Caterpillar CB-614
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar CB-614 is a double-drum (tandem) vibratory asphalt/paving compactor, introduced in the mid-to-late 1980s (circa 1987) and built under serial prefix 7CD into the early 1990s. It runs the Cat 3208 naturally aspirated diesel V8, a mechanical-injection engine with no electronic controls, rated at roughly 116 kW (155 hp) gross; some listings cite figures up to 175 hp, which reads as a rating or configuration variance rather than a confirmed factory figure for this exact model. Operating weight sits around 11,340 kg (25,000 lb), with twin smooth steel drums about 1980-2000 mm (78 in) wide serving as the machine's sole, fixed work tool - there is no interchangeable-attachment or quick-coupler system on this chassis. Caterpillar offered the model as the base CB-614 (serials 7CD00001-00115) and then, on the same serial run, redesignated it CB-614B (7CD00116-up) with the same engine and drum width. No distinct predecessor model name is confirmed in available sources, and this machine predates today's metric-ton-class Cat tandem roller line.
The only documented change across the CB-614 family is the mid-run relabeling to CB-614B - same 3208 engine, same drum width - which reads as a running production update rather than a mechanical redesign. The bigger shift came after this model line ended: Caterpillar's tandem asphalt-roller business moved to different model numbering (today's CB7 through CB16-class machines) with electronically controlled engines, standard ROPS, and multi-function propel controls, a wide technology gap from this mechanical, gauge-and-lamp machine. No confirmed direct-successor model name ties back to the CB-614B specifically; Caterpillar's tandem asphalt-roller line simply continued under different numbering. In today's used and parts market, the CB-614 matters mainly as a low-cost, mechanically simple entry point into asphalt compaction: no ECM to fail, no CID/FMI fault codes to chase, and a powertrain and hydraulic architecture that overlaps with Caterpillar's broader 1980s compactor lineup for parts and service knowledge, even though dedicated CB-614 documentation is scarce.
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 CB-614 specifications
Engine
| Model | Cat 3208 naturally aspirated diesel, V8 configuration |
| Gross power | 116 kW (155 hp) |
| Net power | Not published for this model |
| Displacement | 10.4 L (635 cu in) |
| Cylinders | 8 (V8, standard for the 3208 engine family) |
| Emissions tier | Pre-emissions mechanical diesel; predates EPA nonroad Tier standards (1980s-era production) |
Weights
| Operating weight | 11,340 kg (25,000 lb) |
| Shipping weight | Not published separately from operating weight |
| Ground pressure | Not published |
Dimensions
| Transport length | 5.59 m (18 ft 4 in) |
| Transport width | 2.44 m (8 ft 0 in) |
| Transport height (to top of cab) | 2.54 m (8 ft 4 in) |
| Wheelbase (drum-to-drum spacing) | approx. 3.86 m (12 ft 8 in) - figure inconsistent across sources, treat as approximate |
| Ground clearance | 387 mm (15.2 in) |
| Drum width | 1.98 m (78 in), front and rear |
| Drum diameter | 1.37 m (54.1 in) |
Performance
| Maximum travel speed | 11.4 km/h (7.1 mph) |
| Vibration frequency | 38 Hz (approx. 2,280 vpm) |
| Centrifugal force, high amplitude | 93.4 kN (21,000 lbf) |
| Gradeability | Not published |
Service capacities (summary)
| Fuel tank | 303 L (80.1 gal) |
| Hydraulic system | 170 L (45 gal) |
| Engine oil | 11.4 L (3 gal) |
| Cooling system | Not published |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CB-614 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 11.4 L (3.0 US gal) | Cat diesel engine oil (Cat DEO / DEO-ULS multigrade). Grade by ambient temperature per Cat's chart for the 3208 diesel: SAE 10W below freezing, SAE 30 in moderate climates, SAE 15W-40 as an all-season multigrade, SAE 40 in sustained heat. Engine is the Cat 3208 diesel; gross rating sits in the mid-150 hp range, though this model line is also referenced up to 175 hp depending on series/rating — varies by configuration. |
| Cooling system | Not listed in the surviving specification data for this model — confirm against the machine OMM or a dealer before servicing. | Cat coolant/antifreeze mixed 50/50 with clean water. Era-correct factory fill is Cat's conventional Diesel Engine Antifreeze/Coolant (DEAC); Cat Extended Life Coolant (ELC) is the modern service replacement. |
| Fuel tank | 303 L (80.1 US gal) | No. 2-D diesel fuel meeting Cat's engine fuel specification (ASTM D975 equivalent, minimum cetane 40). Use a winter-blend or treated fuel below freezing to prevent waxing. |
| Hydraulic system (tank) | 170 L (45.0 US gal) | Cat TDTO (Transmission and Drive Train Oil) fills the combined hydrostatic-propel/vibratory hydraulic circuit — this compactor has no separate powertrain sump. Grade by ambient temperature: TDTO 10W in cold weather, TDTO 30 in moderate climates, TDTO 50 in sustained heat. Cat HYDO Advanced is the modern-era equivalent fluid. |
| Grease (chassis, articulation joint, drum/eccentric-weight bearings) | Spec only — no reservoir capacity | Cat Multipurpose Grease, NLGI 2, lithium-complex base with extreme-pressure additive. Apply at the articulation hitch, drum bearings, and eccentric-weight (vibratory) bearings on the standard regrease interval. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar CB-614 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 |
|
Servicing the CB-614 beyond the schedule
Predictive Maintenance & Fluid Analysis
With no ECM on the naturally aspirated 3208, this machine has no telematics or digital fault history - oil and hydraulic fluid sampling is the real predictive tool. Trend engine oil for coolant intrusion (a head-gasket warning sign) and for metal content from worn main or rod bearings. Because propel and vibratory drive share one hydraulic reservoir, sample the Cat TDTO for water and wear metal to catch drive-pump or drum-motor degradation before it strands the roller. Watch exhaust manifold risers visually each shift; corrosion there is a known naturally-aspirated 3208 weak point with no sensor to flag it.
Corrective & Common Repairs
Most CB-614 complaints trace to fuel delivery, not the drum or vibratory system: hard starting from a weak primer pump or fuel shutoff solenoid, and idle instability from injection linkage rather than the governor. On the drive side, creeping or grade-loss under load usually means a worn hydrostatic drive pump or drum motor losing volumetric efficiency, since this era has no electronic control fault to chase. Drum-side repairs center on scraper bar adjustment and clogged spray nozzles causing asphalt pickup, plus regreasing worn drum or eccentric-weight bearings before shaft play turns into damage.
Overhaul & Rebuild Points
Drum and eccentric-weight bearings on this vintage roller are grease-lubricated rather than sealed, so plan a bearing inspect-and-replace cycle instead of running to failure. The naturally aspirated 3208's mechanical injection pump and governor control shaft seal are the other high-hour rebuild items; seepage past the seal beyond normal weep calls for replacement. Head gasket failure tied to past overheating and worn main/rod bearings causing low oil pressure are the two most common top-end rebuild triggers on this engine. Budget for hydrostatic pump/motor rebuilds as the shared hydraulic reservoir ages.
Seasonal & Environmental Servicing
Cold-weather starts on the naturally aspirated, mechanically injected 3208 need winter-blend or treated No. 2-D fuel and the correct seasonal Cat DEO grade; there is no glow-plug or ether-start electronics to fall back on if fuel waxes. Flush the water spray tank and nozzles at season changeover to clear algae or mineral buildup from storage, and drain the system before freezing weather to prevent cracked lines. In hot, dusty paving environments, check air filter restriction and hydraulic oil temperature more often, since the shared propel/vibratory reservoir has no separate cooling circuit to fall back on.
CB-614 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure - Low (red lamp, oil-can symbol) | Engine oil pressure has dropped below the safe operating threshold monitored by the pressure switch. | Low oil level, worn oil pump, plugged filter or relief valve, or excessive bearing clearance. | Stop the engine, check oil level and filter condition, then confirm actual pressure with a mechanical gauge before restarting. |
| Engine Coolant Temperature - High (red lamp, thermometer symbol) | Coolant temperature has exceeded the safe operating range. | Low coolant, blocked radiator core or debris screen, failing water pump, slipping fan belt, or a leaking head gasket. | Idle down and let temperature stabilize, check coolant level and radiator for debris, then inspect water pump, belt, and thermostat. |
| Alternator / Charging System (amber or red lamp, battery symbol) | Charging circuit voltage is outside normal range. | Loose or worn drive belt, failing alternator, corroded battery terminals, or a wiring fault. | Check belt tension and condition, test alternator output at the battery, and inspect wiring and terminal connections. |
| Hydraulic Oil Temperature - High (gauge or lamp) | Propel or vibratory hydraulic oil has exceeded safe operating temperature. | Low hydraulic fluid level, restricted oil cooler, a relief valve stuck open, or a worn pump. | Shut down and let the system cool, check fluid level and cooler fins for blockage, and inspect the relief valve. |
| Air Cleaner Restriction (indicator flag or lamp) | Intake air filter restriction has reached the service limit. | Dirty or clogged air filter element, or a collapsed intake hose. | Service or replace the air filter element and reset the restriction indicator. |
| Parking Brake Applied (lamp) | The spring-applied, hydraulically released drum brake is set. | Brake intentionally applied, or loss of hydraulic release pressure preventing the brake from releasing. | Confirm brake control position, then check hydraulic release pressure and brake linkage if the brake will not release. |
| No lamp/code - Hard Starting or No-Start | Engine cranks normally but is slow to start, needs starting fluid, or will not fire; treated as a mechanical fault, not an electronic code. | Air trapped in the fuel system, a worn fuel transfer pump, water-contaminated fuel, or worn injection pump/injectors. | Check fuel filters and lines for air, use the hand primer to bleed the system, and pressure-test the transfer pump if bleeding does not resolve it. |
| No lamp/code - Excess Black or Grey Exhaust Smoke | Engine is over-fueling relative to available combustion air; a mechanical symptom rather than a stored code. | Restricted air intake or dirty filter, injection pump timing out of specification, or worn injectors. | Check air filter restriction first, then verify injection pump timing and test injectors and compression. |
| No lamp/code - White Exhaust Smoke | Unburned fuel or coolant is passing into the exhaust; a mechanical symptom rather than a stored code. | Cracked cylinder head or head gasket allowing coolant into the combustion chamber, a cracked injector, or prolonged cold-engine operation. | Check coolant level trend and oil for contamination, pressure-test the cooling system, and inspect injectors. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
CB-614 attachments & work tools
Drum / compaction tool (primary work tool)
The CB-614 is a double-drum (tandem) vibratory asphalt compactor. The twin smooth steel drums are the machine's only working tool and are integral to the chassis, not a bolt-on implement. Reported drum width is around 2000 mm (78 in) each, with a class operating weight near 11.3 t (25,000 lb); treat both figures as approximate for this vintage unit since factory literature is scarce.
Coupler / mounting system
This class of tandem asphalt roller has no quick-coupler or interchangeable-tool interface like a loader or excavator. Drum shells are fixed to the drum frame. Bolt-on padfoot or scraper-bar shell kits exist for Cat single-drum soil compactors (CS/CP series) but are not documented for this tandem asphalt chassis.
Vibratory / amplitude arrangement
Selectable vibration per drum is standard across this compactor class; amplitude and frequency settings vary by configuration. As a 1987-era unit, the CB-614 would use mechanical lever controls rather than the electronic multi-function propel handle fitted to later CB-series tandem rollers.
Water spray / drum-cleaning kit
A pressurized water spray system paired with scraper bars keeps asphalt from sticking to the drums. This arrangement, with filtration at the fill point, pump, and nozzles, is standard equipment across this compactor class rather than an optional add-on.
Edge cutter (optional)
A height-adjustable edge-cutting attachment for working tight against curbs and walls is a recognized factory option on Cat's tandem vibratory roller line. Fitment on the CB-614 specifically is not confirmed in surviving literature for this model; treat as class-typical rather than verified for this unit.
Operator protection - ROPS/canopy
Open ROPS or a full canopy structure is offered as a factory configuration on this compactor class, and used-equipment listings show both arrangements. Whether ROPS or canopy was standard versus optional on the CB-614's original build sheet is not preserved in available documentation.
Ballast option
Some machines in this weight class offer drum-mounted ballast kits to raise static linear load for extra compaction performance. This is not confirmed as a factory-listed option specifically for the CB-614; note it as a class-level possibility only.
Engine / powertrain note
The CB-614 is powered by the Cat 3208 naturally aspirated diesel (V8), the same base engine shared with the follow-on CB-614B and related CS-551, CS-553, CP-553, and PS-500 compactors per factory parts cross-reference. This is a powertrain note, not a separate work tool, but relevant since service kits are shared across that family.
All CB-614 assemblies by section
Every catalogued assembly group for the Caterpillar CB-614. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessories
Platform Assembly
Seat Assembly
Basic Engine
9n0728 Camshaft Gp-Single
| 9N***28 | Camshaft Group-Single; Camshaft Group | 1 |
9l6065 Cover Gp-Cylinder Block
| 9L***65 | Cover Group-Cylinder Block; Cylinder Block Cover Group | 1 |
4n5866 Cover Gp-Flywheel Housing
| 4N***66 | Cover Group-Flywheel Housing | 1 |
9n730 Cover Gp-Valve Mechanism
| 9N***30 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
4w6972 Cover Gp-Mechanism
| 4W***72 | Cover Group-Valve Mechanism | 1 |
4w6968 Cover Gp-Valve Mechanism
| 4W***68 | Cover Group-Valve Mechanism | 1 |
2w85 Crankshaft Gp *R
| 2W***85 | Crankshaft Group | 1 |
9n6222 Crankshaft Gp
| 9N***22 | Crankshaft Group | 1 |
9n3761 Cylinder Block Gp
| 9N***61 | Cylinder Block Group; Cylinder Block Group | 1 |
7c2320 Cylinder Head As *R
| 7C***20 | Cylinder Head As | 1 |
9n1105 Cylinder Head Gp *R
| 9N***05 | Cylinder Head Group; Cylinder Head Group | 1 |
1w4241 Cylinder Head Gp*R
| 1W***41 | Cylinder Head Group | 1 |
9n5590 Pulley & Damper Gp
| 9N***90 | Damper & Pulley Group; Pulley And Damper Group | 1 |
7w5993 Drive Gp-Tachometer
| 7W***93 | Drive Group-Tachometer | 1 |
4n8851 Flywheel Gp
| 4N***51 | Flywheel Group | 1 |
4n5870 Housing Gp-Flywheel
| 4N***70 | Housing Group-Flywheel | 1 |
9n5211 Housing Gp-Front
| 9N***11 | Housing Group-Front; Front Housing Group | 1 |
4n6808 Lifting Gp-Engine
| 4N***08 | Lifting Group-Engine | 1 |
9n565 Pan Gp-Oil
| 9N***65 | Pan Group-Oil; Oil Pan Group, Serial No. 90n1 To 90n1582 Inclusive | 1 |
7c2113 Engine Related Parts
| 1N***87 | Spacer-Fan | 1 |
| 2N***93 | Hose, Radiator - Lower | 1 |
| 4N***46 | Hose, Radiator - Upper | 1 |
9n6435 Rod & Piston Gp
| 9N***35 | Piston & Rod Group | 1 |
7w3901 Rod & Piston Gp
| 7W***01 | Piston & Rod Group | 1 |
7w3900 Piston Gp
| 7W***00 | Piston Group | 1 |
2w4841 Piston Gp
| 2W***41 | Piston Group | 1 |
9n542 Seal Gp-Crankshaft
| 9N***42 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
9n3763 Service Gp-Cylinder Block
| 9L***65 | Cover Group-Cylinder Block; Cylinder Block Cover Group | 1 |
| 9N***61 | Cylinder Block Group; Cylinder Block Group | 1 |
| 9N***63 | Service Group-Cylinder Block | 1 |
9n5224 Support Gp-Engine
| 9N***24 | Support Group-Engine | 1 |
9l8790 Valve As
| 9L***90 | Valve As-Pcv | 1 |
7c6353 Valve As
| 7C***53 | Valve As-Pcv | 1 |
9n487 Valve Mechanism Gp
| 9N***87 | Valve Mechanism Group; Valve Mechanism Group | 1 |
Brakes
Brake Assembly
7x9822 Brake As
| 7X***22 | Brake Group | 1 |
Brake System
Brake System Lines & Fittings
Brake System Lines And Fittings
Brake Valve
Cooling System
7w1764 Oil Cooler & Filter Base Gp
| 7W***64 | Base Group-Oil Cooler & Filter | 1 |
9n0729 Cooler Gp-Engine Oil
| 9N***29 | Cooler Group-Engine Oil | 1 |
1w7526 Cooler Gp-Engine Oil
| 1W***26 | Cooler Group-Engine Oil | 1 |
9n733 Lines Gp-Water
| 9N***33 | Lines Group-Water; Water Lines Group | 1 |
9n3654 Pump Gp-Water
| 9N***54 | Pump Group-Water; Water Pump Group | 1 |
Drum
Front Drum Scraper Assembly
Front/Rear Drum Mounting Assembly
Front/Rear Drum Weight Assembly
Rear Drum Scraper Assembly
Engine Arrangement
1w326 Engine Ar-Part 1 Of 2
| 1W***26 | Engine Ar | 1 |
| 1W***38 | Filter Group-Engine Oil | 1 |
| 4N***66 | Cover Group-Flywheel Housing | 1 |
1w326 Engine Ar-Part 2 Of 2
| 1W***26 | Engine Ar | 1 |
| 1W***06 | Pump Group-Engine Oil | 1 |
| 4N***14 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
9e2021 Engine Arrangement
| 1W***26 | Engine Ar | 1 |
| 2N***05 | Starting Motor Group-Electric | 1 |
| 4N***51 | Flywheel Group | 1 |
Engine Installation
Battery Assembly
Engine Air Cleaner Assembly
Engine And Oil Cooling Assembly
Engine Exhaust System
Engine Fuel System
Engine Mounting Assembly
Engine Throttle Control Assembly
Pump Drive Assembly
Pump Drive System Assembly
Frame
Engine Compartment Assembly
Front Frame Assembly
Rear Frame Assembly
Steer Pivot Assembly
Fuel System And Governor
9l6743 Control Gp-Governor
| 9L***43 | Control Group-Governor; Governor And Control Group | 1 |
9n740 Drive Gp-Governor & Fuel Pump
| 9N***40 | Drive Group-Governor & Fuel Pump; Governor And Fuel Pump Drive Group | 1 |
9l6925 Fastener Gp-Fuel Pump Housing
| 9L***25 | Fastener Group-Fuel Pump Housing; Fuel System Fastener Group | 1 |
4n5868 Filter Gp--Fuel
| 4N***68 | Filter Group-Fuel; Fuel Filter Group | 1 |
9n0435 Lines Gp--Fuel Filter
| 9N***35 | Lines Group-Fuel Filter; Fuel Filter Lines Group | 1 |
7w1998 Lines Gp-Fuel Injection
| 7W***98 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
4w5800 Lines Gp-Fuel Injection
| 4W***00 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
4w5799 Lines Gp--Fuel Injection
| 4W***99 | Lines Group-Fuel Injection | 1 |
4w5798 Lines Gp-Fuel Injection
| 4W***98 | Lines Group-Fuel Injection | 1 |
9y0300 Lines Gp--Fuel Injection
| 9Y***00 | Lines Group-Fuel Injection | 1 |
9y0301 Lines Gp--Fuel Injection
| 9Y***01 | Lines Group-Fuel Injection | 1 |
4n4314 Pump Gp--Fuel Priming
| 4N***14 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
4w5607 Governor & Fuel Injection Pump Gp
| 4W***07 | Pump Group-Gov & Fuel Inj | 1 |
4w5637 Governor & Fuel Injection Pump Gp
| 4W***37 | Pump Group-Gov & Fuel Inj | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 1 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 5 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 2 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 4 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 1 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
9y491 Governor & Fuel Injection Pump Gp
| 9Y***91 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 2 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 5 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y492 Governor & Fuel Injection Pump Gp
| 9Y***92 | Pump Group-Gov & Fuel Inj | 1 |
4w5636 Governor & Fuel Injection Pump Gp *R
| 4W***36 | Pump Group-Gov & Fuel Inj | 1 |
| 4W***37 | Pump Group-Gov & Fuel Inj | 1 |
| 8M***61 | Seal (Tachometer Drive Adapter To Cover) | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 3 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 4 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 3 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
9y512 Governor & Fuel Injection Pump Gp
| 9Y***12 | Pump Group-Gov & Fuel Inj; Governor & Fuel Injection Pump Gp | 1 |
9y511 Governor & Fuel Injection Pump Gp
| 8M***61 | Seal (Tachometer Drive Adapter To Cover) | 1 |
| 8M***57 | Seal-Governor Housing To Cylinder Block | 1 |
| 9L***30 | Gasket-Cross Over Pipe | 2 |
4w5606 Governor & Fuel Injection Pump Gp
| 4W***06 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
9n6519 Separator Gp-Water
| 9N***19 | Separator Group-Water | 1 |
9n683 Shutoff Gp-Electrical
| 9N***83 | Shutoff Group-Electrical | 1 |
6t6121 Solenoid As-Shut-Off
| 6T***21 | Solenoid As-Shutoff; Shut-Off Solenoid Group | 1 |
6t4750 Solenoid As-Shut-Off
| 6T***50 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
6n3749 Solenoid As-Shut-Off
| 6N***49 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
6n9988 Solenoid Gp-Shut-Off
| 6N***49 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
| 6N***88 | Solenoid Group-Shutoff | 1 |
| 6T***50 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
6n509 Torque Control Gp
| 6N***09 | Torque Control Group | 1 |
Instruments
Instrument Panel Assembly
Intake And Exhaust System
9n3846 Adapter Gp-Air Cleaner
| 9N***46 | Adapter Group-Air Cleaner; Air Cleaner Adapter Group | 1 |
9n1069 Fitting Gp-Exhaust
| 9N***69 | Fitting Group-Exhaust | 1 |
9n735 Lines Gp-Pcv
| 9N***35 | Lines Group-Pcv; Positive Crankcase Ventilation Valve Group | 1 |
9n535 Manifold Gp-Exhaust
| 9N***35 | Manifold Group-Exhaust | 1 |
9n555 Manifold Gp-Inlet
| 9N***55 | Manifold Group-Inlet; Inlet Manifold Group | 1 |
Lubrication System
1w2638 Filter Gp-Engine Oil
| 1W***38 | Filter Group-Engine Oil | 1 |
9n2538 Gauge Gp-Engine Oil Level
| 9N***38 | Gauge Group-Oil Level (Dipstick) | 1 |
7n4303 Gauge Gp-Oil Level
| 7N***03 | Gauge Group-Oil Level (Dipstick) | 1 |
9y303 Guide Gp-Oil Level (Front)
| 9Y***03 | Guide Group-Oil Level; Guide Gp-Engine Oil Level | 1 |
7c6493 Lines Gp-Engine Oil-Front Sump
| 7C***93 | Lines Group-Engine Oil; Lines Gp-Engine Oil-Front Sump | 1 |
9n6641 Lines Gp-Engine Oil
| 9N***41 | Lines Group-Engine Oil; -Front Sump | 1 |
1w2206 Pump Gp-Oil
| 1W***06 | Pump Group-Engine Oil | 1 |
Propel
Front Propel System Lines & Fittings
Hydraulic Motor
Hydraulic Pump
Propel System
Propulsion Control Assembly
Rear Propel System Lines & Fittings
Transmission Assembly
Transmission Valve--Old Style
Transmission Valve-New Style
Service Equipment And Supplies
Decals
Hardware Identification
Wire Harnesses
| 01***14 | Harness Assembly., Back-Up Alarm | 1 |
| 02***86 | Harness Assembly., Working Lights | 1 |
| 02***87 | Harness Assembly., Working Lights | 1 |
Starting And Electrical System
4w8941 Alternator Gp
| 4W***41 | Alternator Group-Charging | 1 |
7t2096 Alternator Gp
| 7T***96 | Alternator Group-Charging | 1 |
3t2655 Starting Motor Gp-Electric *R
| 3T***55 | Starting Motor Group-Electric | 1 |
| 7T***65 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Bosch | 1 |
| 8C***48 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy | 1 |
8c3648 Starting Motor Gp-Electric
| 8C***48 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy | 1 |
2n9305 Starting Motor Gp-Electric
| 2N***05 | Starting Motor Group-Electric | 1 |
7t2265 Starting Motor Gp-Electric
| 7T***65 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Bosch | 1 |
Steering
Relief Valve
Steering Cylinder
Steering System
Steering System Lines & Fittings
Steering Valve
Vibratory
Front Vibratory System Lines & Fittings
Hydraulic Motor
Hydraulic Pump
Rear Vibratory System Lines & Fittings
Relief Valve
980223 Hydraulic Valve
| 09***23 | Valve Group | 1 |
Vibratory System
Vibratory Compactor
Vibratory Compactor
Water Spray System
Water Pump
Water Spray System
Water Spray System Lines And Fittings
CB-614 serial number reference
The PIN/serial plate is riveted to the machine frame, commonly on the front frame near the articulation hitch or on the frame rail under the operator platform. Read the first three characters as the serial number prefix, which identifies the model/production series, and the following five digits as the build sequence number for that unit within the prefix run.
| Prefix | Identifies | Notes |
|---|---|---|
| 7CD | CB-614 (base model, early production) | Serials 7CD00001 to 7CD00115. Double-drum paving compactor with 1980 mm (78 in) smooth drums, Cat 3208 diesel (V8). Mid-1980s production run. |
| 7CD | CB-614B | Serials 7CD00116-up. Same 7CD prefix carries over; unit redesignated CB-614B partway through the production run. Same Cat 3208 engine and 1980 mm (78 in) drum width as the base CB-614. |
Frequently asked questions
What engine does the Caterpillar CB-614 use?
The CB-614 runs the Cat 3208 naturally aspirated diesel V8, a mechanical-injection engine with no electronic controls, rated at roughly 116 kW (155 hp) gross. Displacement is 10.4 L (635 cu in). Some listings cite a higher rating around 175 hp; treat that as a possible source variance rather than the confirmed factory gross figure for this model.
What is the operating weight of the CB-614?
Operating weight is approximately 11,340 kg (25,000 lb), typical for a double-drum tandem asphalt compactor in this class. The exact figure can vary slightly by configuration (ROPS versus canopy, optional ballast) since factory literature for this vintage model is limited.
What replaced the Caterpillar CB-614?
Mid-production, the CB-614 was redesignated CB-614B on the same 7CD serial run, with no change to engine or drum width - that is a running production update, not a successor model. No confirmed direct-successor model name was found beyond that. Caterpillar's tandem asphalt-roller line continued under different numbering with the modern CB-series rollers, but an exact model-to-model succession from the CB-614B has not been verified in available sources.
What CB-614 owners discuss
What do operators say about how the CB-614's engine runs day to day?
Are there known hydraulic drive complaints on this type of tandem roller?
What wear patterns show up on the drums, scrapers, and water system?
Does the naturally aspirated 3208 have quirks specific to its series?
What electrical or sensor problems come up on a machine like this?
What should a buyer check before purchasing a used CB-614?
Is there much dedicated online discussion of the CB-614 by name?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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