near 168 kW (225 hp) at 2,200 rpm for a combined 336 kW (450 hp). Operating weight runs roughly 31.7 tonnes (34.9 tons) empty to about 48.2 tonnes (53.1 tons) loaded, with a bowl rated near 10.7 m3 (14 cu yd) struck and 15.3 m3 (20 cu yd) heaped. It had no direct predecessor; Caterpillar built it to bridge the gap between its smaller single-engine scrapers and the larger twin-power 657 and 666 models, and to answer the Terex TS-14. Caterpillar offered more than one configuration across the run: early production used a manually selected 8-speed front transmission, while the improved series introduced in late 1969 added a semi-automatic 8-speed front transmission, standard cushion-hitch suspension, and a factory push-pull hitch option; the rear scraper unit kept a 4-speed, full torque-converter powershift throughout. Caterpillar replaced the line in 1972 with the 627B, which kept the twin-engine layout but switched to the 3306T engine.
Within its own four-year run the 627 already evolved once, moving from manually shifted early production to the smoother semi-automatic front transmission and factory cushion hitch of the later series. Every subsequent 627 generation - 627B in 1972, then E, F, G, H, and K - kept the split tractor/scraper twin-power concept but moved steadily away from this machine's mechanical roots: the 627B alone changed engines, and later generations added bigger-displacement engines, electronic engine and transmission controls, and eventually a modern current-production 627 with electronic C13/C9.3 engines and grade-control technology that shares nothing mechanical with this 1968-1972 machine beyond the badge. This original twin-D333T 627 is now a machine over 50 years old: mechanical governors, mechanical injection, 24V electrics, and no diagnostic codes of any kind. It survives today mainly in vintage and collector hands, plus a thinning pool of working fleets that still want its brute two-engine pulling power and mechanical simplicity for bulk earthmoving. Caterpillar's mainstream parts network has moved on to later platforms, so sourcing for this machine now runs through used, rebuilt, and aftermarket supply - which is exactly why correctly identifying this specific vintage record, separate from the same-numbered modern 627, matters to anyone shopping parts or evaluating a running unit.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Caterpillar 627 specifications
Engine
| Tractor engine | Caterpillar D333T, inline 6-cylinder, turbocharged diesel, used from the model's mid-1968 introduction through the end of its production run |
| Scraper engine | Caterpillar D333T, inline 6-cylinder, turbocharged diesel, identical rating to the tractor engine, mounted on the scraper (bowl) unit |
| Gross power, each engine | 168 kW (225 hp) at 2,200 rpm, flywheel rating |
| Combined gross power | approx. 336 kW (450 hp), two engines combined |
| Displacement, each engine | approx. 8.6 L (525 cu in), bore 114 mm x stroke 140 mm (4.5 in x 5.5 in); not separately re-verified for the turbocharged D333T variant specifically, so treat as approximate |
| Emissions | Predates EPA/EU emissions-tier regulation; no certified emissions tier applies to this engine generation |
| Engine succession | Caterpillar's running change to the turbocharged 3306T diesel arrived with the 627B model designation in 1972, replacing the D333T; the D333T is the engine tied to the original 627 nameplate for its full production run |
| Electrical system | 24-volt DC, with Delco-Remy or Prestolite starting motors and charging alternators, consistent with this machine generation |
Weights
| Operating weight, empty | approx. 31,660 kg (34.9 tons), tractor and scraper combined, as equipped with cushion hitch and Cat push-pull; varies by configuration |
| Operating weight, loaded | approx. 48,170 kg (53.1 tons), same cushion-hitch/push-pull configuration; varies by configuration and material density |
Dimensions
| Overall length | 15.06 m (49 ft 5 in), with Cat push-pull attachment installed; length varies by hitch/attachment configuration |
| Overall width | 3.53 m (11 ft 7 in) |
| Overall height | 3.40 m (11 ft 2 in) |
| Standard tires | 29.5-29, 28-ply rating, E3 tread; other sizes were offered |
Performance
| Top travel speed | 57.9 km/h (36 mph) |
| Turning circle | 10.31 m (33 ft 10 in) |
| Tractor transmission | 8-speed semi-automatic powershift |
| Scraper transmission | 4-speed powershift, full torque-converter drive |
| Steering | Full hydraulic, twin double-acting cylinders with multiplier linkage |
| Service brakes | Full air, S-cam-actuated expanding-shoe brakes |
| Bowl capacity, struck | 10.7 m3 (14 cu yd) |
| Bowl capacity, heaped | 15.3 m3 (20 cu yd) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
627 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase - tractor engine (D333T, later production 3306T) | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual, or with a Cat dealer. | SAE-graded diesel engine oil selected by ambient temperature per the era operation & maintenance manual chart. This machine predates Caterpillar's DEO branded-oil naming; period practice used single-viscosity oils (e.g., a lighter grade for cold starts, heavier for warm climates) rather than today's multigrade branded products. |
| Engine crankcase - scraper engine (D333T, later production 3306T) | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual, or with a Cat dealer. | Same diesel engine oil family as the tractor engine, since both power units are the same Caterpillar diesel (D333T originally, 3306T from the running change): SAE-graded oil per the era OMM ambient-temperature chart. |
| Cooling system - tractor engine | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual or with a Cat dealer. | Conventional ethylene-glycol base antifreeze/water coolant per the era operation & maintenance manual. This machine predates Cat's Extended Life Coolant (ELC) and DEAC branded coolant lines. |
| Cooling system - scraper engine | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual or with a Cat dealer. | Same conventional ethylene-glycol base antifreeze/water coolant as the tractor engine cooling system, per the era operation & maintenance manual. |
| Fuel tank | Not documented in accessible period literature for this exact vintage twin-engine machine - do not substitute the modern current-production 627's fuel tank figure, which is an unrelated machine. Verify against the original operation & maintenance manual or with a Cat dealer. | No. 2-D type diesel fuel per the era operation & maintenance manual. |
| Transmission - tractor engine (8-speed powershift) | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual or with a Cat dealer. | Period Caterpillar transmission oil (the TO-2 specification of that era, predecessor to today's TDTO branded line), viscosity selected by ambient temperature per the operation & maintenance manual chart. |
| Transmission - scraper engine (4-speed powershift, torque-converter drive) | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual or with a Cat dealer. | Same period Caterpillar TO-2 type transmission oil as the tractor transmission, viscosity selected by ambient temperature per the operation & maintenance manual chart. |
| Hydraulic system (scraper bowl, apron, ejector, cushion hitch, and steering controls - all hydraulically actuated) | Not documented in accessible period literature for this exact serial range - verify against the original operation & maintenance manual or with a Cat dealer. | Period Caterpillar hydraulic oil, commonly the same TO-2 type fluid used in the transmission circuit on mechanical Caterpillar equipment of this era, viscosity selected by ambient temperature per the operation & maintenance manual chart. |
| Grease (all chassis and pin points, spec only) | Not a sump fill - serviced at individual grease fittings per the lubrication chart interval. | General-purpose (multipurpose-type) chassis grease, NLGI grade 2, standard Caterpillar chassis-grease practice of this era predating today's Cat-branded grease line (Cat Extreme Application Grease, Prime Application Grease, etc.). |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 627 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 8,000 h |
|
Servicing the 627 beyond the schedule
Predictive Maintenance & Fluid Analysis
No onboard diagnostics or condition-monitoring sensors exist on this machine. Predictive care means scheduled oil sampling from both D333T engines, the front 8-speed and rear 4-speed torque-converter transmissions, and the hydraulic tank, pulled at set hour intervals and read for metal content before wear turns into failure. Pair sample results with hands-on inspection: magnetic drain plugs checked for swarf, coolant tested with strips, and a listen/feel check of both power trains, since the front and rear units age differently under push-pull work.
Corrective & Common Repairs
Front-to-rear power-train mismatch is the signature 627 complaint: watch the synchronization warning light and toggle switch, and chase any speed mismatch back to clutch wear in the front 8-speed or rear 4-speed torque-converter unit before it loads up the drawbar. Expect recurring work on bowl, apron, and ejector hydraulic cylinder seals from constant cycling, mechanical injection-pump and flyweight governor drift needing recalibration on both D333T engines, and 29.5-29 tire wear driven by combined twin-engine torque. Cushion-hitch nitrogen/oil cylinders lose charge over time and need recharging.
Overhaul & Rebuild Points
The rear engine and transmission were engineered to unbolt as one module, cutting downtime for major repair versus pulling components piecemeal. Budget top-end overhaul on each D333T separately - duty cycle differs front to rear, and the rear unit often shows turbocharger, injector, and liner wear first. Rebuild windows also cover the front 8-speed powershift clutch packs, the rear 4-speed torque-converter unit, differential and final-drive gearing, and a full reseal of the bowl-lift, apron, and ejector cylinders.
Seasonal & Environment Servicing
Twin engines mean twin cold-weather starting problems: check both 24V charging circuits and batteries before winter, and confirm any starting aids fitted to each engine. Test coolant protection on both radiators separately, since the tractor and scraper cooling systems are not linked. In dusty cut-and-fill work, service both engines' air-cleaner elements more often than the calendar interval calls for, and step up grease-fitting frequency on hitch, steering, and bowl pivots when working wet or abrasive ground.
627 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 1P-2299 | Filter As-Fuel | Fuel system service | Check fitment → |
| 5S-9665 | Fuel Filter | Fuel system service | Check fitment → |
| 4N-5121 | Primary Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
627 attachments & work tools
Work-tool scope for this machine type
The 627 is a twin-powered open-bowl wheel tractor-scraper, not a loader or dozer, so it does not take interchangeable front work tools like buckets or forks. Its "attachments" are the bowl cutting edges, the tandem-loading hitch, and the tractor-to-bowl coupling rather than a quick-coupler tool line.
Bowl cutting edges (GET)
The bowl floor carries bolt-on sectional cutting edges that are reversible end-for-end to double wear life before replacement. A center "stinger" section sits slightly forward of the side sections for ground penetration and even material flow into the bowl; edge stock ranges from standard to abrasion-resistant grades depending on dig conditions, varies by configuration/series.
Push-Pull hitch arrangement
A hydraulically actuated bail and cushioned push plate bolt to the front of the tractor and mate to a hook on the rear of a second scraper's bowl, letting two machines combine power on one cutting edge for fast loading in tough or abrasive material. The bail draws off the tractor's own hydraulic system, so it needs no separate power pack, and both machines in the pair must be push-pull-equipped.
Cushion hitch (gooseneck coupling)
A parallel-link gooseneck fitted with a nitrogen-over-oil shock cylinder joins the tractor to the scraper bowl, damping bounce and shock load from rough haul roads. This became standard running production early in the model's build and is the structural coupling between the two machine halves rather than a swappable tool.
Alternate loading configuration
Where a paired push-pull hitch is not used, open-bowl scrapers of this size class can instead be loaded by a separate track-type tractor pushing against the scraper's rear bumper. No dedicated push block or ripper attachment mounts to the 627 tractor itself; ripping of hard material, if needed, is done by a separate dozer ahead of the scraper pass.
Tire and rim fitment
Standard fitment for this model was a rock-service rib-tread tire sized 29.5-29 on a heavy multi-ply rating. Tire size and ply moved up on later production and successor series, so confirm exact size against the machine's build serial before ordering.
Operator guarding
A ROPS/FOPS-rated cab or canopy was offered as factory operator protection for this scraper class. Whether it shipped standard or optional shifted as rollover/falling-object regulations evolved during the model's production run, so verify canopy type against the specific serial and build date with your dealer.
All 627 assemblies by section
Every catalogued assembly group for the Caterpillar 627. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Central Structure
Camshaft (2p6202 N/S)
| 2P***02 | Camshaft Group-Single; Single Camshaft Group | 1 |
4n5163 Cylinder Block Cover Group
| 4N***63 | Cover Group; Cylinder Block Cover Group | 1 |
Cylinder Block Cover (2p6256 N/S)--Type 1
| 2P***56 | Cover Group; Cylinder Block Cover Group | 1 |
Cylinder Block Cover (2p6256 N/S)--Type 2
| 2P***56 | Cover Group; Cylinder Block Cover Group | 1 |
Cylinder Block Cover (4n5164 N/S)
| 4N***64 | Cover Group-Cylinder Block; Cylinder Block Cover Group | 1 |
Cylinder Block And Cover (2p6517 N/S)--Type 1
| 2P***17 | Cover Group-Cylinder Block; Cylinder Block Covers Group | 1 |
Cylinder Block Cover (2p6517 N/S)--Type 2
| 2P***17 | Cover Group-Cylinder Block; Cylinder Block Covers Group | 1 |
Cylinder Block Cover (4n8675 N/S)
| 4N***75 | Cover Group-Cylinder Block | 1 |
4n7693 Crankshaft Assembly--Field Replacement
| 4N***93 | Crankshaft As | 1 |
9s3057 Crankshaft Assembly--Field Replacement
| 9S***57 | Crankshaft Assembly | 1 |
Crankshaft Bearings And Thrust Plate Group
| 4S***81 | Bearing (.010 In. Undersize); Bearing (0.25 mm Undersize) | 7 |
| 4S***83 | Bearing (.020 Undersize); Bearing (.020 Undersize) | 7 |
| 4S***85 | Bearing (.030 In. Undersize); Bearing (0.76 mm Undersize) | 7 |
Crankshaft (2p6220 N/S)
| 2P***20 | Crankshaft Group | 1 |
2p6220 Crankshaft Group--Type 2
| 2P***20 | Crankshaft Group | 1 |
Crankshaft (2p6222 N/S)
| 2P***22 | Crankshaft Group; Crankshaft Group | 1 |
Crankshaft Seal (2p7309 N/S)
| 2P***09 | Crankshaft Seal | 1 |
6n221 Crankshaft Seal Group
| 6N***21 | Crankshaft Seal Group | 1 |
Crankshaft Seal (4n5028 N/S)
| 4N***28 | Crankshaft Seal Group | 1 |
2p8776 Cylinder Block Assembly
| 2P***76 | Cylinder Block As | 1 |
Cylinder Block Cover (2p6558 N/S)
| 2P***58 | Cylinder Block Cover | 1 |
Cylinder Block (2p6558 N/S)
| 2P***58 | Cylinder Block Cover | 1 |
2p6560 Cylinder Block Group
| 2P***60 | Cylinder Block Group; Cylinder Block Group | 1 |
Connecting Rod And Piston (2p6272 N/S)--6 Required
| 2P***72 | Piston & Rod Group | 1 |
Connecting Rod And Piston (9s8912 N/S)--6 Required
| 9S***12 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
Connecting Rod And Piston (4n4028 N/S)--6 Required
| 4N***28 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
2p6223 Crankshaft Seal Group
| 2P***23 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
Crankshaft Seal (6n220 N/S)
| 6N***20 | Seal Group-Crankshaft | 1 |
2p6224 Crankshaft Seal Group
| 2P***24 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
Crankshaft Seal (2p7308 N/S)
| 2P***08 | Seal Group-Crankshaft | 1 |
2p6226 Crankshaft Seal Group
| 2P***26 | Seal Group-Crankshaft; Seal Group-Crankshaft | 1 |
2p6483 Crankshaft Seal Group
| 2P***83 | Seal Group-Crankshaft | 1 |
Cooling System
2p6215 Engine Oil Cooler Group
| 2P***15 | Cooler Group-Engine Oil; Oil Cooler Group Engine | 1 |
Engine Oil Cooler (2p7738 N/S)
| 2P***38 | Cooler Group-Engine Oil; Engine Oil Cooler Group | 1 |
Transmission Oil Cooler (2p6510 N/S)
| 2P***10 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
Transmission Oil Cooler (2p6508 N/S)
| 2P***08 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
Transmission Oil Cooler (2p6515 N/S)
| 2P***15 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
Transmission Oil Cooler (2p7736 N/S)
| 2P***36 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
Engine Oil Cooler (4n3719 N/S)
| 4N***19 | Engine Oil Cooler | 1 |
Housing And Regulator (2p8173 N/S)
| 2P***73 | Housing & Regulator Group; Regulator And Housing Group | 1 |
Housing And Regulator (2p8177 N/S)
| 2P***77 | Housing & Regulator Group | 1 |
Housing And Regulator (2p8174 N/S)
| 2P***74 | Housing & Regulator Group; Housing And Regulator Group | 1 |
Housing And Regulator (2p8170 N/S)
| 2P***70 | Housing & Regulator Group | 1 |
Housing And Regulator (2p8171 N/S)
| 2P***71 | Housing & Regulator Group; Housing And Regulator Group | 1 |
Housing And Regulator (2p8176 N/S)
| 2P***76 | Housing & Regulator Group | 1 |
Housing And Regulator (3n3271 N/S)
| 3N***71 | Housing & Regulator Group; Housing And Regulator Group | 1 |
Housing And Regulator Gp(2p8175 N/S)
| 2P***75 | Housing & Regulator Group; Regulator And Housing Group | 1 |
Housing And Regulator (2p8172 N/S)
| 2P***72 | Housing & Regulator Group; Regulator And Housing Group | 1 |
Housing And Regulator (2p8178 N/S)
| 2P***78 | Housing And Regulator; Housing And Regulator Group | 1 |
Housing And Regulator (4n3712 N/S)
| 4N***12 | Housing And Regulator | 1 |
2p7728 Water Lines Group--Elbow
| 2P***28 | Lines Group-Water; Water Lines Group (Elbow) | 1 |
Water Lines (2p7728 N/S)--Elbow
| 2P***28 | Lines Group-Water; Water Lines Group (Elbow) | 1 |
2p7740 Water Lines Group--Elbow
| 2P***40 | Lines Group-Water; Water Lines Group--Elbow | 1 |
2p7741 Water Lines Group--Pipe
| 2P***41 | Lines Group-Water; Water Lines Group-- Pipe | 1 |
Water Lines (2p7730 N/S)
| 2P***30 | Lines Group-Water; Water Lines Group | 1 |
2p6188 Water Lines Group
| 2P***88 | Lines Group-Water; Water Lines Group | 1 |
2p661 Water Pump Group
| 2P***61 | Pump Group-Water; Water Pump Group | 1 |
2p662 Water Pump Group
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
Transmission Oil Cooler (4n9068 N/S)
| 4N***68 | Transmission Oil Cooler | 1 |
Transmission Oil Cooler (4n6646 N/S)
| 4N***46 | Transmission Oil Cooler Group; Oil Cooler Group Transmission | 1 |
4n6646 Transmission Oil Cooler Group
| 4N***46 | Transmission Oil Cooler Group; Oil Cooler Group Transmission | 1 |
Electrical System
2p1204 Alternator Group--24 Volt, 19 Ampere
| 2P***04 | Alternator Group | 1 |
Alternator (4n5090 N/S)--24 Volt, 19 Ampere
| 4N***90 | Alternator Group-Charging | 1 |
5s9088 Alternator Assembly--24 Volt, 50 Ampere--Part 2 Of 2
| 5S***88 | Alternator Group-Charging | 1 |
2p7836 Alternator Group--24 Volt--19 Ampere
| 2P***36 | Alternator Group-Charging; Charging Alternator Group | 1 |
2p7836 Alternator Group--24 Volt, 19 Ampere
| 2P***36 | Alternator Group-Charging; Charging Alternator Group | 1 |
Alternator (2p7835 N/S)--24 Volt--50 Ampere
| 2P***35 | Alternator Group-Charging | 1 |
5s9088 Alternator Assembly--24 Volt, 50 Ampere--Part 1 Of 2
| 5S***88 | Alternator Group-Charging | 1 |
2p6162 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2
| 2P***62 | Electric Starting Motor Group | 1 |
4n3180 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 2
| 4N***80 | Electric Starting Motor Group | 1 |
4n3180 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 2
| 4N***80 | Electric Starting Motor Group | 1 |
2p6162 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
| 2P***62 | Electric Starting Motor Group | 1 |
5s8501 Glow Plug Group
| 5S***01 | Glow Plug Group; Glow Plug And Wiring Group | 1 |
Solenoid Shut-Off (7s9480 N/S)--24 Volt
| 7S***80 | Shut-Off Group; Solenoid Shut-Off Group | 1 |
9s7976 Solenoid Switch Assembly
| 9S***76 | Solenoid As | 1 |
Electric Starting Motor (7s4090 N/S)--24 Volt
| 7S***90 | Starting Motor Group-Electric | 1 |
Electric Starting Motor (7s5410 N/S)--24 Volt
| 7S***10 | Starting Motor Group-Electric; Electric Starting Motor Group | 1 |
7s3622 Electric Starting Motor Group--24 Volt--Type 2
| 7S***22 | Starting Motor Group-Electric; Electric Starting Motor Group | 1 |
3p6 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
| 3P***06 | Starting Motor Group-Electric; Electric Starting Motor Group-Prestolite | 1 |
2p2502 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 2
| 2P***02 | Starting Motor Group-Electric | 1 |
2p2502 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 2
| 2P***02 | Starting Motor Group-Electric | 1 |
4n7752 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2
| 4N***52 | Starting Motor Group-Electric; Electric Starting Motor Group --Prestolite | 1 |
3p6 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2
| 3P***06 | Starting Motor Group-Electric; Electric Starting Motor Group-Prestolite | 1 |
4n3182 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 3
| 4N***82 | Starting Motor Group-Electric; Electric Starting Motor Group-- Delco-Remy | 1 |
4n3182 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 3 Of 3
| 4N***82 | Starting Motor Group-Electric; Electric Starting Motor Group-- Delco-Remy | 1 |
4n7752 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
| 4N***52 | Starting Motor Group-Electric; Electric Starting Motor Group --Prestolite | 1 |
4n3182 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 3
| 4N***82 | Starting Motor Group-Electric; Electric Starting Motor Group-- Delco-Remy | 1 |
7s3622 Electric Starting Motor Group--24 Volt--Type 1
| 7S***22 | Starting Motor Group-Electric; Electric Starting Motor Group | 1 |
1p9181 Solenoid Switch Assembly
| 1P***81 | Switch As-Solenoid | 1 |
6n5123 Solenoid Switch Assembly--24 Volt
| 6N***23 | Switch As-Solenoid | 1 |
4n8985 Coolant Flow Switch Group
| 4N***85 | Switch Group | 1 |
Engine Arrangement
8s3874 Arrangement
| 2P***90 | Engine Ar | 1 |
| 2P***62 | Normalizing Arrangement; (See 3306 Engine 3n1 To 3n24132 Inclusive) | 1 |
| 8S***74 | Arrangement | 1 |
8s3875 Arrangement
| 2P***91 | Engine Ar | 1 |
| 2P***62 | Normalizing Arrangement; (See 3306 Engine 3n1 To 3n24132 Inclusive) | 1 |
| 8S***75 | Arrangement | 1 |
4n7373 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7363 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
4n7372 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n3571 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
4n7365 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7366 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7364 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
4n7361 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
2p6800 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6802 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6791 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6790 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6804 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6806 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
2p6799 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6788 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***74 | Torque Control | 1 |
2p6798 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
4n4993 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
2p6797 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6807 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
6n0486 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
2p6794 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6795 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6793 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
4n4463 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6796 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6812 Engine Ar
| 1P***45 | Engine Decelerator Control | 1 |
| 1P***46 | Fuel Pump Housing And Governor | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
4n4439 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***61 | Pump Group-Water; Water Pump Group | 1 |
2p6792 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6810 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
4n6521 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6803 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***80 | Turbocharger | 1 |
6n0482 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
6n0488 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
2p6809 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6805 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
2p6811 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
6n0484 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7367 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
2p6789 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***74 | Torque Control | 1 |
2p6801 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
2p6808 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
4n4994 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 2P***62 | Pump Group-Water; Water Pump Group | 1 |
4n7374 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n5359 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
3p0075 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***52 | Turbocharger Group | 1 |
2p9637 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***52 | Turbocharger Group | 1 |
4n8132 Engine Arrangement
| 2P***88 | Engine Ar | 1 |
| 4N***36 | Refrigerant Compressor Arrangement | 1 |
| 4N***61 | Basic Engine Arrangement | 1 |
2p8947 Arrangement
| 2P***04 | Engine Ar | 1 |
| 2P***43 | Trunnion Group | 1 |
| 2P***47 | Engine Arrangement | 1 |
4n7377 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
1p32 Arrangement
| 1P***32 | Engine Arrangement | 1 |
| 2P***93 | Engine Ar | 1 |
| 2P***73 | Normalizing Arrangement; Normalizing Arrangement Engine Parts | 1 |
4n7371 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7368 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7376 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
4n7370 Engine Ar
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
1p9587 Engine Ar
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
| 1P***44 | Breather Group | 1 |
| 1P***81 | Flywheel Group; Flywheel Group | 1 |
2p9562 Normalizing Arrangement
| 2P***22 | Crankshaft Group; Crankshaft Group | 1 |
| 2P***73 | Manifold Group-Exhaust | 1 |
| 2P***46 | Air Lines Group | 1 |
2p9573 Normalizing Arrangement
| 2P***22 | Crankshaft Group; Crankshaft Group | 1 |
| 2P***24 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
| 2P***73 | Manifold Group-Exhaust | 1 |
This Chart Shows Various Vehicles Using 3306 Vehicular Engine Serial No. 3n1 To 3n24132 Followed By
Front Structure
Belt Tightener (2p9558 N/S)
| 2P***58 | Belt Tightener Group | 1 |
4n6050 Front Housing Cover Group
| 4N***50 | Cover Group | 1 |
4n5162 Front Housing Cover Group
| 4N***62 | Cover Group-Front Housing; Front Housing Cover Group | 1 |
Front Housing Cover (2p6528 N/S)
| 2P***28 | Cover Group-Front Housing; Front Housing Cover Group | 1 |
Front Housing Cover (2p6529 N/S)
| 2P***29 | Cover Group-Front Housing; Front Housing Cover Group | 1 |
Damper (3p17 N/S)
| 3P***17 | Damper | 1 |
Damper (2p7838 N/S)
| 2P***38 | Damper Group; Damper Group | 1 |
Damper (4n3239 N/S)
| 4N***39 | Damper Group; Damper Group | 1 |
Damper (4n4365 N/S)
| 4N***65 | Damper Group | 1 |
Damper (4n3238 N/S)
| 4N***38 | Damper Group; Damper Group | 1 |
Damper (2p2503 N/S)
| 2P***03 | Damper Group-Pulley & Cshft; Crankshaft And Pulley Damper Group | 1 |
Fan Drive (4n8537 N/S)
| 4N***37 | Drive Group-Fan; Fan Drive Group | 1 |
2p7831 Fan Drive Group
| 2P***31 | Drive Group-Fan; Fan Drive Group | 1 |
Support (2p7744 N/S)
| 2P***44 | Engine Support Group | 1 |
Support (4n3506 N/S)
| 4N***06 | Engine Support Group | 1 |
Fan Drive (3p18 N/S)
| 3P***18 | Fan Drive | 1 |
2p6498 Front Housing Fastener Group
| 2P***98 | Fastener Group-Front Housing; Front Housing Fastener Group | 1 |
4n5122 Front Housing Fastener Group
| 4N***22 | Fastener Group-Front Housing; Front Housing Fastener Group | 1 |
Front Gear (2p7782 N/S)--Timing
| 2P***82 | Front Gear Group | 1 |
2p6211 Front Gear Group--Timing
| 2P***11 | Front Gear Group; Front Gear Group-Timing | 1 |
Front Housing (2p6153 N/S)
| 2P***53 | Front Housing; Front Housing Group | 1 |
Front Gear (4n3271 N/S)--Timing
| 4N***71 | Gear Group-Front Timing; Front Timing Gear Group | 1 |
2p9642 Front Gear Group--Timing
| 2P***42 | Gear Group-Front Timing | 1 |
Front Housing (2p9641 N/S)
| 2P***41 | Housing Group-Front; Front Housing Group | 1 |
Pulley (2p8600 N/S)
| 2P***00 | Pulley | 1 |
Pulley (4n6048 N/S)
| 4N***48 | Pulley; Pulley Group | 1 |
Pulley (4n9014 N/S)
| 4N***14 | Pulley Group | 1 |
Pulley (2p8158 N/S)
| 2P***58 | Pulley Group; Fan Drive Pulley Group | 1 |
Pulley (2p8217 N/S)
| 2P***17 | Pulley Group | 1 |
Pulley (2p8213 N/S)
| 2P***13 | Pulley Group; Pulley Group (Crankshaft & Fan Drive) | 1 |
Pulley (3p44 N/S)
| 3P***44 | Pulley Group | 1 |
Pulley (2p8595 N/S)
| 2P***95 | Pulley Group | 1 |
Pulley (2p8601 N/S)
| 2P***01 | Pulley Group-Belt | 1 |
Pulley (4n3562 N/S)
| 4N***62 | Pulley Group-Crankshaft; Crankshaft Pulley Group | 1 |
Pulley (2p8599 N/S)
| 2P***99 | Pulley Group-Crankshaft | 1 |
Pulley (2p8602 N/S)
| 2P***02 | Pulley Group-Fan Drive | 1 |
Support (2p7746 N/S)
| 2P***46 | Support | 1 |
Support (2p7750 N/S)
| 2P***50 | Support | 1 |
Support (2p8856 N/S)
| 2P***56 | Support Group; Engine Support Group | 1 |
Support (2p7743 N/S)
| 2P***43 | Support Group | 1 |
Support (2p7745 N/S)
| 2P***45 | Support Group-Engine; Engine Support Group | 1 |
Support (4n6051 N/S)
| 4N***51 | Support Group-Engine; Engine Support Group | 1 |
Support (2p7752 N/S)
| 2P***52 | Support Group-Engine; Engine Support Group | 1 |
Support (2p7748 N/S)
| 2P***48 | Support Group-Engine; Engine Support Group | 1 |
Support (2p7749 N/S)
| 2P***49 | Support Group-Engine; Engine Support Group | 1 |
Support (1p9586 N/S)
| 1P***86 | Support Group-Engine; Engine Support Group | 1 |
Support (2p7747 N/S)
| 2P***47 | Support Group-Engine; Engine Support Group | 1 |
Support (2p7751 N/S)
| 2P***51 | Support Group-Engine; Engine Support Group | 1 |
Support (2p7753 N/S)
| 2P***53 | Support Group-Engine; Front Engine Support Group | 1 |
2p8943 Trunnion Group
| 2P***43 | Trunnion Group | 1 |
2p6246 Trunnion Group
| 2P***46 | Trunnion Group-Engine | 1 |
Fuel System And Governor
6n311 Governor And Fuel Injection Pump Group
| 6N***11 | Governor And Fuel Injection Pump Group | 1 |
6n297 Governor And Fuel Injection Pump Group
| 6N***97 | Governor And Fuel Injection Pump Group | 1 |
6n308 Governor And Fuel Injection Pump Group
| 6N***08 | Governor And Fuel Injection Pump Group | 1 |
6n301 Governor And Fuel Injection Pump Group
| 6N***01 | Governor And Fuel Injection Pump Group | 1 |
Governor And Fuel Injection Pump (6n1241 N/S)--Type 1
| 6N***41 | Governor And Fuel Injection Pump Group | 1 |
Governor And Fuel Injection Pump (6n1241 N/S)--Type 2
| 6N***41 | Governor And Fuel Injection Pump Group | 1 |
6n304 Governor And Fuel Injection Pump Group
| 6N***04 | Governor And Fuel Injection Pump Group | 1 |
6n295 Governor And Fuel Injection Pump Group
| 6N***95 | Governor And Fuel Injection Pump Group; Governor And Fuel Injection Pump Group | 1 |
Governor And Fuel Injection Pump (7s6740 N/S)
| 7S***40 | Governor And Fuel Injection Pump Group | 1 |
6n312 Governor And Fuel Injection Pump Group
| 6N***12 | Governor And Fuel Injection Pump Group | 1 |
6n296 Governor And Fuel Injection Pump Group
| 6N***96 | Governor And Fuel Injection Pump Group | 1 |
6n293 Governor And Fuel Injection Pump Group
| 6N***93 | Governor And Fuel Injection Pump Group | 1 |
6n300 Governor And Fuel Injection Pump Group
| 6N***00 | Governor And Fuel Injection Pump Group; Governor And Fuel Injection Pump Group | 1 |
6n303 Governor And Fuel Injection Pump Group
| 6N***03 | Governor And Fuel Injection Pump Group | 1 |
6n298 Governor And Fuel Injection Pump Group
| 6N***98 | Governor And Fuel Injection Pump Group | 1 |
6n306 Governor And Fuel Injection Pump Group
| 6N***06 | Governor And Fuel Injection Pump Group | 1 |
Tachometer Drive (6n1399 N/S)
| 6N***99 | Tachometer Drive Group | 1 |
4n4751 Tachometer Drive Group
| 4N***51 | Tachometer Drive Group | 1 |
Accessory Drive (2p7712 N/S)
| 2P***12 | Accessory Drive | 1 |
Accessory Drive (3n3287 N/S)
| 3N***87 | Accessory Drive Group | 1 |
9n867 Fuel Ratio Control Group
| 9N***67 | Control Group-Fuel Ratio | 1 |
6n4654 Fuel Ratio Control Group
| 6N***54 | Control Group-Fuel Ratio | 1 |
Fuel Ratio Control (6n3047 N/S)
| 6N***47 | Control Group-Fuel Ratio | 1 |
Torque Control (4n9240 N/S)
| 4N***40 | Control Group-Torque | 1 |
6n3630 Torque Control Group
| 6N***30 | Control Group-Torque | 1 |
Torque Control (6n3586 N/S)
| 6N***86 | Control Group-Torque | 1 |
6n3609 Torque Control Group
| 6N***09 | Control Group-Torque | 1 |
Governor Cover (4n4510 N/S)
| 4N***10 | Cover Group-Governor; Governor Cover Group | 1 |
9s4488 Tachometer Drive Group
| 9S***88 | Drive Group-Meter | 1 |
Tachometer Drive (4n7249 N/S)
| 4N***49 | Drive Group-Tachometer | 1 |
Engine Decelerator Control (1p45 N/S)
| 1P***45 | Engine Decelerator Control | 1 |
Engine Decelerator Control (6n1239 N/S)
| 6N***39 | Engine Decelerator Control Group | 1 |
7l261 Fuel Filter And Priming Pump Group
| 7L***61 | Filter & Prm Group | 1 |
1p2299 Fuel Filter Assembly
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
4n1981 Fuel Filter Group
| 4N***81 | Filter Group-Fuel | 1 |
4n3303 Fuel Filter Group
| 4N***03 | Filter Group-Fuel; Fuel Filter Group | 1 |
Fuel Filter (4n9882 N/S)
| 4N***82 | Filter Group-Fuel; Fuel Filter Group | 1 |
8h4681 Primary Fuel Filter Group
| 8H***81 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
Primary Fuel Filter (1p6835 N/S)
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
Fuel Filter (6n1750 N/S)
| 6N***50 | Fuel Filter; Fuel Filter Group | 1 |
Fuel Filter (5s9665 N/S)
| 5S***65 | Fuel Filter | 1 |
Fuel Filter (4n3599 N/S)
| 4N***99 | Fuel Filter Group | 1 |
Fuel Filter (8s9311 N/S)
| 8S***11 | Fuel Filter Group | 1 |
5s9666 Fuel Filter Group
| 5S***66 | Fuel Filter Group | 1 |
Fuel Filter Lines (6n1210 N/S)
| 6N***10 | Fuel Filter Lines; Fuel Filter Lines Group | 1 |
Fuel Injection Lines (2p7456 N/S)
| 2P***56 | Fuel Injection Lines | 1 |
Fuel Injection Lines (4n8007 N/S)
| 4N***07 | Fuel Injection Lines | 1 |
Fuel Injection Lines (6n1057 N/S)
| 6N***57 | Fuel Injection Lines; Fuel Injection Lines Group | 1 |
Fuel Injection Lines (2p7459 N/S)
| 2P***59 | Fuel Injection Lines | 1 |
Fuel Injection Lines (4n3376 N/S)
| 4N***76 | Fuel Injection Lines; Fuel Injection Lines Group | 1 |
Fuel Injection Lines (2p7457 N/S)
| 2P***57 | Fuel Injection Lines | 1 |
Fuel Injection Lines (2p7458 N/S)
| 2P***58 | Fuel Injection Lines | 1 |
Fuel Injection Lines (6n1637 N/S)
| 6N***37 | Fuel Injection Lines Group | 1 |
Fuel Injection Lines (4n9947 N/S)
| 4N***47 | Fuel Injection Lines Group | 1 |
Fuel Injection Lines (6n572 N/S)
| 6N***72 | Fuel Injection Lines Group; Fuel Injection Lines Group | 1 |
Fuel Injection Lines (4n3649 N/S)
| 4N***49 | Fuel Injection Lines Group | 1 |
Fuel Injection Lines (4n6033 N/S)
| 4N***33 | Fuel Injection Lines Group | 1 |
Fuel Priming Pump (5s2100 N/S)
| 5S***00 | Fuel Priming Pump | 1 |
Fuel Priming Pump (2p7709 N/S)
| 2P***09 | Fuel Priming Pump | 1 |
7s1251 Fuel Priming Pump Group--Type 2
| 7S***51 | Fuel Priming Pump Group | 1 |
7s1251 Fuel Priming Pump Group--Type 1
| 7S***51 | Fuel Priming Pump Group | 1 |
Governor And Fuel Injection Pump (5s9571 N/S)
| 5S***71 | Fuel Pump Housing And Governor | 1 |
Governor And Fuel Injection Pump (5s9075 N/S)
| 5S***75 | Fuel Pump Housing And Governor | 1 |
Governor And Fuel Injection Pump (7s9337 N/S)
| 7S***37 | Fuel Pump Housing And Governor | 1 |
Governor And Fuel Injection Pump (9s5785 N/S)
| 9S***85 | Fuel Pump Housing And Governor | 1 |
Governor And Fuel Injection Pump (8s110 N/S)
| 8S***10 | Fuel Pump Housing And Governor | 1 |
Governor And Fuel Injection Pump (9s5979 N/S)
| 9S***79 | Fuel Pump Housing And Governor | 1 |
Governor And Fuel Injection Pump (1p46 N/S)
| 1P***46 | Fuel Pump Housing And Governor | 1 |
9s2296 Governor And Fuel Injection Pump Group
| 9S***96 | Fuel Pump Housing And Governor Group | 1 |
5s9076 Fuel Pump Housing Group
| 5S***76 | Fuel Pump Housing Group | 1 |
Fuel Ratio Control (8s8951 N/S)
| 8S***51 | Fuel Ratio Control; Air Fuel Ratio Control Group | 1 |
Fuel Ratio Control (4n5223 N/S)
| 4N***23 | Fuel Ratio Control | 1 |
4n4900 Fuel Ratio Control Group
| 4N***00 | Fuel Ratio Control Group | 1 |
4n5063 Fuel Ratio Control Group
| 4N***63 | Fuel Ratio Control Group | 1 |
Fuel Transfer Pump (2p6859 N/S)
| 2P***59 | Fuel Transfer Pump | 1 |
4n4878 Fuel Transfer Pump Group (7l247 N/S)
| 4N***78 | Fuel Transfer Pump Group | 1 |
7s5445 Fuel Transfer Pump Group (7s5108 N/S)
| 7S***45 | Fuel Transfer Pump Group | 1 |
7l543 Fuel Transfer Pump Group (7l247 N/S)
| 7L***43 | Fuel Transfer Pump Group | 1 |
4n4873 Fuel Transfer Pump Group (7s5108 N/S)
| 4N***73 | Fuel Transfer Pump Group | 1 |
7s4430 Fuel Transfer Pump Group
| 7S***30 | Fuel Transfer Pump Group | 1 |
4n1836 Governor And Fuel Injection Pump Group--Part 2 Of 4
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 1 Of 4--Type 3
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (6n268 N/S)--Part 1 Of 2--Type 1
| 6N***68 | Gov & Fuel Inj Pump Group | 1 |
6n260 Governor And Fuel Injection Pump Group--Type 2
| 6N***60 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 3 Of 4--Type 3
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
4n1836 Governor And Fuel Injection Pump Group--Part 4 Of 4
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 1 Of 4--Type 2
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
6n268 Governor And Fuel Injection Pump Group--Part 2 Of 2--Type 2
| 6N***68 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 2 Of 4--Type 1
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (6n2840 N/S) -- Type 1
| 6N***40 | Gov & Fuel Inj Pump Group; Governor & Fuel Injection Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 2 Of 4--Type 3
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
6n299 Governor And Fuel Injection Pump Group
| 6N***99 | Gov & Fuel Inj Pump Group; Governor And Fuel Injection Pump Group | 1 |
6n305 Governor And Fuel Injection Pump Group
| 6N***05 | Gov & Fuel Inj Pump Group; Governor & Fuel Injection Pump Group | 1 |
6n268 Governor And Fuel Injection Pump Group--Part 1 Of 2--Type 2
| 6N***68 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (6n260 N/S)--Type 1
| 6N***60 | Gov & Fuel Inj Pump Group | 1 |
6n3472 Governor And Fuel Injection Pump Group
| 6N***72 | Gov & Fuel Inj Pump Group | 1 |
6n261 Governor And Fuel Injection Pump Group--Type 2
| 6N***61 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 4 Of 4--Type 3
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 3 Of 4--Type 1
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 4 Of 4--Type 1
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
4n1836 Governor And Fuel Injection Pump Group--Part 1 Of 4
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
4n1836 Governor And Fuel Injection Pump Group--Part 3 Of 4
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (6n268 N/S)--Part 2 Of 2--Type 1
| 6N***68 | Gov & Fuel Inj Pump Group | 1 |
6n268 Governor And Fuel Injection Pump Group--Part 2 Of 2--Type 3
| 6N***68 | Gov & Fuel Inj Pump Group | 1 |
6n2840 Governor And Fuel Injection Pump Group--Type 2
| 6N***40 | Gov & Fuel Inj Pump Group; Governor & Fuel Injection Pump Group | 1 |
6n263 Governor And Fuel Injection Pump Group--Type 1
| 6N***63 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 2 Of 4--Type 2
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 1 Of 4--Type 1
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 3 Of 4--Type 2
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
6n263 Governor And Fuel Injection Pump Group--Type 3
| 6N***63 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (6n261 N/S) -- Type 1
| 6N***61 | Gov & Fuel Inj Pump Group | 1 |
6n263 Governor And Fuel Injection Pump Group--Type 2
| 6N***63 | Gov & Fuel Inj Pump Group | 1 |
Governor And Fuel Injection Pump (4n1836 N/S)--Part 4 Of 4--Type 2
| 4N***36 | Gov & Fuel Inj Pump Group | 1 |
6n294 Governor And Fuel Injection Pump Group
| 6N***94 | Gov & Fuel Inj Pump Group; Governor And Fuel Injection Pump Group | 1 |
6n268 Governor And Fuel Injection Pump Group--Part 1 Of 2--Type 3
| 6N***68 | Gov & Fuel Inj Pump Group | 1 |
4n2844 Governor And Fuel Injection Pump Group
| 4N***44 | Gov & Fuel Inj Pump Group | 1 |
Governor And Decelerator Control (9s7053 N/S)
| 9S***53 | Governor And Decelerator Control | 1 |
Governor And Fuel Injection Pump (6n1261 N/S)
| 6N***61 | Governor And Fuel Injection Pump | 1 |
Governor And Fuel Injection Pump (4n4673 N/S)
| 4N***73 | Governor And Fuel Injection Pump | 1 |
Governor And Fuel Injection Pump (6n256 N/S)
| 6N***56 | Governor And Fuel Injection Pump | 1 |
8s6536 Governor Group--Part 2 Of 2--Type 1
| 8S***36 | Governor Group | 1 |
7s9333 Governor Group--Part 2 Of 2--Type 1
| 7S***33 | Governor Group | 1 |
7s9333 Governor Group--Part 1 Of 2--Type 1
| 7S***33 | Governor Group | 1 |
9s6701 Governor Group--Part 2 Of 2--Type 2
| 9S***01 | Governor Group | 1 |
8s6536 Governor Group--Part 2 Of 2--Type 3
| 8S***36 | Governor Group | 1 |
9s5740 Governor Group--Part 2 Of 2--Type 1
| 9S***40 | Governor Group | 1 |
8s6536 Governor Group--Part 1 Of 2--Type 2
| 8S***36 | Governor Group | 1 |
8s9442 Governor Group--Part 1 Of 2--Type 1
| 8S***42 | Governor Group | 1 |
9s6700 Governor Group--Part 1 Of 2--Type 1
| 9S***00 | Governor Group | 1 |
9s6701 Governor Group--Part 1 Of 2--Type 2
| 9S***01 | Governor Group | 1 |
8s9442 Governor Group--Part 2 Of 2--Type 1
| 8S***42 | Governor Group | 1 |
8s6536 Governor Group--Part 1 Of 2--Type 3
| 8S***36 | Governor Group | 1 |
8s9442 Governor Group--Part 1 Of 2--Type 2
| 8S***42 | Governor Group | 1 |
1p47 Governor Group--Part 1 Of 2--Type 1
| 1P***47 | Governor Group | 1 |
7s9332 Governor Group--Part 2 Of 2--Type 1
| 7S***32 | Governor Group | 1 |
7s9332 Governor Group--Part 1 Of 2--Type 2
| 7S***32 | Governor Group | 1 |
9s5740 Governor Group--Part 1 Of 2--Type 2
| 9S***40 | Governor Group | 1 |
1p47 Governor Group--Part 2 Of 2--Type 2
| 1P***47 | Governor Group | 1 |
7s9333 Governor Group--Part 1 Of 2--Type 2
| 7S***33 | Governor Group | 1 |
7s9332 Governor Group--Part 2 Of 2--Type 2
| 7S***32 | Governor Group | 1 |
1p47 Governor Group--Part 1 Of 2--Type 2
| 1P***47 | Governor Group | 1 |
7s9332 Governor Group--Part 1 Of 2--Type 1
| 7S***32 | Governor Group | 1 |
7s9332 Governor Group--Part 1 Of 2--Type 3
| 7S***32 | Governor Group | 1 |
8s9442 Governor Group--Part 2 Of 2--Type 2
| 8S***42 | Governor Group | 1 |
9s6701 Governor Group--Part 1 Of 2--Type 1
| 9S***01 | Governor Group | 1 |
1p47 Governor Group--Part 2 Of 2--Type 1
| 1P***47 | Governor Group | 1 |
8s6536 Governor Group--Part 2 Of 2--Type 2
| 8S***36 | Governor Group | 1 |
9s5740 Governor Group--Part 1 Of 2--Type 1
| 9S***40 | Governor Group | 1 |
9s5740 Governor Group--Part 2 Of 2--Type 2
| 9S***40 | Governor Group | 1 |
7s9332 Governor Group--Part 2 Of 2--Type 3
| 7S***32 | Governor Group | 1 |
8s6536 Governor Group--Part 1 Of 2--Type 1
| 8S***36 | Governor Group | 1 |
9s6701 Governor Group--Part 2 Of 2--Type 1
| 9S***01 | Governor Group | 1 |
9s6700 Governor Group--Part 2 Of 2--Type 1
| 9S***00 | Governor Group | 1 |
9s6700 Governor Group--Part 2 Of 2--Type 2
| 9S***00 | Governor Group | 1 |
9s6700 Governor Group--Part 1 Of 2--Type 2
| 9S***00 | Governor Group | 1 |
7s9333 Governor Group--Part 2 Of 2--Type 2
| 7S***33 | Governor Group | 1 |
9s5546 Torque Control Group--Type 2
| 9S***46 | Governor Torque Spring | 1 |
Torque Control (8s5050 N/S)
| 8S***50 | Governor Torque Spring | 1 |
8s6099 Torque Control Group--Type 2
| 8S***99 | Governor Torque Spring | 1 |
Torque Control (9l5382 N/S)
| 9L***82 | Governor Torque Spring | 1 |
Torque Control (8s6099 N/S) - Type 1
| 8S***99 | Governor Torque Spring | 1 |
Torque Control (4n3650 N/S)
| 4N***50 | Governor Torque Spring | 1 |
8s5042 Torque Control Group--Type 2--Field Installation
| 8S***42 | Governor Torque Spring | 1 |
Torque Control (9s9028 N/S)
| 9S***28 | Governor Torque Spring | 1 |
Torque Control (1p5007 N/S)
| 1P***07 | Governor Torque Spring | 1 |
Torque Control (9s5546 N/S) - Type 1
| 9S***46 | Governor Torque Spring | 1 |
Torque Control (8s5042 N/S)--Type 1
| 8S***42 | Governor Torque Spring | 1 |
8l8682 Torque Control Group
| 8L***82 | Governor Torque Spring Group | 1 |
4n8054 Fuel Injection Lines Group
| 4N***54 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
Fuel Injection Lines (2p8916 N/S)
| 2P***16 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
4n3336 Service Meter Group
| 4N***36 | Meter Group-Service; Service Meter Group | 1 |
4n6656 Service Meter Group
| 4N***56 | Meter Group-Service; Service Meter Group | 1 |
Service Meter (6n490 N/S)
| 6N***90 | Meter Group-Service; Service Meter Group | 1 |
Primary Fuel Filter (4n5121 N/S)
| 4N***21 | Primary Fuel Filter | 1 |
9h2256 Pump Assembly
| 9H***56 | Pump Assembly | 1 |
Fuel Priming Pump (4n3287 N/S)
| 4N***87 | Pump Group-Fuel Priming; Pump Group-Fuel Priming | 1 |
Fuel Priming Pump (4n9625 N/S)
| 4N***25 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
Fuel Priming Pump (4n4314 N/S)
| 4N***14 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
7s4429 Fuel Transfer Pump Group
| 7S***29 | Pump Group-Fuel Transfer; Fuel Transfer Pump Group | 1 |
4n4864 Fuel Transfer Pump Group
| 4N***64 | Pump Group-Fuel Transfer | 1 |
Governor And Fuel Injection Pump (4n4016 N/S)
| 4N***16 | Pump Group-Governor &-A | 1 |
Torque Control (9s3312 N/S)
| 9S***12 | Rack Stop Group | 1 |
Service Meter (9s7993 N/S)
| 9S***93 | Service Meter | 1 |
Service Meter (8s6865 N/S)
| 8S***65 | Service Meter | 1 |
Service Meter (8s3688 N/S)
| 8S***88 | Service Meter; Service Meter Group | 1 |
Service Meter (9s8732 N/S)
| 9S***32 | Service Meter | 1 |
Service Meter (9s9978 N/S)
| 9S***78 | Service Meter | 1 |
9s8921 Service Meter Group
| 9S***21 | Service Meter | 1 |
Service Meter (9s5141 N/S)
| 9S***41 | Service Meter | 1 |
Service Meter (9s8923 N/S)
| 9S***23 | Service Meter | 1 |
9s5730 Service Meter And Tachometer Drive Group
| 9S***30 | Service Meter And Tachometer Drive Group | 1 |
Service Meter Drive (9s7127 N/S)
| 9S***27 | Service Meter Drive | 1 |
4n3554 Service Meter Drive Group
| 4N***54 | Service Meter Drive Group | 1 |
4n4026 Service Meter Group
| 4N***26 | Service Meter Group; Service Meter Group | 1 |
Service Meter (4n8064 N/S)
| 4N***64 | Service Meter Group | 1 |
Service Meter (4n3337 N/S)
| 4N***37 | Service Meter Group | 1 |
4n4025 Service Meter Group
| 4N***25 | Service Meter Group | 1 |
9s7128 Service Meter Group
| 9S***28 | Service Meter Group | 1 |
9l9345 Torque Control Group
| 9L***45 | Spring Group-Torque | 1 |
2s9519 Torque Control Group
| 2S***19 | Stop Group-Rack | 1 |
Torque Control (4n283 N/S)
| 4N***83 | Torque Control | 1 |
Torque Control (4n8924 N/S)--Type 1
| 4N***24 | Torque Control | 1 |
Torque Control (4n8924 N/S)--Type 2
| 4N***24 | Torque Control | 1 |
Torque Control (4n9302 N/S)
| 4N***02 | Torque Control | 1 |
1p6474 Torque Control Group--Type 2
| 1P***74 | Torque Control | 1 |
Torque Control (1p6474 N/S)
| 1P***74 | Torque Control | 1 |
Torque Control (6n2922 N/S)
| 6N***22 | Torque Control | 1 |
Torque Control (2p8592 N/S)
| 2P***92 | Torque Control | 1 |
Torque Control (6n509 N/S)
| 6N***09 | Torque Control Group | 1 |
4n9193 Torque Control Group--Type 2
| 4N***93 | Torque Control Group | 1 |
Torque Control (6n534 N/S)
| 6N***34 | Torque Control Group | 1 |
Torque Control (4n9193 N/S) - Type 2
| 4N***93 | Torque Control Group | 1 |
Torque Control (6n453 N/S)
| 6N***53 | Torque Control Group | 1 |
Torque Control (4n9193 N/S)
| 4N***93 | Torque Control Group | 1 |
6n3610 Torque Control Group
| 6N***10 | Torque Control Group | 1 |
Torque Control (6n454 N/S)
| 6N***54 | Torque Control Group | 1 |
Torque Control (6n581 N/S)
| 6N***81 | Torque Control Group | 1 |
Intake And Exhaust System
2p7794 Air Compressor Group
| 2P***94 | Air Compressor Group | 1 |
Air Compressor (2p9614 N/S)
| 2P***14 | Air Compressor Group | 1 |
Air Compressor (2p7801 N/S)
| 2P***01 | Air Compressor Group; Air Compressor Group | 1 |
2p7798 Air Compressor Group
| 2P***98 | Air Compressor Group | 1 |
Air Compressor (2p7795 N/S)
| 2P***95 | Air Compressor Group; Air Compressor Group | 1 |
2p7800 Air Compressor Group
| 2P***00 | Air Compressor Group | 1 |
Air Compressor (2p7798 N/S)
| 2P***98 | Air Compressor Group | 1 |
2p1830 Air Compressor Group
| 2P***30 | Air Compressor Group | 1 |
Air Compressor (2p9613 N/S)
| 2P***13 | Air Compressor Group; Air Compressor Group | 1 |
2p7801 Air Compressor Group
| 2P***01 | Air Compressor Group; Air Compressor Group | 1 |
Air Compressor Lines (2p7799 N/S)
| 2P***99 | Air Compressor Lines; Air Compressor Lines Group | 1 |
Air Lines (4n6071 N/S)
| 4N***71 | Air Lines; Air Lines Group | 1 |
Air Lines (2p6845 N/S)
| 2P***45 | Air Lines | 1 |
Air Lines (2p6842 N/S)
| 2P***42 | Air Lines; Air Lines Group | 1 |
Air Lines (4n3616 N/S)
| 4N***16 | Air Lines | 1 |
2p6852 Air Lines Group
| 2P***52 | Air Lines; Air Lines Group | 1 |
Air Lines (2p6850 N/S)
| 2P***50 | Air Lines Group | 1 |
Air Lines (2p6846 N/S)
| 2P***46 | Air Lines Group | 1 |
Air Lines (2p6851 N/S)
| 2P***51 | Air Lines Group | 1 |
Air Lines (2p8876 N/S)
| 2P***76 | Air Lines Group | 1 |
Air Lines (2p6847 N/S)--Type 1
| 2P***47 | Air Lines Group | 1 |
Air Lines (2p6849 N/S)
| 2P***49 | Air Lines Group; Air Lines Group | 1 |
4n4460 Air Lines Group
| 4N***60 | Air Lines Group | 1 |
Air Lines (2p6848 N/S)
| 2P***48 | Air Lines Group | 1 |
Air Lines (2p6847 N/S)--Type 2
| 2P***47 | Air Lines Group | 1 |
Exhaust Pipe (4n5504 N/S)
| 4N***04 | Exhaust Pipe | 1 |
Exhaust Pipe (2p7352 N/S)
| 2P***52 | Exhaust Pipe Group | 1 |
Exhaust Manifold Fastener (4n9586 N/S)
| 4N***86 | Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group | 1 |
Exhaust Manifold Fastener (2p6534 N/S)
| 2P***34 | Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group | 1 |
Air Lines (2p6838 N/S)
| 2P***38 | Lines Group-Air; Air Lines Group | 1 |
Air Lines (2p6841 N/S)
| 2P***41 | Lines Group-Air; Air Lines Group | 1 |
Air Lines (1p9585 N/S)
| 1P***85 | Lines Group-Air | 1 |
Air Compressor Lines (2p7797 N/S)
| 2P***97 | Lines Group-Air Compressor; Air Compressor Lines Group | 1 |
2p7802 Air Compressor Lines Group
| 2P***02 | Lines Group-Air Compressor; Air Compressor Lines Group | 1 |
Turbocharger Oil Lines (9l5801 N/S)
| 9L***01 | Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group | 1 |
Turbocharger Oil Lines (2p7315 N/S)
| 2P***15 | Lines Group-Turbocharger Oil | 1 |
Turbocharger Oil Lines (4n4625 N/S)
| 4N***25 | Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group | 1 |
4n3333 Turbocharger Oil Lines Group
| 4N***33 | Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group | 1 |
2p6574 Exhaust Manifold Group
| 2P***74 | Manifold Group-Exhaust; Exhaust Manifold Group | 1 |
2p6572 Exhaust Manifold Group
| 2P***72 | Manifold Group-Exhaust; Exhaust Manifold Group | 1 |
Exhaust Manifold (2p6573 N/S)
| 2P***73 | Manifold Group-Exhaust | 1 |
Exhaust Manifold (9l5805 N/S)
| 9L***05 | Manifold Group-Exhaust | 1 |
Exhaust Pipe (2p7351 N/S)
| 2P***51 | Pipe Group-Exhaust; Exhaust Pipe Group | 1 |
1p4280 Turbocharger Group
| 1P***80 | Turbocharger | 1 |
9s8997 Turbocharger Assembly (9s5791 N/S--Type 1)
| 9S***97 | Turbocharger Assembly | 1 |
1p286 Turbocharger Assembly (9s5994 N/S)
| 1P***86 | Turbocharger Assembly | 1 |
8s9234 Turbocharger Assembly (5s9584 N/S)
| 8S***34 | Turbocharger Assembly | 1 |
8s9237 Turbocharger Assembly (7s1701 N/S)
| 8S***37 | Turbocharger Assembly | 1 |
4n9554 Turbocharger Group--Replaced By 4n9618 Shown On Page 171
| 4N***54 | Turbocharger Group | 1 |
8s8198 Turbocharger Assembly (8s8200 N/S)
| 8S***98 | Turbocharger Group | 1 |
7s1701 Turbocharger Group
| 7S***01 | Turbocharger Group | 1 |
Turbocharger (9l5802 N/S)
| 9L***02 | Turbocharger Group; Turbocharger Group | 1 |
8s8039 Turbocharger Assembly
| 8S***39 | Turbocharger Group | 1 |
4n9555 Turbocharger Group (1p9552 N/S)
| 4N***55 | Turbocharger Group | 1 |
4n9541 Turbocharger Assembly (9s5994 N/S)
| 4N***41 | Turbocharger Group | 1 |
1p9373 Turbocharger Group (1p9552 N/S)
| 1P***73 | Turbocharger Group | 1 |
4n9618 Turbocharger Group
| 4N***18 | Turbocharger Group | 1 |
Turbocharger (5s9584 N/S)
| 5S***84 | Turbocharger Group | 1 |
4n9553 Turbocharger Assembly (9s5791 N/S--Type 2)
| 4N***53 | Turbocharger Group | 1 |
9l5345 Turbocharger Group
| 9L***45 | Turbocharger Group | 1 |
Turbocharger Oil Lines (2p7316 N/S)
| 2P***16 | Turbocharger Oil Lines | 1 |
6n2257 Turbocharger Oil Lines Group
| 6N***57 | Turbocharger Oil Lines Group | 1 |
Lower Structure
Oil Pan Fastener (2p6206 N/S)
| 2P***06 | Fastener Group-Oil Pan; Oil Pan Fastener Group | 1 |
Oil Pan Fastener (2p6200 N/S)
| 2P***00 | Fastener Group-Oil Pan; Fastener Gp-Engine Oil Pan | 1 |
Oil Pan Fastener (2p6199 N/S)
| 2P***99 | Fastener Group-Oil Pan; Oil Pan Fastener Group | 1 |
2p6493 Oil Level Gauge Group
| 2P***93 | Gauge Group-Oil Level (Dipstick); -Engine | 1 |
Oil Level Gauge (2p9609 N/S)
| 2P***09 | Gauge Group-Oil Level (Dipstick) | 1 |
Oil Level Gauge (4n6059 N/S)
| 4N***59 | Gauge Group-Oil Level (Dipstick) | 1 |
Oil Level Gauge (2p9559 N/S)
| 2P***59 | Gauge Group-Oil Level (Dipstick) | 1 |
Oil Level Gauge (2p6492 N/S)
| 2P***92 | Oil Level Gauge | 1 |
Oil Pan (2p9647 N/S)
| 2P***47 | Pan Group-Oil; Oil Pan Group | 1 |
Oil Pan (2p6152 N/S)
| 2P***52 | Pan Group-Oil; Oil Pan Group | 1 |
Oil Pan (4n6057 N/S)
| 4N***57 | Pan Group-Oil; Oil Pan Group | 1 |
Oil Pan (2p6174 N/S)
| 2P***74 | Pan Group-Oil; Oil Pan Group | 1 |
Lubrication System
Oil Filler (4n5140 N/S)
| 4N***40 | Oil Filler Group; Oil Filler Group | 1 |
Oil Filler (4n5141 N/S)
| 4N***41 | Oil Filler Group | 1 |
Oil Filler (4n5138 N/S)
| 4N***38 | Oil Filler Group | 1 |
Breather (1p4244 N/S)
| 1P***44 | Breather Group | 1 |
Oil Filler (4n6066 N/S)
| 4N***66 | Filler Group-Oil; Oil Filler Group | 1 |
Oil Filler (2p6855 N/S)
| 2P***55 | Filler Group-Oil | 1 |
Oil Filler (4n4817 N/S)
| 4N***17 | Filler Group-Oil; Oil Filler Group | 1 |
Oil Filler (4n5139 N/S)
| 4N***39 | Filler Group-Oil | 1 |
Oil Filler (4n4791 N/S)
| 4N***91 | Filler Group-Oil; Oil Filler Group | 1 |
Oil Filter (2p6475 N/S)
| 2P***75 | Filter Group-Engine Oil; Oil Filter Group (10z1 ~ 10z7023) | 1 |
Oil Filter (2p6525 N/S)
| 2P***25 | Filter Group-Oil | 1 |
Fumes Disposal (2p7446 N/S)
| 2P***46 | Fumes Disposal | 1 |
Fumes Disposal (4n3325 N/S)
| 4N***25 | Fumes Disposal Group; Fumes Disposal Group | 1 |
Fumes Disposal (3n3392 N/S)
| 3N***92 | Fumes Disposal Group; Fumes Disposal Group | 1 |
Fumes Disposal (2p7447 N/S)
| 2P***47 | Fumes Disposal Group | 1 |
Oil Lines (4n9718 N/S)
| 4N***18 | Lines Group-Engine Oil | 1 |
Oil Lines (2p6109 N/S)
| 2P***09 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
Oil Lines (2p6105 N/S)
| 2P***05 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
Oil Lines (2p6861 N/S)
| 2P***61 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
Oil Filler (2p6856 N/S)
| 2P***56 | Oil Filler | 1 |
Oil Filter (2p916 N/S)
| 2P***16 | Oil Filter Group | 1 |
Oil Lines (4n3694 N/S)
| 4N***94 | Oil Lines | 1 |
Oil Pump (2p1784 N/S)
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
2p1785 Gear Pump Group
| 2P***85 | Pump Group-Engine Oil | 1 |
2p7830 Gear Pump Group
| 2P***30 | Pump Group-Gear | 1 |
Oil Pump (2p6537 N/S)
| 2P***37 | Pump Group-Oil; Engine Oil Pump Group | 1 |
Rear Structure
Rear Gear (2p8161 N/S)--Accessory Drive
| 2P***61 | Drive Group-Accessory; Rear Gear Group-Accessory Drive | 1 |
Rear Gear (2p8162 N/S)--Accessory Drive
| 2P***62 | Drive Group-Accessory; Dowel - Frame To Flywheel Housing | 1 |
Rear Gear (2p8159 N/S)--Accessory Drive
| 2P***59 | Drive Group-Accessory; Rear Gear Group Accessory Drive | 1 |
Flywheel (2p9646 N/S)
| 2P***46 | Flywheel; Flywheel Group | 1 |
Flywheel (7s3207 N/S)
| 7S***07 | Flywheel | 1 |
7s7874 Flywheel Group
| 7S***74 | Flywheel Group; Flywheel Group | 1 |
Flywheel (1p9581 N/S)
| 1P***81 | Flywheel Group; Flywheel Group | 1 |
Flywheel (7s7753 N/S)
| 7S***53 | Flywheel Group; Flywheel Group | 1 |
Flywheel (2p1663 N/S)
| 2P***63 | Flywheel Group; Flywheel Group | 1 |
Flywheel (9s5784 N/S)
| 9S***84 | Flywheel Group; Flywheel Group | 1 |
Flywheel (8s1494 N/S)
| 8S***94 | Flywheel Group; Flywheel Group | 1 |
Flywheel (5s3451 N/S)
Flywheel (7s7875 N/S)
| 7S***75 | Flywheel Group; Flywheel Group | 1 |
Flywheel (7s7877 N/S)
| 7S***77 | Flywheel Group; Flywheel Group | 1 |
7s7878 Flywheel Group
| 7S***78 | Flywheel Group; Flywheel Group | 1 |
7s5471 Flywheel Group
| 7S***71 | Flywheel Group; Flywheel Group | 1 |
Flywheel (9s5783 N/S)
| 9S***83 | Flywheel Group; Flywheel Group | 1 |
Flywheel (2p2702 N/S)
| 2P***02 | Flywheel Group; Flywheel Group | 1 |
2p2505 Flywheel Group
| 2P***05 | Flywheel Group; Flywheel Group | 1 |
Flywheel Housing (2p9645 N/S)
| 2P***45 | Flywheel Housing | 1 |
Flywheel Housing (2p6208 N/S)
| 2P***08 | Flywheel Housing | 1 |
Flywheel Housing (2p6154 N/S)
| 2P***54 | Flywheel Housing | 1 |
Flywheel Housing Cover (2p6130 N/S)
| 2P***30 | Flywheel Housing Cover | 1 |
Flywheel Housing Cover (2p6238 N/S)
| 2P***38 | Flywheel Housing Cover | 1 |
Flywheel Housing (2p9644 N/S)
| 2P***44 | Flywheel Housing Group | 1 |
2p6814 Flywheel Housing Group
| 2P***14 | Flywheel Housing Group | 1 |
Rear Gear (2p8621 N/S)--Accessory Drive
| 2P***21 | Gear Group-Rear; Rear Gear Group-Accessory Drive | 1 |
Rear Gear (2p8160 N/S)--Accessory Drive
| 2P***60 | Gear Group-Rear | 1 |
Rear Gear (2p8622 N/S)--Accessory Drive
| 2P***22 | Gear Group-Rear; Rear Gear Group | 1 |
Flywheel Housing (4n6055 N/S)
| 4N***55 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
2p6166 Flywheel Housing Group
| 2P***66 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
2p6119 Flywheel Housing Group
| 2P***19 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
2p6129 Flywheel Housing Group
| 2P***29 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Flywheel Housing (2p6119 N/S)
| 2P***19 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Flywheel Housing (4n5825 N/S)
| 4N***25 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Flywheel Housing (2p6122 N/S)
| 2P***22 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Flywheel Housing (2p6131 N/S)
| 2P***31 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Flywheel Housing (2p6156 N/S)
| 2P***56 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Power Take-Off (9s6185 N/S)--Part 1
| 9S***85 | Power Take-Off Group | 1 |
Power Take-Off (9s6185 N/S)--Part 2
| 9S***85 | Power Take-Off Group | 1 |
Service Equipment And Supplies
Gasket Kits
Upper Structure
Cylinder Head Cover (2p6530 N/S)
| 2P***30 | Cover Group-Cylinder Head; Cylinder Head Cover Group | 1 |
2p6531 Cylinder Head Cover Group
| 2P***31 | Cover Group-Cylinder Head; Cylinder Head Cover Group | 1 |
Cylinder Head Cover (9n136 N/S)
| 9N***36 | Cover Group-Cylinder Head; Cylinder Head Cover Group | 1 |
Valve Mechanism Cover (2p6516 N/S)
| 2P***16 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
4n7446 Cylinder Head Assembly
| 4N***46 | Cylinder Head As; Head Assembly-- Parts Service | 1 |
2p6476 Cylinder Head Group
| 2P***76 | Cylinder Head Group; Cylinder Head Group | 1 |
Cylinder Head (2p6486 N/S)
| 2P***86 | Cylinder Head Group; Cylinder Head Group | 1 |
Cylinder Head (2p6496 N/S)
| 2P***96 | Cylinder Head Group; Cylinder Head Group | 1 |
Cylinder Head Fastener (2p6546 N/S)
| 2P***46 | Fastener Group-Cylinder Head; Cylinder Head Fastener Group | 1 |
Lifting Eye (1p3840 N/S)
| 1P***40 | Lifting Group; Lifting Eye Group | 1 |
2p6526 Valve Mechanism Group
| 2P***26 | Valve-Mechanism Group; Valve Mechanism Group | 1 |
627 serial number reference
The PIN plate is riveted to the frame of each unit — the tractor (power) unit carries its own plate near the operator's platform, and the scraper (bowl) unit carries a separate plate on its own frame, since a 627 ships as two independently serialized machines coupled together. Each serial number is eight characters: a 3-character prefix identifying the model and production block, followed by a 5-digit sequence number; on later 17-character PINs the same 8-character serial sits in the final 8 positions. Read the prefix on each plate separately to confirm generation and which unit (tractor vs scraper) it belongs to before ordering parts.
| Prefix | Identifies | Notes |
|---|---|---|
| 54K | 627 (original) | Tractor unit prefix on the earliest recorded 627 parts book, paired with scraper block 68M in the same manual. Original 627 used twin Cat D333T turbocharged engines rated at 168 kW (225 hp) each. Production ran from 1968 into the early 1970s, ahead of the 627B in 1972. |
| 68M | 627 (original) | Scraper (bowl) unit prefix, paired with tractor block 54K in the same parts book. Twin D333T power train, pre-627B production. |
| 50K | 627 (original) | Second recorded tractor-side serial block for the original 627, with a broken (non-continuous) serial run in its parts book. Pairs with scraper block 69M. Confirm exact tractor/scraper split and serial range with your dealer. |
| 69M | 627 (original) | Scraper (bowl) unit, listed directly as the Wheel Scraper prefix in Cat's parts catalog, also with a broken serial run. Pairs with tractor block 50K. |
| 14S | 627B | Tractor unit, Cat 3306T engine, early production block. 627B introduced 1972 with the 3306T engine, replacing the original's twin D333T, in production into the early-to-mid 1980s. |
| 15S | 627B | Tractor unit, Cat 3306T engine, a second early-run block documented alongside 14S in the same tractor parts book, with later printings extending both blocks together. Confirm exact serial-range cutoffs with your dealer. |
| 37V | 627B | Scraper (bowl) unit, same 3306T-powered 627B family as the 14S/15S tractors, documented in the same parts book as 38V. |
| 38V | 627B | Scraper unit, documented in the same parts book as 37V; letter-prefix pattern indicates a later production run than 37V. |
| 32V | 627B | Prefix listed on a bundled 627B service manual alongside 33V, 34V, 37V, 38V, 56V, 14S and 15S. Whether this specific block is tractor-side or scraper-side is not confirmed by a standalone listing — confirm with your dealer before ordering against this prefix. |
| 33V | 627B | Prefix from the same bundled 627B manual listing as 32V/34V/56V. Tractor/scraper assignment unconfirmed — single source, confirm with your dealer. |
| 34V | 627B | Prefix from the same bundled 627B manual listing as 32V/33V/56V. Tractor/scraper assignment unconfirmed — single source, confirm with your dealer. |
| 56V | 627B | Prefix from the same bundled 627B manual listing as 32V/33V/34V. Tractor/scraper assignment unconfirmed — single source, confirm with your dealer. |
| 3WJ | 627E | Scraper unit, recorded 627E block. 627E replaced the 627B in 1986 as a push-pull twin-power machine, front (tractor) Cat 3406 paired with a rear (scraper) 3306-family engine. |
| 7CG | 627E | Tractor unit, recorded 627E block documented on 1990-built units. Front engine output on this block runs around 246 kW (330 hp), up from about 168 kW (225 hp) on earlier 627E production, same 3406-family engine. |
| 6EB | 627E | Tractor unit, recorded 627E serial block; pairs with scraper block 6FB. Confirm exact model-year cutoffs with your dealer. |
| 6FB | 627E | Scraper unit, recorded 627E serial block; pairs with tractor block 6EB. |
| 6GB | 627E | Tractor unit, recorded 627E serial block documented on a 1990-built unit; pairs with scraper block 6HB, ahead of the 1993 changeover to the 627F. |
| 6HB | 627E | Scraper unit, recorded 627E serial block; pairs with tractor block 6GB. |
| 1RD | 627E | Appears on a bundled 627E service manual listing alongside 6EB/6FB/6GB/6HB, unit (tractor or scraper) not stated. Single source — confirm with your dealer. |
| 1DL | 627F | Tractor unit, Cat 3406-family engine, block 1DL00001-up. 627F replaced the 627E in 1993. |
| 4YK | 627F | Scraper unit, Cat 3406-family engine reference, block 4YK00001-up, listed directly as the 627F Wheel Scraper prefix. |
| AXF | 627G | Tractor unit, earliest 627G production block, paired with scraper block AYK on the same electrical/parts documentation. 627G ran from roughly 2000 into 2010. |
| AYK | 627G | Scraper unit, earliest 627G block, paired with tractor block AXF. |
| CEX | 627G | Tractor unit, mid-run 627G block, paired with scraper block CEZ. |
| CEZ | 627G | Scraper unit, mid-run 627G block, paired with tractor block CEX. |
| DBD | 627G | Tractor unit, latest 627G block, Cat C15 tractor engine. Pairs with scraper block DBZ. |
| DBZ | 627G | Scraper unit, latest 627G block, Cat C9 scraper engine. Pairs with tractor block DBD. |
| DBW | 627H | Tractor/machine prefix, earlier 627H block. 627H introduced November 2011 as a short-lived series ahead of the 627K, twin-powered with a Cat C13 ACERT tractor engine (304 kW/407 hp) and Cat C9.3 ACERT scraper engine (216 kW/290 hp). |
| LCT | 627H | Tractor unit, later 627H production block, same C13/C9.3 ACERT twin-engine pairing as DBW. |
| WTC | 627K | Machine prefix documented on multiple built units from 2018 and 2019. 627K appeared around 2012 and continues the C13 ACERT tractor / C9.3 ACERT scraper pairing, Tier 4 Final/Stage IV emissions. Full factory-documented prefix range not confirmed — verify with your dealer. |
Frequently asked questions
What engine powers the Caterpillar 627?
This original 627 (1968-1972) runs two Caterpillar D333T turbocharged inline-six diesel engines - one in the tractor, one in the scraper - each rated near 168 kW (225 hp) at 2,200 rpm, for a combined output around 336 kW (450 hp). Both use mechanical flyweight governors and mechanical fuel injection; there is no electronic engine control on this machine. Caterpillar switched to the 3306T engine when it replaced this machine with the 627B in 1972.
What is the operating weight of the Caterpillar 627?
Operating weight runs roughly 31.7 tonnes (34.9 tons) empty to about 48.2 tonnes (53.1 tons) loaded, with a bowl rated near 10.7 m3 (14 cu yd) struck and 15.3 m3 (20 cu yd) heaped. Exact figures vary by tire fitment and whether the cushion hitch or push-pull hitch is installed - check the machine's own spec plate for its as-built configuration.
What replaced the Caterpillar 627?
Caterpillar replaced this twin-D333T 627 with the 627B in 1972. The 627B kept the twin-engine, twin-transmission layout but switched to the Caterpillar 3306T engine. Caterpillar has since carried the 627 name through several later, unrelated generations - including a current-production model with electronic C13/C9.3 engines - none of which share this original machine's mechanical controls or engine.
What 627 owners discuss
What do owners say about running the twin diesels and keeping the front and rear transmissions in step?
Front and rear powershift transmissions are linked by an electro-hydraulic sync circuit: a manual switch on the front transmission signals the rear unit's upshift/downshift solenoids to follow along, with a sync warning light and a neutral/sync toggle on the panel. Two failure modes come up repeatedly: a broken wire or corroded connector in the harness that runs from the front transmission, across the gooseneck, to the rear transmission, or debris in the transmission oil sticking a spool valve. Either shows up as the rear unit refusing to drive, the sync light staying on, or the rear transmission landing in the wrong gear. Tracing the wiring and watching the shift shaft move at the rear transmission is the standard first check before assuming a transmission teardown is needed. Have your dealer verify any wiring repair before returning the machine to grade work.
How hydraulic-intensive is the 627, and what should an owner watch for?
Bowl, apron, ejector and cushion-hitch functions are all hydraulic, with the parallel-link cushion hitch damped by nitrogen-over-oil cylinders instead of gravity alone. On a machine now decades old, weeping cylinder rod seals and hardened, cracking hoses are treated as routine rather than exceptional. Check fluid level and look under the bowl and around the hitch linkage before every shift rather than relying on the sight gauge alone. Because these circuits run at high pressure, have your dealer or a qualified hydraulics shop verify any reseal or hose work before the machine goes back to work.
Does the 627 self-load, or does it need help?
Not reliably in packed or tight material. It carries bowl downforce cylinders, an improvement over gravity-only rivals of its day, and could be ordered with a factory push-pull hitch so two units work a cut in tandem. Without a mate or a pusher machine behind it, operators report it needs assistance loading anywhere the ground isn't loose. Bowl capacity runs about 10.7 m3 struck (14 yd3) and 15.3 m3 heaped (20 yd3), so plan crew and pusher time into the job rather than counting on single-machine self-loading.
What wear patterns show up most on this machine?
Wear concentrates in a few predictable spots. The bowl cutting edge is reversible and wears evenly if rotated before it gets too thin; apron and ejector wear plates go next. Differentials and final drives on both the tractor and scraper axles carry constant load since both ends are always under power, and worn diffs and finals are flagged as a common high-cost repair on high-hour units. Cushion-hitch pins and bushings wear from the constant articulation between the two units. On tires, dry rot (faded, cracked sidewalls) is as much a concern on a machine this age as tread depth, especially on units that sat outside for long stretches.
What engine quirks come up with the D333T twin diesels?
Each unit runs its own D333T, a turbocharged six rated around 168 kW (225 hp), sharing its base block with other Cat crawler and grader engines of the same era. The turbo has no wastegate, so a mismatched or aftermarket replacement risks overboosting the engine. Rebuilders watch for oil showing up on the intake side of the turbo and shaft play as early signs of bearing wear, and the exhaust-side flange is a known rust point after decades outdoors. The governor and injection pump are a combined mechanical assembly, rebuildable but best handled by a shop familiar with the D333 family rather than a general diesel shop. Have your dealer verify turbo and governor compatibility on any rebuilt or swapped unit before running it under load.
What electrical problems are commonly reported?
The system is 24V with a belt-driven generator and regulator charging setup, no alternator and no electronic engine controls. The wiring carrying the transmission sync signal runs from the front transmission, across the gooseneck, and down the bowl to the rear transmission and sync switch, putting a long harness run through a cavity exposed to weather, spilled material and constant flex. Corroded connectors and chafed or broken conductors in that run are named more often than a bad solenoid when the rear unit won't drive or the sync light misbehaves. Battery terminal corrosion and worn ground straps are also common no-crank causes on machines this old; check grounds before chasing anything more involved. Have your dealer verify any charging-system repair before extended field use.
What should a buyer check before purchasing a used 627 today?
This is now a vintage machine, typically 50 or more years old, bought for a working fleet or as a collector piece rather than off a dealer lot. First, confirm it is the original twin-D333T-engine 627 and not mixed up with later 627B through 627K generations, which use different engines and largely non-interchangeable drivetrain parts. Run both engines and confirm both transmissions shift and stay in sync; a rear unit that won't drive is often a simple wiring or solenoid fix, but rule out worse before committing. Check exhaust smoke and compression on both engines: white smoke at startup points to injector or governor trouble, black or blue smoke to worn rings or a failing turbo. Inspect every hydraulic cylinder and hose for weeping seals and cracking, check tires for dry rot even if tread looks fine, and listen for clatter or backlash in the differentials and final drives on both axles. Budget time as much as money: parts for this generation come from specialist dealers, salvage machines and custom machining rather than a current Cat parts counter, since the modern parts network is stocked for the later lettered and current-production 627s.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Caterpillar 627. Related factory variants of the same model family:
627
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