Caterpillarwheel-type loaderwheel loader
Caterpillar 966R
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 966R is a medium wheel-type loader in Caterpillar's long-running 966 nameplate, built around a naturally aspirated Cat 3306 in-line six-cylinder diesel rated at roughly 170.4 hp (127 kW) gross, with about 10.5 L (640.8 cu in) displacement and a mechanical governor - no ECM, no electronic fault codes. Operating weight runs about 16,733 kg (36,890 lb) with a static tipping load near 12,674 kg (27,941 lb) on a general-purpose bucket. It is an articulated, four-wheel-drive Z-bar loader offered with a general-purpose bucket around 3.1-3.13 m3 heaped (2.62-2.68 m3 struck), riding on 23.5-25 tires with a fuel tank of 246 L (65 US gal) and a 197 L (52.1 US gal) hydraulic system. Confirmed production carries the 58Z serial prefix; no published upper serial break or exact production-year range exists for this nameplate. The engine and driveline generation match the contemporary 966C (built roughly 1976-1981) rather than the later turbocharged 3306 DIT used from the 966D onward, which places the 966R in that same production era.
Documentation for the 966R specifically is thin compared with the mainline 966C - it reads as an export or international-market designation built on the same naturally aspirated driveline rather than a distinct Caterpillar product line, though no source pins down a precise origin story, and that scarcity should be treated as genuine rather than filled in with guesswork. Across the wider 966 nameplate, Caterpillar moved from this naturally aspirated 3306 to the turbocharged 3306 DIT starting with the 966D, then to electronically controlled engines from the 966G generation onward, with each step adding power and emissions control while keeping the same loader class and footprint. In today's used and parts market, the 966R matters mainly through that shared driveline: because its engine, transmission, and axle components track the 966C generation, parts and rebuild kits sourced against that broader family keep 966R units serviceable even where dedicated 966R literature is scarce. Its simple mechanical fuel system with no ECM or aftertreatment appeals to buyers who want straightforward diagnostics and lower rebuild cost for basic yard, quarry, or aggregate loading work.
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 966R specifications
Engine
| Engine model | Cat 3306, naturally aspirated, inline 6-cylinder diesel |
| Displacement | 10.5 L (640.8 cu in) |
| Gross power | 127 kW (170.4 hp) |
Weights
| Operating weight | 16,733 kg (36,890 lb) |
| Static tipping load | 12,674 kg (27,941 lb) |
Dimensions
| Overall length, bucket on ground | 6.89 m (22.6 ft) |
| Width over tires | 2.77 m (9.1 ft) |
| Height to top of cab | 3.29 m (10.8 ft) |
| Wheelbase | 3.11 m (10.2 ft) |
| Ground clearance | 0.43 m (1.4 ft) |
| Outside turning radius, over bucket | 6.8 m (22.3 ft) |
| Bucket width | 2.92 m (9.6 ft) |
| Standard tire size | 23.5-25 |
Performance
| Max travel speed, forward | 34.9 km/h (21.7 mph) |
| Max travel speed, reverse | 39.0 km/h (24.2 mph) |
| Breakout force | 115.2 kN (25,910 lbf) |
| Bucket capacity, heaped | 3.10 m3 (4.06 yd3) |
| Bucket capacity, struck | 2.62 m3 (3.43 yd3) |
| Hydraulic cycle time, raise/dump/lower | 6.2 s / 1.6 s / 3.8 s |
| Transmission speeds | 4 forward, 4 reverse |
Service capacities (summary)
| Fuel tank | 246 L (65 gal) |
| Hydraulic system | 197 L (52.1 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
966R fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not published specifically for the 966R. The Cat 3306 naturally aspirated diesel it carries typically runs about 27-39 L (7-10 US gal) with filter across comparable off-highway installations of this engine family; confirm against the dipstick full mark or dealer literature for this exact configuration. | Cat DEO (Diesel Engine Oil). Straight SAE 30 for warm-climate operation, SAE 10W or a 15W-40 multigrade for cold starts, per Cat's ambient-temperature oil chart for this engine generation. |
| Cooling system | Not consistently documented for this generation in available spec sheets. Comparable 3306-powered wheel loaders of this era run roughly 40-50 L (10.5-13 US gal); varies by radiator/configuration. Verify with dealer for the exact figure. | Full-strength heavy-duty antifreeze/coolant with corrosion inhibitor to Cat spec, mixed to the local climate's freeze-protection point. Cat ELC (Extended Life Coolant) is the modern equivalent fill if the system has since been serviced/converted. |
| Fuel tank | 246 L (65 US gal) | No. 2-D diesel fuel for normal operation; No. 1-D or a winter-blend diesel for cold-weather starting, per Cat's seasonal fuel guidance. |
| Transmission (powershift with torque converter) | Not published for the 966R specifically; not documented in available spec sheets for this generation. Verify with dealer. | Cat TDTO (Transmission/Drivetrain/Wet-Brake Oil), TO-4 30-weight as the standard fill; TDTO 10W permitted for cold-weather operation. |
| Front axle (differential and final drive, combined compartment) | Not published for the 966R specifically; not documented in available spec sheets for this generation. Verify with dealer. | Cat TDTO, TO-4 30-weight, same fluid family as the transmission and rear axle. |
| Rear axle (differential and final drive, combined compartment) | Not published for the 966R specifically; not documented in available spec sheets for this generation. Verify with dealer. | Cat TDTO, TO-4 30-weight, same fluid family as the transmission and front axle. |
| Hydraulic system and tank | 197 L (52.1 US gal) total system fill. Tank capacity alone is not broken out separately in available documentation. | Cat TDTO or a straight-grade 10W Cat hydraulic oil for this generation, predating Cat's dedicated HYDO product line. A commercial 10W engine oil is also listed by Cat as an acceptable substitute for this era's hydraulic circuit. |
| Grease (chassis lubrication points) | Spec only, no fill capacity applies. Refer to the lubrication chart for point locations and service intervals. | Cat Multipurpose Grease (Cat MPGM), an NLGI 2 lithium-complex EP grease, for chassis pins, bushings, loader linkage, and steering grease points. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 966R maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
| Every 6,000 h |
|
Servicing the 966R beyond the schedule
Predictive Maintenance & Fluid Analysis
This pre-electronic 3306 naturally aspirated engine has no ECM and no fault codes, so scheduled oil sampling is the main predictive tool. Sample engine oil (Cat DEO), transmission/axle oil (Cat TDTO TO-4), and hydraulic oil each interval to catch wear metals and contamination early. Track coolant for corrosion-inhibitor depletion (Cat ELC). Watch the injection pump and mechanical governor linkage - wear shows as power loss or rough idle, not a warning light. Grease articulation and loader-arm pivots on schedule; dry pins fail first on this era of Z-bar loader.
Corrective & Common Repairs
Typical fixes on 58Z-prefix units: worn articulation-joint and Z-bar pins/bushings from skipped grease intervals, power-shift transmission clutch packs slipping or shifting hard, hydraulic cylinder seal leaks on the lift and tilt rams after years of cycling, and injection-pump or governor-linkage wear causing power loss or hard cold starts on the mechanically governed 3306. Electrical faults are simple analog circuits - gauges, lamps, and starter/alternator wiring - with no ECM to fault-trace. Wheel bearing play and uneven 23.5-25 tire wear are common on higher-hour yard and quarry machines.
Overhaul & Rebuild Points
High-hour rebuild candidates: 3306 NA top-end work (liners, injectors, valve train) once compression and oil consumption drop; power-shift transmission and torque-converter clutch packs; final-drive and differential gearsets in the axle housings; and Z-bar loader-arm, bucket, and tilt-lever pins and bushings. The articulation hitch bearings and center pins also wear into play over time and need periodic replacement. Because the 966R shares its driveline generation with the better-documented 966C, rebuild kits and reman components for the engine, transmission, and axles are easier to source than dedicated 966R literature suggests.
Seasonal & Environment Servicing
Cold starts on the mechanically governed 3306 benefit from Cat TDTO 10W in the transmission and axles, correct-viscosity engine oil, and a working ether or glow-plug aid - there's no electronic cold-start assist. In hot, dusty quarry or yard duty, service the air cleaner and clean radiator/oil-cooler fins more often than the base interval, and watch the hydraulic system for heat-related seal wear. Wash grease fittings at the articulation joint and loader-arm pivots before regreasing to keep abrasive grit out of pins and bushings.
966R common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 1P-2299 | Filter As-Fuel | Fuel system service | Check fitment → |
| 2Y-8670 | Filter As-Fuel | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
966R fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Coolant Temperature warning lamp (red segment/lamp on gauge cluster) | Engine coolant temperature above normal operating range | Low coolant level, clogged radiator or debris screen, slipping or broken fan belt, faulty temperature sending unit | Stop and idle engine, check coolant level and radiator core/screen for blockage, verify fan belt condition and tension |
| Engine Oil Pressure warning lamp | Engine oil pressure below normal operating range | Low oil level, worn oil pump, plugged oil filter, faulty pressure sending unit or wiring | Stop engine immediately, check oil level and condition, inspect for leaks before restarting |
| Torque Converter Oil Temperature warning lamp/gauge | Torque converter/transmission oil temperature above normal range | Low transmission oil level, plugged oil cooler, high converter stall from overloading or working against a stalled load | Reduce load and let torque converter cool, check transmission oil level, inspect cooler core for restriction |
| Charging System (alternator) warning lamp | Charging system not supplying adequate current to the battery | Loose or broken alternator belt, faulty alternator, corroded or loose wiring/battery connections | Check belt tension and condition, inspect wiring and battery terminals, test alternator output |
| Brake/Hydraulic Accumulator Pressure warning lamp with audible alarm | Brake charge (accumulator) hydraulic pressure below safe operating range | Brake charging pump fault, internal accumulator leak, low hydraulic oil level, faulty pressure switch | Stop machine in a safe location, do not continue operating until pressure is restored and system is inspected |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
966R attachments & work tools
General-purpose bucket
Standard work tool. Heaped capacity about 3.1-3.13 m3 (4.06-4.1 cu yd), struck capacity about 2.62-2.68 m3 (3.43-3.5 cu yd). Width around 2.92-2.93 m (9.6 ft), breakout force around 115 kN (25,910 lbf).
Multi-purpose (4-in-1) bucket
Common option across this loader's 4-4.5 cu yd size class for grading, dozing, and light clamping work. Runs off the tilt/clam hydraulic circuit and needs the added third valve. Exact capacity is not separately published for this nameplate; confirm with your dealer.
Rock/quarry bucket
Heavier, wear-plated bucket with a reinforced cutting edge for abrasive rock and aggregate, at reduced capacity versus the general-purpose bucket. Standard option across loaders of this weight class.
Pallet and log forks
Mount to the same bucket-carrier frame as the loader bucket. Typical option for material handling and timber yard work. Rated load drops with reach and lift height versus the bucket's rated payload; check the load chart for the actual configuration.
Ripper/scarifier
Rear frame-mounted single- or multi-shank ripper for breaking up compacted or frozen material ahead of loading. Class-typical rear-mount option, separate from the front loader/bucket circuit.
Coupling/mounting system
Base tool mount is the standard pin-on loader linkage. A lever-type or hydraulic quick coupler was a common option of that era for faster tool changes without leaving the cab. The specific coupler fitted is not documented for this nameplate; verify against the parts book for the machine's serial prefix.
Auxiliary/third hydraulic valve
Grapples, multi-purpose buckets, and other clamp- or rotate-type tools require a third hydraulic valve added to the base two-function (raise/dump) loader circuit. Match the work tool's flow and pressure needs to the machine's hydraulic kit before fitting.
Application and guarding packages
Waste- and quarry-duty arrangements (belly guards, screens, reinforced counterweight) and ride control (accumulator-cushioned boom for travel over rough ground) are common factory or dealer-fit options across this loader family for demolition, scrap, and aggregate work. Specific package availability for this exact nameplate is not itemized in public documentation; confirm with a Cat dealer.
All 966R assemblies by section
Every catalogued assembly group for the Caterpillar 966R. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
7n3884 Lines Gp-Air
| 7N***84 | Air Lines Group | 1 |
2y8685 Air Compressor Gp
| 2Y***85 | Air Compressor Group | 1 |
2y9941 Air Compressor Gp
| 2Y***41 | Air Compressor Group | 1 |
1w7146 Air Compressor Gp
| 1W***46 | Air Compressor Group | 1 |
7n5642 Air Compressor Gp
| 7N***42 | Air Compressor Group; Air Compressor Group | 1 |
4p2975 Air Compressor Gp
| 4P***75 | Air Compressor Group | 1 |
7n7750 Cartridge Gp-Turbocharger*R
| 7N***50 | Cartridge Group-Turbocharger | 1 |
4n9586 Fastener Gp-Exhaust Manifold
| 4N***86 | Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group | 1 |
7n3883 Lines Gp-Air
| 7N***83 | Lines Group-Air; Air Lines Group | 1 |
7n5643 Lines Gp-Air Compressor
| 7N***43 | Lines Group-Air Compressor; Air Compressor Lines Group | 1 |
7n8551 Air Compressor Lines Group
| 7N***51 | Lines Group-Air Compressor | 1 |
2y6493 Lines Gp-Turbocharger Oil
| 2Y***93 | Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group | 1 |
6n0164 Manifold Gp-Exhaust
| 6N***64 | Manifold Group-Exhaust | 1 |
8s1335 Muffler Gp
| 8S***35 | Muffler Group; Muffler Gp-Exhaust | 1 |
5y0812 Muffler Gp
| 5Y***12 | Muffler Group; Muffler Gp-Exhaust | 1 |
8n2669 Turbocharger Gp
| 8N***69 | Turbocharger Group; Turbocharger Group | 1 |
4n8969 Turbocharger Gp*R
| 4N***69 | Turbocharger Group | 1 |
7n7748 Turbocharger Gp*R
| 7N***48 | Turbocharger Group | 1 |
4n8970 Turbocharger Gp
| 4N***70 | Turbocharger Group | 1 |
Basic Engine
1n4406 Camshaft Gp
| 1N***06 | Camshaft Group-Single; Camshaft Group--Single | 1 |
2y6282 Cover Gp-Cylinder Block
| 2Y***82 | Cover Group; Cylinder Block Cover Group | 1 |
2y1958 Cover Gp-Cylinder Block
| 2Y***58 | Cover Group-Cylinder Block | 1 |
2y5174 Cover Gp-Cylinder Block
| 2Y***74 | Cover Group-Cylinder Block | 1 |
2p6530 Cover Gp-Cylinder Head
| 2P***30 | Cover Group-Cylinder Head; Cylinder Head Cover Group | 1 |
2y6283 Cover Gp-Front Housing
| 2Y***83 | Cover Group-Front Housing; Front Housing Cover Group | 1 |
2p6516 Cover Gp-Valve Mechanism
| 2P***16 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
8n4745 Cover Gp-Valve Mechanism
| 8N***45 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
Crankshaft Bearing Replacements
| 8N***25 | Bearing (1.25mm Undersize) | 7 |
| 8N***26 | Bearing (0.51mm Undersize) | 7 |
| 8N***27 | Bearing (0.76mm Undersize) | 7 |
2y5206 Crankshaft Gp
| 2Y***06 | Crankshaft Group; Crankshaft Group | 1 |
2y5235 Cylinder Block As
| 2Y***35 | Cylinder Block As | 1 |
7n6550 Cylinder Block As
| 7N***50 | Cylinder Block As | 1 |
7n8016 Cylinder Block Gp*R
| 7N***16 | Cylinder Block Group; Cylinder Block Group | 1 |
2y9363 Cylinder Block Gp
| 2Y***63 | Cylinder Block Group | 1 |
8n3021 Cylinder Block Gp
| 8N***21 | Cylinder Block Group; Cylinder Block Group | 1 |
2y9362 Cylinder Head Gp
| 2Y***62 | Cylinder Head Group | 1 |
7n8876 Cylinder Head Gp*R
| 7N***76 | Cylinder Head Group; Cylinder Head Group | 1 |
2p6486 Cylinder Head Gp
| 2P***86 | Cylinder Head Group; Cylinder Head Group | 1 |
2p7838 Damper Gp
| 2P***38 | Damper Group; Damper Group | 1 |
2p8159 Gear Gp-Rear
| 2P***59 | Drive Group-Accessory; Rear Gear Group Accessory Drive | 1 |
5n8112 Drive Gp-Fan
| 5N***12 | Drive Group-Fan; Fan Drive Group | 1 |
2y9985 Engine Ar-Part 1 Of 2
| 1N***06 | Camshaft Group-Single; Camshaft Group--Single | 1 |
| 1P***44 | Breather Group | 1 |
| 1W***35 | Housing & Regulator Group; Housing And Regulator Group | 1 |
2y9985 Engine Ar-Part 2 Of 2
| 1G***83 | Cap-Grease | 1 |
| 1W***88 | Piston & Rod Group; Connecting Rod And Piston Group | 6 |
| 1W***90 | Support Group-Engine; Engine Support Group | 1 |
2y9989 Engine Ar-Part 1 Of 2
| 1N***06 | Camshaft Group-Single; Camshaft Group--Single | 1 |
| 1P***44 | Breather Group | 1 |
| 1W***35 | Housing & Regulator Group; Housing And Regulator Group | 1 |
2y9989 Engine Ar-Part 2 Of 2
| 1W***90 | Support Group-Engine; Engine Support Group | 1 |
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
| 2P***05 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
7n9536 Fastener Gp-Cylinder Head
| 7N***36 | Fastener Group-Cylinder Head; Cylindetr Head Fastener Group | 1 |
2p6546 Fastener Gp-Cylinder Head
| 2P***46 | Fastener Group-Cylinder Head; Cylinder Head Fastener Group | 1 |
2y5717 Fastener Gp-Front Housing
| 2Y***17 | Fastener Group-Front Housing; Front Housing Fastener Group | 1 |
2p6200 Fastener Gp-Oil Pan
| 2P***00 | Fastener Group-Oil Pan; Fastener Gp-Engine Oil Pan | 1 |
2p6199 Fastener Gp-Oil Pan
| 2P***99 | Fastener Group-Oil Pan; Oil Pan Fastener Group | 1 |
7s7877 Flywheel Gp
| 7S***77 | Flywheel Group; Flywheel Group | 1 |
7s5471 Flywheel Gp
| 7S***71 | Flywheel Group; Flywheel Group | 1 |
2p6493 Gauge Gp-Oil Level (Dipstick)
| 2P***93 | Gauge Group-Oil Level (Dipstick); -Engine | 1 |
2y8416 Gauge Gp-Oil Level (Dipstick)
| 2Y***16 | Gauge Group-Oil Level (Dipstick) | 1 |
2y8603 Gear Gp-Front Timing
| 2Y***03 | Gear Group-Front; Gear Gp-Front Timing | 1 |
2y5707 Gear Gp-Front Timing
| 2Y***07 | Gear Group-Front; Gear Gp-Front Timing | 1 |
2p6131 Housing Gp-Flywheel
| 2P***31 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
8n0442 Housing Gp-Flywheel
| 8N***42 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
2y8429 Housing Gp-Front
| 2Y***29 | Housing Group-Front | 1 |
2y5250 Housing Gp-Front
| 2Y***50 | Housing Group-Front; Front Housing Group | 1 |
6n8326 Lifting Eye Gp-Engine
| 6N***26 | Lifting Group; Lifting Eye Gp-Engine | 1 |
2p6152 Pan Gp-Oil
| 2P***52 | Pan Group-Oil; Oil Pan Group | 1 |
2y5231 Pan Gp-Oil
| 2Y***31 | Pan Group-Oil | 1 |
9s8912 Rod & Piston Gp-6 Required
| 9S***12 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
1w6588 Rod & Piston Gp-6 Required
| 1W***88 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
7n2879 Pulley Gp-Crankshaft
| 7N***79 | Pulley Group-Crankshaft; Crankshaft Pulley Group | 1 |
7n3881 Pulley Gp-Fan
| 7N***81 | Pulley Group-Fan Drive | 1 |
2p7308 Seal Gp-Crankshaft
| 2P***08 | Seal Group-Crankshaft | 1 |
2p6224 Seal Gp-Crankshaft
| 2P***24 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
2p7753 Support Gp-Engine
| 2P***53 | Support Group-Engine; Front Engine Support Group | 1 |
1w7690 Support Gp-Engine
| 1W***90 | Support Group-Engine; Engine Support Group | 1 |
7n9589 Trunnion Gp
| 7N***89 | Trunnion Group-Engine | 1 |
7c7013 Valve Mechanism Gp
| 7C***13 | Valve Mechanism Group | 1 |
7n8026 Valve Mechanism Gp
| 7N***26 | Valve Mechanism Group; Valve Mechanism Group | 1 |
2p6526 Valve Mechanism Gp
| 2P***26 | Valve-Mechanism Group; Valve Mechanism Group | 1 |
Cab, Gauges And Accessories
7v8879 Dash Gp
| 7V***79 | Dash Group | 1 |
8v3297 Dash Gp
| 8V***97 | Dash Group | 1 |
5y0007 Gauge Gp-Part 2 Of 2
| 5Y***07 | Gauge Group | 1 |
7v8889 Gauge Gp-Part 2 Of 2
| 7V***89 | Gauge Group | 1 |
7v8889 Gauge Gp-Part 1 Of 2
| 7V***89 | Gauge Group | 1 |
5y0007 Gauge Gp-Part 1 Of 2
| 5Y***07 | Gauge Group | 1 |
2y4251 Seat Assembly. S/N 58z1-399
| 2Y***51 | Seat As | 1 |
2y5468 Seat Belt Gp
| 2Y***68 | Seat Belt Group | 1 |
4k7543 Seat Group. Serial No. 58z400-Up
| 4K***43 | Seat Group | 1 |
4k7543 Seat Group. Serial No. 58z1 To 58z399 Inclusive
| 4K***43 | Seat Group | 1 |
Chassis
6k5379 Counterweight Gp-Side-428.6 Kg(945 Pounds)
| 6K***79 | Counterweight Group-Side; Side Counterweight Group | 1 |
9k4352 Drawbar Group
| 9K***52 | Drawbar Group; Drawbar Group | 1 |
2y3639 Fender Gp
| 2Y***39 | Fender Group | 1 |
6k0990 Frame Gp-Loader
| 6K***90 | Frame Group-Loader | 1 |
9k4181 Frame Gp-Rear
| 9K***81 | Frame Group-Rear | 1 |
7v8970 Frame Gp-Rear
| 7V***70 | Frame Group-Rear | 1 |
2y8497 Guard Gp
| 2Y***97 | Guard Group | 1 |
7v8999 Guard Gp-Bottom
| 7V***99 | Guard Group-Bottom | 1 |
4k8055 Guard Gp-Front
| 4K***55 | Guard Group-Front | 1 |
9k4557 Hitch Gp-Articulated
| 9K***57 | Hitch Group-Articulated | 1 |
2y8484 Hood & Guard Gp
| 2Y***84 | Hood & Guard Group | 1 |
6k2224 Hood & Guard Gp
| 6K***24 | Hood & Guard Group | 1 |
2y8493 Hood & Guard Gp
| 2Y***93 | Hood & Guard Group | 1 |
8v7666 Hood & Guard Gp-Part 1 Of 2
| 8V***66 | Hood & Guard Group | 1 |
8v7666 Hood & Guard Gp-Part 2 Of 2
| 8V***66 | Hood & Guard Group | 1 |
2y3660 Platform Gp
| 2Y***60 | Platform Group | 1 |
2y6017 Platform Gp-Operator
| 2Y***17 | Platform Group-Operator | 1 |
2y6017 Platform Gp-Operator-Part 1 Of 2
| 2Y***17 | Platform Group-Operator | 1 |
2y6017 Platform Gp-Operator-Part 2 Of 2
| 2Y***17 | Platform Group-Operator | 1 |
Cooling System
2p6215 Cooler Gp-Engine Oil
| 2P***15 | Cooler Group-Engine Oil; Oil Cooler Group Engine | 1 |
1p5489 Hydraulic Oil Cooler Group
| 1P***89 | Cooler Group-Hydraulic Oil; Hydraulic Oil Cooler Group | 1 |
2p6510 Cooler Gp-Transmission Oil
| 2P***10 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
2y8051 Cooler Gp-Transmission Oil
| 2Y***51 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
2y8680 Fan Gp-Blower
| 2Y***80 | Fan Group-Blower | 1 |
1p5001 Fan & Guard Gp-Blower
| 1P***01 | Fan Group-Blower | 1 |
5n7880 Housing & Regulator Gp
| 5N***80 | Housing & Regulator Group; Housing & Regulator Group | 1 |
1w7135 Housing & Regulator Gp
| 1W***35 | Housing & Regulator Group; Housing And Regulator Group | 1 |
8v8239 Lines Gp-Oil Cooler
| 8V***39 | Lines Group-Hydraulic Oil Cooler | 1 |
6k9255 Lines Gp-Oil Cooler
| 6K***55 | Lines Group-Oil Cooler | 1 |
2y8079 Lines Gp-Water
| 2Y***79 | Lines Group-Water; Water Lines Group | 1 |
8n4112 Lines Gp-Water
| 8N***12 | Lines Group-Water; -Bypass Relief | 1 |
7n7211 Lines Gp-Water
| 7N***11 | Lines Group-Water; Water Lines Group | 1 |
7n5908 Pump Gp-Water
| 7N***08 | Pump Group-Water | 1 |
2w8002 Pump Gp-Water*R
| 2W***02 | Pump Group-Water; Water Pump (Assembly) | 1 |
5n7879 Radiator Gp-Part 1 Of 2
| 5N***79 | Radiator Group | 1 |
5n7879 Radiator Gp-Part 2 Of 2
| 5N***79 | Radiator Group | 1 |
1w7140 Radiator Gp-Part 1 Of 2
| 1W***40 | Radiator Group | 1 |
1w7140 Radiator Gp-Part 2 Of 2
| 1W***40 | Radiator Group | 1 |
Engine Arrangement
2y6298 Engine Ar-Part 2 Of 2
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
| 2P***15 | Cooler Group-Engine Oil; Oil Cooler Group Engine | 1 |
| 2P***93 | Gauge Group-Oil Level (Dipstick); -Engine | 1 |
2y9980 Engine Ar-Part 2 Of 2
| 1W***90 | Support Group-Engine; Engine Support Group | 1 |
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
| 2P***05 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
2y9980 Engine Ar-Part 1 Of 2
| 1N***06 | Camshaft Group-Single; Camshaft Group--Single | 1 |
| 1P***44 | Breather Group | 1 |
| 1W***35 | Housing & Regulator Group; Housing And Regulator Group | 1 |
2y6298 Engine Ar-Part 1 Of 2
| 1N***06 | Camshaft Group-Single; Camshaft Group--Single | 1 |
| 1P***44 | Breather Group | 1 |
| 2N***07 | Front Timing Gear Group | 1 |
Fuel System And Governor
7s3605 Air Cleaner Gp
| 7S***05 | Air Cleaner Group | 1 |
2y9712 Control Gp-Governor
| 2Y***12 | Control Group-Governor | 1 |
2y6041 Control Gp-Governor
| 2Y***41 | Control Group-Governor | 1 |
2y9252 Cover As
| 2Y***52 | Cover As | 1 |
2y6115 Cover Gp-Governor
| 2Y***15 | Cover Group-Governor | 1 |
2y8982 Cover Gp-Detent & Governor
| 2Y***82 | Cover Group-Governor & Detent | 1 |
1p2299 Filter As-Fuel
| 1P***99 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
2y8670 Filter As
| 2Y***70 | Filter As-Fuel | 1 |
5y1324 Filter Gp-Fuel
| 5Y***24 | Filter Group-Fuel | 1 |
2y5711 Filter Gp-Fuel
| 2Y***11 | Filter Group-Fuel; Fuel Filter Group | 1 |
5y1326 Filter Gp-Fuel
| 5Y***26 | Filter Group-Fuel | 1 |
2y9337 Flyweight Gp
| 2Y***37 | Flyweight As | 1 |
2y6381 Governor Gp
| 2Y***81 | Flyweight Group | 1 |
2y5770 Governor Gp-Part 1 Of 2
| 2Y***70 | Governor Group | 1 |
2y9334 Governor Gp-Part 1 Of 2
| 2Y***34 | Governor Group | 1 |
2y8985 Governor Gp
| 2Y***85 | Governor Group | 1 |
2y8948 Governor Gp-Part 2 Of 2
| 2Y***48 | Governor Group | 1 |
2y9334 Governor Gp-Part 2 Of 2
| 2Y***34 | Governor Group | 1 |
2y8948 Governor Gp-Part 1 Of 2
| 2Y***48 | Governor Group | 1 |
2y5770 Governor Gp-Part 2 Of 2
| 2Y***70 | Governor Group | 1 |
2y5709 Lines Gp-Fuel Injection
| 2Y***09 | Lines Group | 1 |
2y9713 Lines Gp-Fuel
| 2Y***13 | Lines Group-Fuel | 1 |
2y6981 Lines Gp-Fuel
| 2Y***81 | Lines Group-Fuel | 1 |
2y6279 Lines Gp-Fuel Injection
| 2Y***79 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
2y8362 Lines Gp-Fuel Injection
| 2Y***62 | Lines Group-Fuel Injection | 1 |
2y9522 Lines Gp-Fuel Injection
| 2Y***22 | Lines Group-Fuel Injection | 1 |
2y8366 Lines Gp-Fuel Injection
| 2Y***66 | Lines Group-Fuel Injection | 1 |
2y8363 Lines Gp-Fuel Injection
| 2Y***63 | Lines Group-Fuel Injection | 1 |
2y9492 Lines Gp-Injection Pump Lube 0il
| 2Y***92 | Lines Group-Lube Oil; Lines Gp-Injection Pump Lube Oil | 1 |
2y5712 Lines Gp-Injection Pump Lube Oil
| 2Y***12 | Lines Group-Lube Oil; Injection Pump Lubrication Oil Lines Grp | 1 |
5y1309 Pump As-Fuel Transfer
| 5Y***09 | Pump As-Fuel Transfer | 1 |
5y0261 Pump Gp-Fuel Injection-Part 1 Of 2
| 5Y***61 | Pump Group-Fuel Injection | 1 |
5y0261 Pump Gp-Fuel Injection-Part 2 Of 2
| 5Y***61 | Pump Group-Fuel Injection | 1 |
5y0245 Pump Gp-Fuel Transfer
| 5Y***45 | Pump Group-Fuel Transfer | 1 |
2y5787 Pump Gp-Fuel Transfer
| 2Y***87 | Pump Group-Fuel Transfer | 1 |
2y8987 Pump Gp-Governor & Fuel Injection
| 2Y***87 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
2y6470 Pump Gp-Governor & Fuel Injection-Part 2 Of 2
| 2Y***70 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
2y6284 Pump Gp-Governor & Fuel Injection
| 2Y***84 | Pump Group-Gov & Fuel Inj; Governor & Fuel Injection Pump Group | 1 |
2y6470 Pump Gp-Governor & Fuel Injection-Part 1 Of 2
| 2Y***70 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
2y8649 Pump Gp-Governor & Fuel Injection
| 2Y***49 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
5y1320 Pump Gp-Governor, Fuel Injection & Fuel Transfer-Part 1 Of 3
| 5Y***20 | Pump Group-Gov, Fuel Inj & Tfr; Pump Gp-Governor & Fuel Injection | 1 |
5y1320 Pump Gp-Governor, Fuel Injection & Fuel Transfer-Part 2 Of 3
| 5Y***20 | Pump Group-Gov, Fuel Inj & Tfr; Pump Gp-Governor & Fuel Injection | 1 |
5y1320 Pump Gp-Governor, Fuel Injection & Fuel Transfer
| 5Y***20 | Pump Group-Gov, Fuel Inj & Tfr; Pump Gp-Governor & Fuel Injection | 1 |
5y1320 Pump Gp-Governor, Fuel Injection & Fuel Transfer-Part 3 Of 3
| 5Y***20 | Pump Group-Gov, Fuel Inj & Tfr; Pump Gp-Governor & Fuel Injection | 1 |
2y6432 Rack Setting Gp
| 2Y***32 | Rack Setting Group | 1 |
4v0383 Seperator Gp-Water
| 4V***83 | Separator Group-Water | 1 |
2y9250 Setting Gp
| 2Y***50 | Setting Group | 1 |
2y3809 Tank Gp-Fuel
| 2Y***09 | Tank Group-Fuel | 1 |
Hydraulic System
5v5690 Bearing & Arm As-Bucket
| 5V***90 | Arm & Bearing As | 1 |
3g7667 Cartridge Gp-216 L/Min (57 Gpm)*R
| 3G***67 | Cartridge Group | 1 |
3g2834 Cartridge Gp*R
| 3G***34 | Cartridge Group | 1 |
3g7657 Cartridge Gp-Front*R
| 3G***57 | Cartridge Group-Front | 1 |
4t2008 Cartridge Gp-95 L/Min (25 Gpm)
| 4T***08 | Cartridge Group-Vane Pump | 1 |
2y1468 Control Gp-Bucket
| 2Y***68 | Control Group-Bucket | 1 |
4k8357 Hand Control Group
| 4K***57 | Control Group-Hand | 1 |
9k1540 Control Gp-Hydraulic Hand
| 9K***40 | Control Group-Hydraulic Hand; Hydraulic Hand Control Group | 1 |
5v4004 Master Cylinder Group
| 5V***04 | Cylinder As | 1 |
5v4003 Cylinder As-Master
| 5V***03 | Cylinder As-Master | 1 |
9j2434 Cylinder Gp-Lift-(Change 5)-2 Required-165.1 Mm
| 9J***34 | Cylinder Group-Lift | 1 |
9j2434 Lift Cylinder Group-(Change 2)-2 Required-165.1 Mm
| 9J***34 | Cylinder Group-Lift | 1 |
7j9355 Cylinder Gp-Steering-Rh-(Chg 02)
| 7J***55 | Cylinder Group-Steering | 1 |
7j9356 Cylinder Gp-Steering-Lh-(Chg 02)
| 7J***56 | Cylinder Group-Steering | 1 |
7j9356 Cylinder Gp-Steering-Lh-(Chg 01, 04)
| 7J***56 | Cylinder Group-Steering | 1 |
7j9355 Cylinder Gp-Steering-Rh-(Chg 01, 04)
| 7J***55 | Cylinder Group-Steering | 1 |
7j9363 Cylinder Gp-Tilt-Rh (7k9397 N/S) (Chg 03)
| 7J***63 | Cylinder Group-Tilt | 1 |
7j9363 Cylinder Gp-Tilt-Rh (7k9397 N/S) (Chg 07)
| 7J***63 | Cylinder Group-Tilt | 1 |
7j9364 Cylinder Gp-Tilt-Lh (7k9398 N/S) (Chg 08)
| 7J***64 | Cylinder Group-Tilt | 1 |
7j9364 Cylinder Gp-Tilt-Lh (7k9398 N/S) (Chg 04)
| 7J***64 | Cylinder Group-Tilt | 1 |
5j0886 Filler & Mounting Gp
| 5J***86 | Filler & Mounting Group | 1 |
5y1056 Filler Gp-Mounting
| 5Y***56 | Filler & Mtg Group-Hydraulic Oil | 1 |
3g339 Filter Group
| 3G***39 | Filter Group-Hydraulic Oil | 1 |
7k129 Hydraulic Tank Guard Group
| 7K***29 | Guard Group-Tank | 1 |
8k5558 Hydraulic Ar-Front-3 Valve
| 8J***63 | Tank & Valve Group-Hydraulic; Hydraulic Tank And Valve Group | 1 |
| 8K***58 | Hydraulic Ar-Front Attachment | 1 |
| 9K***19 | Lines Group-Hydraulic; Hydraulic Lines Group--Front | 1 |
4k4895 Joint Gp-Swivel
| 4K***95 | Joint Group-Swivel | 1 |
5k3626 Kickout Gp
| 5K***26 | Kickout Group | 1 |
5y0925 Kit-Levers
| 1G***83 | Cap-Grease | 6 |
| 1K***72 | Locknut Horn To Guard | 8 |
| 2B***06 | Bolt 12 cm(4.75 In.) Long-Location "F" | 6 |
5y0924 Kit-Lift Arm
| 1G***83 | Cap-Grease | 2 |
| 2Y***73 | Washer | 2 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 2 |
5y0926 Kit-Lift Arm
| 1G***83 | Cap-Grease | 2 |
| 2Y***73 | Washer | 2 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 2 |
7k8989 Lines Gp-Cylinder-Part 1 Of 2
| 7K***89 | Lines Group-Cylinder | 1 |
7k8989 Lines Gp-Cylinder-Part 2 Of 2
| 7K***89 | Lines Group-Cylinder | 1 |
7k8988 Tilt Cylinder Lines Group-Part 1
| 7K***88 | Lines Group-Cylinder | 1 |
7k8988 Lines Gp-Cylinder-Part 1 Of 2
| 7K***88 | Lines Group-Cylinder | 1 |
7k8988 Tilt Cylinder Lines Group-Part 2
| 7K***88 | Lines Group-Cylinder | 1 |
7k8988 Lines Gp-Cylinder-Part 2 Of 2
| 7K***88 | Lines Group-Cylinder | 1 |
7v9130 Lines Gp-Hydraulic Oil
| 7V***30 | Lines Group-Hydraulic | 1 |
9k1119 Lines Gp-Hydraulic-Part 1 Of 2
| 9K***19 | Lines Group-Hydraulic; Hydraulic Lines Group--Front | 1 |
9k1119 Lines Gp-Hydraulic-Part 2 Of 2
| 9K***19 | Lines Group-Hydraulic; Hydraulic Lines Group--Front | 1 |
7v7469 Lines Gp-Hydraulic Oil
| 7V***69 | Lines Group-Hydraulic | 1 |
6k1391 Positioner Gp-Bucket-Part 2 Of 2
| 6K***91 | Positioner Group | 1 |
6k1391 Positioner Gp-Bucket-Part 1 Of 2
| 6K***91 | Positioner Group | 1 |
6k1391 Bucket Positioner Group. Serial No. 58z1 To 58z499 Inclusive
| 6K***91 | Positioner Group | 1 |
9k4421 Pump Gp-Hydraulic
| 9K***21 | Pump Group-Hydraulic | 1 |
5y1296 Pump Gp-Double Vane
| 5Y***96 | Pump Group-Vane | 1 |
5y1297 Pump Gp-Vane
| 5Y***97 | Pump Group-Vane | 1 |
9j5049 Pump Gp-Vane
| 9J***49 | Pump Group-Vane | 1 |
4t0509 Pump Gp-Vane
| 4T***09 | Pump Group-Vane | 1 |
8v3342 Pump Gp-Double Vane
| 8V***42 | Pump Group-Vane | 1 |
8j162 Tank & Valve Gp-Hydraulic-Part 1 Of 3
| 8J***62 | Tank & Valve Group-Hydraulic | 1 |
8j162 Tank & Valve Gp-Hydraulic-Part 2 Of 3
| 8J***62 | Tank & Valve Group-Hydraulic | 1 |
8j0163 Tank & Valve Gp-Hydraulic-Part 4 Of 4
| 8J***63 | Tank & Valve Group-Hydraulic; Hydraulic Tank And Valve Group | 1 |
8j162 Tank & Valve Gp-Hydraulic-Part 3 Of 3
| 8J***62 | Tank & Valve Group-Hydraulic | 1 |
8j0163 Tank & Valve Gp-Hydraulic-Part 1 Of 4
| 8J***63 | Tank & Valve Group-Hydraulic; Hydraulic Tank And Valve Group | 1 |
8j0162 Tank & Valve Gp-Hydraulic-2 Valve-Part 2 Of 3
| 8J***62 | Tank & Valve Group-Hydraulic | 1 |
8j0162 Tank & Valve Gp-Hydraulic-2 Valve-Part 3 Of 3
| 8J***62 | Tank & Valve Group-Hydraulic | 1 |
8j0163 Tank & Valve Gp-Hydraulic-Part 2 Of 4
| 8J***63 | Tank & Valve Group-Hydraulic; Hydraulic Tank And Valve Group | 1 |
8j0162 Tank & Valve Gp-Hydraulic-2 Valve-Part 1 Of 3
| 8J***62 | Tank & Valve Group-Hydraulic | 1 |
8j0163 Tank & Valve Gp-Hydraulic-Part 3 Of 4
| 8J***63 | Tank & Valve Group-Hydraulic; Hydraulic Tank And Valve Group | 1 |
9j5838 Actuator Valve Group
| 9J***38 | Valve Group-Actuator | 1 |
9j7035 Control Valve Group-Part 1
| 9J***35 | Valve Group-Control | 1 |
9j7035 Control Valve Group-Part 2
| 9J***35 | Valve Group-Control | 1 |
6j4692 Valve Gp-Internal Auxiliary
| 6J***92 | Valve Group-Internal Auxiliary | 1 |
9j638 Relief Valve Group
| 9J***38 | Valve Group-Relief | 1 |
3g9895 Valve Gp-Relief
| 3G***95 | Valve Group-Relief | 1 |
6j8272 Valve Gp-Relief
| 6J***72 | Valve Group-Relief | 1 |
7j3975 Relief Valve Group
| 7J***75 | Valve Group-Relief | 1 |
Implements
2y5515 Bucket As-General Purpose-3.1 M3 (4 Yd.3)-2921 Mm (115 : ) Wide
| 2Y***15 | Bucket As-General Purpose | 1 |
9v3421 Bucket As-Rock Loading
| 9V***21 | Bucket As-Rock | 1 |
6k1007 Bucket As-Rock Loading
| 6K***07 | Rock Loading Bucket Assembly | 1 |
8j5038 Tooth Gp-One Piece
| 8J***38 | Tooth Group | 1 |
Lubrication System
8n4457 Base Gp-Oil Filter
| 8N***57 | Base Group-Oil Filter; Base Group-Engine Oil Filter | 1 |
1p4244 Breather Gp
| 1P***44 | Breather Group | 1 |
2y8080 Cooler Gp-Filter Base & Engine Oil
| 2Y***80 | Cooler Group-Filter Base & Eng Oil; Cooler Gp-Filter Base & Engine Oil | 1 |
2y7979 Cooler Gp-Filter Base & Engine Oil
| 2Y***79 | Cooler Group-Filter Base & Eng Oil; Cooler Gp-Filter Base & Engine Oil | 1 |
2p6855 Filler Gp-Engine Oil
| 2P***55 | Filler Group-Oil | 1 |
2p6475 Filter Gp-Engine Oil
| 2P***75 | Filter Group-Engine Oil; Oil Filter Group (10z1 ~ 10z7023) | 1 |
2y6278 Fumes Disposal Gp
| 2Y***78 | Fumes Disposal Group; Fumes Disposal Group | 1 |
8n7254 Fumes Disposal Gp
| 8N***54 | Fumes Disposal Group | 1 |
2p6105 Lines Gp-Oil
| 2P***05 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
6n2642 Pump Gp-Engine Oil
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 1 |
| 1P***46 | Washer-Hard; (10.2x35x6-mm Thk) | 1 |
| 2P***85 | Pump Group-Engine Oil | 1 |
2p1784 Pump Gp-Engine Oil
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
2p1785 Pump Gp-Oil*R
| 2P***85 | Pump Group-Engine Oil | 1 |
4w2448 Pump Gp-Engine Oil*R
| 4W***48 | Pump Group-Engine Oil; Pump Gp-Engine Oil Gear | 1 |
Power Train-Power Transmission Unit
8k6510 Brake & Axle Gp-Front
| 8K***10 | Brake & Axle Group-Front | 1 |
8k6511 Brake & Axle Gp-Rear
| 8K***11 | Brake & Axle Group-Rear | 1 |
5k4984 Brake As
| 5K***84 | Brake As | 1 |
8r1928 Brake Gp-Service
| 8R***28 | Brake Group-Service | 1 |
3t5952 Case & Parts Gp-Part 1 Of 2
| 3T***52 | Case & Parts Group-Planetary | 1 |
3t5952 Case & Parts Gp-Part 2 Of 2
| 3T***52 | Case & Parts Group-Planetary | 1 |
3t5869 Clutch Gp
| 3T***69 | Clutch Group; Clutch Group--No. 3 | 1 |
3t5868 Clutch Gp
| 3T***68 | Clutch Group; Clutch Group-Forward & No. 1 | 1 |
3t5867 Clutch Gp
| 3T***67 | Clutch Group; Clutch Group--Reverse & No. 2 | 1 |
8v3320 Control Gp-Transmission-Part 2 Of 3
| 8V***20 | Control Group-Transmission | 1 |
8v3320 Control Gp-Transmission-Part 1 Of 3
| 8V***20 | Control Group-Transmission | 1 |
8v3320 Control Gp-Transmission-Part 3 Of 3
| 8V***20 | Control Group-Transmission | 1 |
3t5951 Control Gp-Transmission
| 3T***51 | Control Group-Transmission; Transmission Control Group | 1 |
7v8930 Control Gp-Ratio Selector Transmission
| 7V***30 | Control Group-Transmission | 1 |
7t6186 Control Gp-Transmission
| 7T***86 | Control Group-Transmission | 1 |
8p3043 Control Gp-Transmission Hydraulic
| 8P***43 | Control Group-Transmission Hydraulic; Transmission Hydraulic Control Group | 1 |
3t8379 Covers Gp-Shipping
| 3T***79 | Cover Group-Shipping; Covers Gp-Shipping | 1 |
1v5724 Differential Gp
| 1V***24 | Differential Group | 1 |
3t4620 Drive Gp-Transfer-Part 2 Of 2
| 3T***20 | Drive Group-Transfer | 1 |
3t4620 Drive Gp-Transfer-Part 1 Of 2
| 3T***20 | Drive Group-Transfer | 1 |
7v8929 Filler Gp-Powertrain Oil
| 7V***29 | Filler Group-Power Train Oil | 1 |
7v9180 Filler Gp-Powertrain Oil
| 7V***80 | Filler Group-Power Train Oil | 1 |
7v7560 Filter & Lines Gp-Transmission
| 7V***60 | Filter & Lines Group-Transmission | 1 |
9v4510 Filter & Lines Gp
| 9V***10 | Filter & Lines Group-Transmission | 1 |
2y8893 Filter & Lines Gp-Transmission
| 2Y***93 | Filter & Lines Group-Transmission | 1 |
6p2091 Filter Gp-Transmission
| 6P***91 | Filter Group-Transmission | 1 |
2s6457 Filter Gp-Transmission
| 2S***57 | Filter Group-Transmission; (Transmission) | 1 |
8k6512 Bevel Gear & Differential Gp-Front
| 8K***12 | Front And Rear Differential And Carrier Group | 1 |
3t5950 Gear Gp-Output
| 3T***50 | Gear Group-Output; Output Gear Group | 1 |
7v8958 Guard Gp-Drive Shaft
| 7V***58 | Guard Group-Drive Shaft | 1 |
5y1575 Kit-Differential
| 1H***38 | Cup-Roller Bearing; (Lh & Rh) | 2 |
| 1J***60 | Cup-Bearing; (Tapered) | 1 |
| 2B***57 | Cork 1.27 cm(.5 In.) Diameter | 4 |
5y1573 Kit-Differential
| 1H***38 | Cup-Roller Bearing; (Lh & Rh) | 1 |
| 1J***60 | Cup-Bearing; (Tapered) | 1 |
| 2B***57 | Cork 1.27 cm(.5 In.) Diameter | 4 |
3t6130 Lines Gp-Transmission Oil
| 3T***30 | Lines Group-Transmission Oil; Transmission Oil Lines Group | 1 |
7g4852 Case & Covers Gp-Transmission-Part 1 Of 2
| 7G***52 | Parts & Case Group-Planetary; Transmission Case And Covers Group | 1 |
7g4852 Case & Covers Gp-Transmission-Part 2 Of 2
| 7G***52 | Parts & Case Group-Planetary; Transmission Case And Covers Group | 1 |
7t9087 Planetary Gp-Part 3 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Transmission-Part 4 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Part 2 Of 2
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Part 4 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Transmission-Part 3 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Transmission-Part 2 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Part 1 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
6y8020 Planetary Gp-Part 1 Of 2
| 6Y***20 | Planetary Group; Planetary Gp-Transmission | 1 |
6y8020 Planetary Gp-Part 2 Of 2
| 6Y***20 | Planetary Group; Planetary Gp-Transmission | 1 |
7t9087 Planetary Gp-Part 1 Of 2
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Part 2 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
7t9087 Planetary Gp-Transmission-Part 1 Of 4
| 7T***87 | Planetary Group; Planetary Transmission Group | 1 |
3t5934 Pump & Gear Gp
| 3T***34 | Pump & Gear Group-Tc; Pump & Gear Group | 1 |
6t3651 Pump Gp-Transmission Gear
| 6T***51 | Pump Group-Transmission | 1 |
1v7452 Rim Group-23.5 X 25 Tubeless Tires-4 Required
| 1V***52 | Rim Group; Rim Group | 1 |
7v7498 Drive Shaft Gp
| 7V***98 | Shaft Group-Drive | 1 |
7v9115 Drive Shaft Gp
| 7V***15 | Shaft Group-Drive | 1 |
3t5617 Bearing Shim Gp
| 3T***17 | Shim Group-Bearing | 1 |
| 6T***38 | Shim (2.8 mm Thick) | 1 |
| 6T***39 | Shim (2.6 mm Thick) | 1 |
3t8515 Shim Gp-Bearing
| 3T***15 | Shim Group-Bearing | 1 |
| 6T***29 | Shim (1 Thick) | 1 |
| 6T***30 | Shim (1.1 Thick) | 1 |
3t8516 Shim Gp-Bearing
| 3T***16 | Shim Group-Bearing | 1 |
| 6T***28 | Shim (0.5 Thick) | 1 |
| 6T***29 | Shim (1 Thick) | 1 |
3t5837 Shim Gp-Bearing
| 3T***37 | Shim Group-Bearing | 1 |
| 6T***15 | Shim (1.4 mm Thick) | 1 |
| 6T***16 | Shim (1.3 mm Thick) | 1 |
7v7470 Support Gp-Transmission
| 7V***70 | Support Group-Transmission | 1 |
7v9067 Support Gp-Transmission
| 7V***67 | Support Group-Transmission | 1 |
Tires-4 Required
| 5K***90 | Tire-23.5 X 25 Traction Tread Tubeless | 0 |
| 8K***67 | Tire-23.5 X 25 Rock Tread Tubeless | 0 |
1t1740 Torque Converter Gp
| 1T***40 | Torque Converter Group | 1 |
1t1605 Torque Converter Gp
| 1T***05 | Torque Converter Group; Torque Converter Group | 1 |
3t4587 Torque Converter Gp-With Housing
| 3T***87 | Torque Converter Group; Torque Converter Gp-With Housing | 1 |
1t1614 Torque Converter Gp
| 1T***14 | Torque Converter Group | 1 |
3t1786 Transmission Ar
| 1T***05 | Torque Converter Group; Torque Converter Group | 1 |
| 3T***86 | Transmission Ar | 1 |
| 3T***67 | Clutch Group; Clutch Group--Reverse & No. 2 | 1 |
7t9468 Transmission Ar
| 2P***75 | Valve Group-Relief; Valve Gp-Pressure Relief | 1 |
| 3T***87 | Torque Converter Group; Torque Converter Gp-With Housing | 1 |
| 3T***20 | Drive Group-Transfer | 1 |
7k7613 Universal Joint Gp
| 7K***13 | Universal Joint Group | 1 |
8p3042 Valve Gp-Selector & Press Cont
| 8P***42 | Valve Group | 1 |
8p3040 Valve Gp-Neutralizer
| 8P***40 | Valve Group-Neutralizer | 1 |
2p3675 Valve Gp-Relief
| 2P***75 | Valve Group-Relief; Valve Gp-Pressure Relief | 1 |
2p3675 Valve Gp-Pressure Relief
| 2P***75 | Valve Group-Relief; Valve Gp-Pressure Relief | 1 |
8p3041 Valve Gp
| 8P***41 | Valve Group-Selector & Press Cont | 1 |
8k6467 Wheel & Final Drive Gp-4 Required
| 8K***67 | Wheel & Final Drive Group | 1 |
Service Equipment And Supplies
Gasket Kits
| 5P***68 | Kit-Gasket; (Single Cylinder Liner)(Single Cylinder Liner) | 0 |
| 5P***98 | Water Pump (Effective With Serial No. 44v22485~44v23615); Water Pump (Effective With Serial No. 43v18854~43v20046) | 0 |
| 6V***53 | Valve Grinding Serial No. 3n69600 To 3n79762 Inclusive | 0 |
8f9866 Grease Gun
| 8F***66 | Grease Gun As | 1 |
Name Plates And Transfers
| 1S***46 | Film; -Warning: 1 -On Front Vertical Face Of Platform(R.H.) 1 - On Fuel Tank | 2 |
| 2Y***71 | Film Warning Near Radiator Filler Cap On Top Of Radiator Guard | 1 |
| 2Y***43 | Film-Warning-On Brake Chambers | 4 |
2y2576 Tool Gp
| 2Y***76 | Tool Group-Hand | 1 |
Starting And Electrical System
2y2936 Alternator Gp
| 2Y***36 | Alternator Group-Charging | 1 |
2y8940 Alternator Gp-21 Ampere
| 2Y***40 | Alternator Group-Charging | 1 |
2y4212 Alternator Gp-28 Volt, 17 Ampere
| 2Y***12 | Alternator Group-Charging | 1 |
2y8310 Alternator Gp-21 Ampere
| 2Y***10 | Alternator Group-Charging | 1 |
2y6452 Alternator Gp-28 Volt, 17 Ampere
| 2Y***52 | Alternator Group-Charging | 1 |
5y0006 Battery & Wiring Gp-Part 1 Of 2
| 5Y***06 | Battery & Wiring Group | 1 |
7v8886 Battery & Wiring Gp-Part 2 Of 3
| 7V***86 | Battery & Wiring Group | 1 |
5y0021 Battery & Wiring Gp-Part 2 Of 2
| 5Y***21 | Battery & Wiring Group | 1 |
7v8886 Battery & Wiring Gp-Part 1 Of 3
| 7V***86 | Battery & Wiring Group | 1 |
7v8886 Battery & Wiring Gp-Part 3 Of 3
| 7V***86 | Battery & Wiring Group | 1 |
5y0021 Battery & Wiring Gp-Part 1 Of 2
| 5Y***21 | Battery & Wiring Group | 1 |
5y0006 Battery & Wiring Gp-Part 2 Of 2
| 5Y***06 | Battery & Wiring Group | 1 |
5s8501 Glow Plug Gp
| 5S***01 | Glow Plug Group; Glow Plug And Wiring Group | 1 |
2y6749 Harness Assembly-Part 1 Of 3
| 2Y***49 | Harness As | 1 |
2y6749 Harness Assembly-Part 2 Of 3
| 2Y***49 | Harness As | 1 |
2y6749 Harness Assembly-Part 3 Of 3
| 2Y***49 | Harness As | 1 |
7m7147 Lamp As-Combination Stop & Tail-24 Volt
| 7M***47 | Lamp As-Stop & Tail | 1 |
7m7147 Lamp As-Combination Stop & Tail
| 7M***47 | Lamp As-Stop & Tail | 1 |
1m3387 Lamp As-Dash-24 Volt
| 1M***87 | Lamp Group | 1 |
2y4477 Lamp Gp
| 2Y***77 | Lamp Group-Flood | 1 |
2y6752 Lighting Gp-Front
| 2Y***52 | Lighting Group-Front | 1 |
3v4038 Lighting Gp-Front
| 3V***38 | Lighting Group-Front | 1 |
2y4861 Lighting Gp-Rear
| 2Y***61 | Lighting Group-Rear | 1 |
2y6754 Lighting Gp-Rear
| 2Y***54 | Lighting Group-Rear | 1 |
7v9146 Lines Gp-Torque Converter Cooler
| 7V***46 | Lines Group-Torque Conv Cooler | 1 |
7v7557 Lines Gp-Torque Converter Cooler
| 7V***57 | Lines Group-Torque Conv Cooler | 1 |
2y2930 Regulator As
| 2Y***30 | Regulator As; (Separate Illustration) | 1 |
2y1920 Starting Motor Gp-Electric-24 Volt
| 2Y***20 | Starting Motor Group-Electric | 1 |
2y1921 Starting Motor Gp-Electric
| 2Y***21 | Starting Motor Group-Electric | 1 |
7n0718 Switch As-Disconnect
| 7N***18 | Switch As-Disconnect; -Battery-Ground Level | 1 |
3k1650 Switch As-Dash Light
| 3K***50 | Switch As-Light; -Floodlights | 1 |
7n4160 Switch Gp-Heat Start
| 7N***60 | Switch Group | 1 |
2y2185 Wiring Gp
| 2Y***85 | Wiring Group | 1 |
Steering And Braking System
9k0885 Chamber As-Brake
| 9K***85 | Actuator Group-Brake | 1 |
8r2488 Actuator Gp-Brake
| 8R***88 | Actuator Group-Brake | 1 |
2y7907 Chamber As-Brake
| 2Y***07 | Chamber As-Brake | 1 |
7v8932 Control Gp-Air & Brake-Part 2 Of 5
| 7V***32 | Control Group-Air & Brake | 1 |
7v8932 Control Gp-Air & Brake-Part 4 Of 5
| 7V***32 | Control Group-Air & Brake | 1 |
7v8932 Control Gp-Air & Brake-Part 3 Of 5
| 7V***32 | Control Group-Air & Brake | 1 |
7v8932 Control Gp-Air & Brake-Part 5 Of 5
| 7V***32 | Control Group-Air & Brake | 1 |
7v8932 Control Gp-Air & Brake-Part 1 Of 5
| 7V***32 | Control Group-Air & Brake | 1 |
8v3295 Control Gp-Brake-Part 2 Of 5
| 8V***95 | Control Group-Brake | 1 |
8v3295 Control Gp-Brake-Part 5 Of 5
| 8V***95 | Control Group-Brake | 1 |
8v3295 Control Gp-Brake-Part 3 Of 5
| 8V***95 | Control Group-Brake | 1 |
8v3295 Control Gp-Brake-Part 1 Of 5
| 8V***95 | Control Group-Brake | 1 |
8v3295 Control Gp-Brake-Part 4 Of 5
| 8V***95 | Control Group-Brake | 1 |
2y5534 Control Gp-Steering
| 2Y***34 | Control Group-Steering | 1 |
4v2973 Control Gp-Steering-Part 1 Of 2
| 4V***73 | Control Group-Steering | 1 |
4v2973 Control Gp-Steering-Part 2 Of 2
| 4V***73 | Control Group-Steering | 1 |
2y3790 Horn As-Air
| 2Y***90 | Horn Group-Air | 1 |
7v8880 Air Horn Group
| 7V***80 | Horn Group-Air | 1 |
7v9228 Lines Gp-Steering Oil-Part 2 Of 2
| 7V***28 | Lines Group-Steering | 1 |
7v9228 Lines Gp-Steering Oil-Part 1 Of 2
| 7V***28 | Lines Group-Steering | 1 |
2v4053 Lines Gp-Steering Oil-Part 1 Of 2
| 2V***53 | Lines Group-Steering Oil | 1 |
2v4053 Lines Gp-Steering Oil-Part 2 Of 2
| 2V***53 | Lines Group-Steering Oil | 1 |
2y6400 Pump Gp-Steering Column
| 2Y***00 | Pump & Steering Column Group | 1 |
2y6399 Pump Gp-Metering-Steering
| 2Y***99 | Pump Group-Metering | 1 |
3g7387 Pump Gp-Metering
| 3G***87 | Pump Group-Metering | 1 |
4d2287 Valve Assembly
| 4D***87 | Valve As; -Parking, Service | 1 |
2y7104 Valve As-Brake Foot Control
| 2Y***04 | Valve As-Brake Foot Control | 1 |
2r617 Brake Foot Control Valve Assembly
| 2R***17 | Valve As-Brake Foot Control | 1 |
3d9943 Valve Gp-Air Horn
| 3D***43 | Valve As-Horn | 1 |
7k2738 Park & Emergency Valve Assembly
| 7K***38 | Valve As-Park & Secondary; (Park & Secondary) | 1 |
1u4050 Valve Group
| 1U***50 | Valve Group | 1 |
8j1553 Neutralizer Valve Group
| 8J***53 | Valve Group-Neutralizer; -Command Control Steering | 1 |
1u4051 Steering Valve Group
| 1U***51 | Valve Group-Steering | 1 |
966R serial number reference
Pre-2001 Cat machines use an 8-character PIN: a 3-character prefix followed by a 5-digit machine sequence number. On Cat full-size wheel loaders like the 966R, the plate sits on the left (highway) side of the machine, behind the front tire; the matching stamped serial number is close to the plate and can be obscured by paint. Read the first three characters as the prefix (model/build block) and the remaining five digits as the individual machine sequence.
| Prefix | Identifies | Notes |
|---|---|---|
| 58Z | 966R wheel loader, Cat 3306 diesel engine | Sole documented serial prefix block for the 966R. Covers 58Z00001 and up; no upper break published, consistent with a single continuous production run. Plant/region and exact build years are not documented in available parts and service literature - confirm build year and plant with your dealer using the full PIN. |
Frequently asked questions
What engine does the Caterpillar 966R wheel loader use?
The 966R is powered by a Caterpillar 3306 in-line six-cylinder diesel in naturally aspirated form, rated at roughly 170.4 hp (127 kW) gross with about 10.5 L (640.8 cu in) displacement. It is mechanically governed, with no ECM and no electronic fault codes, and matches the driveline generation used in the contemporary 966C rather than the later turbocharged 3306 DIT fitted to the 966D and 966F.
What is the operating weight of the Caterpillar 966R?
Operating weight is about 16,733 kg (36,890 lb), with a static tipping load of roughly 12,674 kg (27,941 lb) on a general-purpose bucket. Exact figures vary slightly with bucket type, counterweight, and tire configuration.
What replaced the Caterpillar 966R?
Caterpillar's 966 nameplate moved on to turbocharged 3306 DIT power in the D and F-series loaders, then to electronically controlled engines from the G-series onward. The 966R itself appears to be an export or international designation tied to the 966C-era driveline rather than a standalone line in Caterpillar's mainstream catalog, so there is no single documented successor specific to the 966R name - the 966C-to-966D generation shift is the relevant reference point for parts and replacement planning.
What 966R owners discuss
What engine is under the hood of a 966R, and how does it behave compared to newer electronic Cat diesels?
The 966R runs the Cat 3306 naturally aspirated inline-six, rated around 127 kW (170 hp) gross. Fuel delivery and governing are fully mechanical - the only electrical component in the fuel system is the shutoff solenoid used for starting and stopping. Power delivery is smooth and predictable, but the governor linkage can hunt or surge at idle if it gets worn or gummed up with age. Some white-to-grey smoke on a cold start is normal for a naturally aspirated 3306 until oil temperature comes up; if it lingers well past warm-up, check injection timing and the fuel rack linkage before assuming an injector is bad. There is no ECM and no fault codes - diagnosis on this engine is by ear, smoke color, and mechanical gauge readings.
What hydraulic problems come up most often on this generation of 966 loader?
The steering control valve and brake valve, both tucked under the cab in a tight cluster of lines, are the usual leak points on machines this age and can be hard to isolate given how packed that area is. Slow or weak lift and tilt response usually traces back to a worn implement pump, a sticking control-valve spool, or air pulled in through a collapsed suction hose, more often than a bad cylinder. Foamy oil in the hydraulic tank points to a pump seal drawing air into the circuit. Steering that goes vague as the machine warms up usually means the steering valve itself needs a rebuild, not just new seals. Steering and braking are safety-critical - have your dealer verify both circuits before the machine goes back to work.
How does the torque converter and powershift drivetrain hold up as these machines age?
The powershift transmission and torque converter on this era of 966 are simple and rugged, but converter housing seals leak with age, and a leak can starve the converter of lube pressure at low RPM. Typical signs are a machine that feels weak, is slow to move off from a stop, or heats transmission oil quickly under load. Some owners note a lag engaging a gear right after a warm restart; that is usually worn shift linkage or debris in the control valve rather than a converter fault. On a machine with unknown history, watch transmission oil temperature closely - repeated pump or seal failures usually point back to overheating cycles rather than one bad part.
What wear points show up in the loader linkage and center hitch on machines this old?
This is a Z-bar loader linkage, so the lift and tilt cylinders, bucket links, and bellcrank absorb the repetitive shock loads of digging. Pins and bushings wear quickly once grease intervals slip, and play shows up first at the bellcrank and bucket-link pivots. The center articulation hitch is a known wear point on loaders of this vintage - looseness there typically means splitting the frame halves to fit new pins and bushings, which is shop work, not a field fix. Consistent, frequent greasing is the single biggest factor separating a tight old 966 from a sloppy one.
Are there common electrical or sensor issues on this loader?
Not much to go wrong, since this is a pre-electronic machine. It uses a 24V charging system, a brush-type alternator, and analog gauges for oil pressure, water temperature, and fuel - no ECM and no diagnostic sensors to chase. Most complaints that get blamed on "electrical" trace back to corroded battery cable ends, a tired alternator, or a failed gauge sender rather than wiring or control electronics. If the engine won't shut off cleanly or hunts at idle, check the fuel shutoff solenoid and its wiring first, since that is the one electrical part in the fuel system.
Why is so little written online about the 966R specifically compared to the 966C or 966D?
The 966R appears to have been a lower-volume, possibly export-market designation built during the same era as the mechanically similar 966C loaders, sharing the naturally aspirated 3306 and comparable powertrain. Because far fewer were sold than the mainstream lettered 966 series, published specs and troubleshooting discussion for the 966R by name are thin. The most reliable reference material is the factory service and parts manual tied to the machine's own serial prefix rather than general "966" write-ups, since running-gear and hydraulic details can differ between the lettered series and the R.
What should I check before buying a used 966R?
Start with maintenance and grease records - inconsistent greasing is the biggest hidden cost on a loader this age. Walk the frame looking for cracks or weld repairs, then check the center articulation hitch for play. Start the engine cold and watch smoke color and how long it takes to clear; once warm, listen for surging or hunting at idle, a sign of governor linkage wear. Cycle the lift and tilt through full travel under load to check for weak or slow response, and look for oil weeping around the steering and brake valve cluster under the cab. Test-drive through all gears in both directions to confirm the torque converter and transmission engage cleanly without excessive slip or heat buildup. Because records for a specific 966R by serial prefix are hard to find, confirm the machine's actual configuration against its own serial tag rather than assuming it matches general 966 specs. Steering and brakes are safety-critical - have your dealer verify both before putting the machine into service.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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