Caterpillar CB-214B
Caterpillarpaving compactorvibratory compactor

Caterpillar CB-214B

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar CB-214B is a small ride-on tandem vibratory roller built for asphalt lift compaction and general utility work such as driveways, shoulders, patching, and trench backfill. It carries the 6LF serial prefix and runs a Hatz air-cooled, two-cylinder diesel (commonly cited as 2M40L) rated around 33 hp (24.6 kW) at 2600 rpm from 1.7 L of displacement, with a mechanical governor and no electronic engine or machine controls. Operating weight sits in the roughly 2.3-tonne (about 5,070 lb) class, with the wider-drum CB-224B sold alongside it on the same chassis and serial block. Documented production runs roughly through the late 1980s and into the 1990s before the model line moved on; treat exact start/end years as approximate since factory-dated records for this generation are thin. The B-series is the earliest widely documented generation of this platform and was followed by further CB-214 generations that carried the model designation forward.

The CB-214B stayed mechanically simple: a Hatz air-cooled twin, a hydrostatic drive, and a vibratory drum system with no diagnostic electronics. Later generations changed that. The CB-214C continued with a Hatz two-cylinder engine into the mid-to-late 1990s, but by the CB-214D (roughly 2000-2004) Caterpillar switched to its own water-cooled, naturally aspirated 3013 diesel, and that architecture carried into the CB-214E. That switch marks the real dividing line in this family: B- and C-series machines are fully mechanical field units, while D-series and later add Cat's own engine and cooling system. In today's used and parts market, the CB-214B is valued less as a primary paving asset and more for parts salvage, rebuilds, and light utility duty. Its Hatz engine parts network runs independent of Cat dealer parts, which helps keep basic engine service parts available even though the machine itself is long out of production.

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-214B specifications

Engine

Engine modelHatz 2-cylinder diesel (commonly cited as 2M40L; confirm exact submodel with dealer)
Gross power24.6 kW (33 hp) @ 2,600 rpm
Displacement1.7 L (104.8 cu in)
Cylinders2

Weights

Operating weight2,300 kg (5,071 lb)

Dimensions

Overall length2.4 m (7.9 ft)
Overall width1.1 m (3.6 ft)
Overall height (top of ROPS/cab)2.585 m (8.5 ft)
Wheelbase1.7 m (5.6 ft)
Ground clearance250 mm (9.9 in)
Drum diameter (front and rear)700 mm (27.6 in)
Drum width1,000 mm (39.4 in)

Performance

Maximum travel speed10.5-10.6 km/h (6.5-6.6 mph), varies by source
Vibration frequency50 Hz
Centrifugal force20 kN
Static linear load11.4 kg/cm

Service capacities (summary)

Fuel tank53.5-53.75 L (14.2 gal)
Hydraulic system40-40.1 L (10.6 gal)
Engine oil4.5 L (1.2 gal)

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

CB-214B fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter) - Hatz 2M40L/2L40-family 2-cylinder diesel4.5 L (1.2 US gal)Cat Diesel Engine Oil (DEO), API CF/CF-4 diesel engine oil. Multigrade 15W-40 for general/warm ambient use; drop to 10W-30 in colder climates per Cat's standard engine-oil viscosity-by-temperature chart. Engine is a Hatz-built air-cooled unit fitted to the machine, not a Cat-branded engine, but crankcase fill follows Cat's diesel engine oil spec in the OMM.
Cooling systemNot applicable - no liquid cooling system fittedNone. The CB-214B power unit (Hatz 2-cylinder) is air-cooled by design, so the OMM refill-capacities table carries no coolant/antifreeze entry for this machine.
Fuel tank53.5-53.8 L (14.1-14.2 US gal)No. 2 Diesel fuel per Cat's standard diesel fuel specification; No. 1 diesel recommended in cold ambient conditions to prevent fuel waxing/gelling.
Hydraulic system (tank and lines - combined hydrostatic drive, vibratory drive and steering circuit)40-40.1 L (10.6 US gal)Cat TDTO (Multipurpose Tractor Hydraulic Fluid, TO-4 spec), the fluid Cat specifies for compact compaction equipment where a single reservoir feeds the hydrostatic travel drive, vibratory drive and hydraulic functions. Viscosity grade selected by ambient temperature per the OMM's cold/hot climate chart (lighter SAE 10W grade in cold climates, heavier SAE 30 in hot climates).
Grease (chassis pins, bushings, articulation joint, vibratory bearings)Spec only - lubricate at scheduled service intervalsCat Multipurpose Grease (Cat MPGM - Multipurpose Molybdenum Grease), NLGI Grade 2, for heavily loaded pins, bushings and the articulation joint. Cat general-purpose chassis grease for lighter-duty zerks.

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Caterpillar CB-214B maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil level before starting and top off as needed
  • Check hydraulic reservoir level and inspect hoses and fittings for leaks
  • Clean cooling fins, fan shroud, and oil cooler of dust and asphalt debris (air-cooled engine, no radiator)
  • Drain water and sediment from the fuel tank sump and pre-filter
  • Inspect drum scraper blades and adjust clearance to the drum shell
  • Check articulation joint, fasteners, and guards for looseness
Every 250 h
  • Change engine oil and filter (shorten this interval if using lower-grade oil)
  • Remove, inspect, and clean or replace the air cleaner element
  • Check poly-V fan belt tension and condition; replace if cracked or glazed
  • Check battery terminals, hold-down, and state of charge
  • Inspect vibratory drum bearing seals for grease or oil weep
Every 500 h
  • Replace the fuel filter and fuel pre-filter/water separator element
  • Replace the hydraulic system return filter element
  • Check and adjust engine valve lash
  • Inspect the hydrostatic propel pump and drum drive motors for leaks or unusual noise
  • Check articulation joint bushings and steering cylinder pins for wear
Every 1,000 h
  • Change the vibratory drum eccentric/bearing housing oil
  • Inspect fuel injectors and check injection timing
  • Flush and inspect the hydraulic tank breather and suction strainer
  • Inspect the drum shell for cracks and re-torque scraper and edge hardware
  • Check engine mounts and the engine-to-pump drive coupling for wear
Every 2,000 h
  • Change the full hydraulic system oil charge
  • Inspect hydrostatic pump and motor seals and rebuild if leaking
  • Pressure-test the vibratory system relief valve and verify amplitude/frequency output against spec
  • Check cylinder head, valves, and compression for engine wear
  • Inspect and renew drum bearing and seal kits as needed
Every 4,000 h
  • Rebuild the Hatz engine top end (rings, valves, injectors) if compression or oil consumption indicate wear
  • Replace the vibratory eccentric shaft and bearing assembly
  • Rebuild or exchange the hydrostatic drive pump and propel motors
  • Inspect and replace articulation frame bushings and the center pin

Servicing the CB-214B beyond the schedule

Predictive Maintenance & Fluid Analysis

The CB-214B has no ECM, telematics, or fault codes, so predictive care depends on manual sampling and inspection. Pull an engine oil sample at every 250-hour change to catch early Hatz cylinder or ring wear before it shows up as smoke or a power drop. Check hydraulic oil for a milky look or water intrusion, since the reservoir vents to atmosphere on this open-frame design. Listen and feel for vibratory drum bearing roughness between scheduled housing oil changes; there is no sensor to flag it for you.

Corrective & Common Repairs

Expect Hatz air-cooled top-end wear (valves, rings) at higher hours since cylinder temperatures run hotter than a water-cooled engine. Stale or contaminated diesel gums the fuel system on machines that sit between jobs; drain and refill the tank before a long-idle unit goes back to work. Hydrostatic propel pump and drum motor wear shows up as sluggish or uneven travel speed. Worn scraper blades and eccentric shaft bearings from skipped 1000-hour oil changes are the most common vibratory-side repairs on this model.

Overhaul & Rebuild Points

Rebuild targets on the CB-214B center on three areas: the Hatz engine top end (rings, valves, injectors), the vibratory drum eccentric shaft and bearing/seal set, and the hydrostatic pump and drum drive motors. The articulated frame's center pin and bushings also wear over time and should be checked whenever the machine is in the shop for other work. Because the chassis and drivetrain are mechanically simple, most rebuild work is component exchange rather than complex assembly teardown.

Seasonal & Environment Servicing

Dusty or millings-heavy job sites pack the air-cooled Hatz engine's cooling fins and fan shroud fast; clean them at least daily in hot, dusty conditions to prevent overheating that a water-cooled engine wouldn't show as quickly. In cold weather, use the correct winter-grade engine oil and keep the battery at full charge, since the mechanical diesel has no glow-plug electronics to compensate for a weak start. Keep the open hydraulic reservoir breather covered during wash-downs and wet weather to keep water out of the system.

CB-214B common service parts

Part numberPart
081-3242Filter-FuelCheck fitment →
081-3260Filter-AirCheck fitment →
081-2684Filter-Engine OilCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

CB-214B fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
Oil pressure warning lamp (red, oil-can symbol)Engine oil pressure below safe minimumLow oil level, worn oil pump, clogged pickup screen, or failed pressure switchStop engine immediately, check oil level and condition, inspect pressure switch and lines before restart
Battery/charge warning lamp (red, battery symbol)Alternator not charging or charging system faultLoose or worn belt, failed alternator/regulator, bad connection or dead batteryCheck belt tension and battery terminals, test alternator output, replace regulator/alternator if not charging
Air cleaner restriction indicator (yellow, filter symbol)Intake air filter element is clogged, restricting airflow to the engineDust/debris loading on the air filter element, especially in paving/milling environmentsService or replace air filter element, reset restriction indicator
Hydraulic filter restriction indicatorHydraulic return/charge filter is loading up, restricting oil flowFilter nearing service life, cold-start high viscosity, or internal pump/component wear generating debrisReplace hydraulic filter element, check hydraulic oil condition and level
Engine automatic shutdown - low oilEngine's built-in mechanical protection has stopped the engine due to insufficient oil level or pressureLow oil level, oil leak, or failed oil sensor/linkage in the mechanical shutdown mechanismCheck oil level and look for leaks before attempting restart; inspect the mechanical low-oil shutdown linkage if oil level is correct and engine still will not run
Engine automatic shutdown - cooling fan faultMechanical protection has stopped the engine because the cooling fan is not turning or airflow is blockedBroken or slipping fan belt, seized fan, or debris blocking the cooling shroud on the air-cooled engineInspect fan belt and fan for damage, clear cooling fins and shroud of debris, then restart
Engine automatic shutdown - excessive machine tiltMechanical protection has stopped the engine because the machine exceeded its safe operating inclination angleOperating on a slope beyond the machine's rated tilt limit, or a stuck/misadjusted tilt switchReposition machine to a safe grade before restarting; check tilt switch adjustment if shutdown occurs on level ground

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

CB-214B attachments & work tools

Compaction drums (primary work tool)

Smooth steel front and rear tandem drums, roughly 1000 mm (39 in) wide for this size class, fixed to the machine and not field-interchangeable. This is a single-purpose asphalt/utility roller, not a carrier machine that accepts swap-on buckets, forks, or hammers.

ROPS and canopy

Two-post ROPS bolts to flanges welded on the frame and meets roll-over protective structure standards for this class. An optional bolt-on sun/weather canopy mounts to the ROPS top; a folding ROPS option (pivoting posts for reduced transport height) is documented for this machine family, confirm exact fitment against the B-series serial range with a dealer.

Water spray system

Standard gravity-fed system uses perforated plastic spray bars ahead of each drum for full-width wetting to stop asphalt pickup. An optional pressurized spray system with constant/off/intermittent control is offered for this class, drawing from an onboard water tank sized in the 100-150 L (26-40 gal) range depending on configuration.

Drum scrapers

Each drum carries a spring-loaded, self-adjusting scraper plus a fixed secondary scraper as standard equipment to control material build-up. These are factory-fit wear items, not an optional hydraulic-kit attachment.

Vibratory exciter system

Each drum has an integral vibratory shaft/exciter with operator-selectable vibration on/off and, depending on configuration, high/low amplitude or frequency settings for mat finish versus compactive effort. This is built into the drum assembly, not a bolt-on work tool.

Drum edge treatment

Standard drums use a machined dual-radius edge; a non-machined, square-profile edge option is offered across this compactor size class for edge-of-mat and curb-line work. Documented for sibling D-series/E-series machines in this line; verify availability for the specific B-series serial range with a dealer.

Articulated oscillating frame and hydrostatic drive

Front and rear frame halves join at an oscillating articulation joint, steered by a hydraulic cylinder, with hydrostatic pump/motor propulsion driving both drums. There is no quick-coupler or work-tool mounting interface on this joint; it is a fixed structural/drive arrangement, not an attachment point.

Operator station and guarding

Open operator platform with ROPS-mounted seat and control console is standard for this class; mirrors, work lighting, and a beacon/warning light are common dealer-fit options rather than catalog work tools. No auxiliary hydraulic work-tool circuit is provided, since this roller has no attachment-driven implements.

All CB-214B assemblies by section

Every catalogued assembly group for the Caterpillar CB-214B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
Braking System
5e7899 Lines Gp-Brake
5e7898 Lines Gp-Brake
Electrical System
5e5644 Alarm Gp
5e7244 Back-Up Gp-Alarm
1g4266 Battery Gp
5e6561 Breaker & Relay Gp
1g3775 Control Gp
1G***75Control Group-Speed & Direction1
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5e7915 Electrical Gp
5e5035 Horn Gp-Electric
1069945 Headlight Gp
5e5638 Lighting Gp
5e7231 Lighting Gp-Lh
5e7260 Lighting Gp-Rear
5e7232 Lighting Gp-Rh
5e7911 Wiring Gp
5e6554 Wiring Gp
5e5015 Wiring Gp
5e7913 Wiring Gp-Cab
5e7914 Wiring Gp-Cab
Engine Installation
5e7778 Engine Gp
08***02Gauge; Switch-Oil Pressure1
08***44Gauge; (Oil Level)1
08***58Sensor; (Cylinder Head)1
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5e7766 Support Gp-Engine
5e7771 Support Gp-Engine
5e7770 Support Gp-Engine
Frame And Body
5e7920 Canopy Gp
1g3729 Frame Gp-Part 2 Of 2
1g3729 Frame Gp-Part 1 Of 2
5e7906 Frame Gp-Front-Part 1 Of 2
5e7906 Frame Gp-Front
5e7906 Frame Gp-Front-Part 2 Of 2
5e7907 Scraper Gp-Drum
5e7909 Scraper Gp-Drum
Fuel System
5e7772 Tank Gp-Fuel
5e7773 Tank Gp-Fuel
5e7379 Tank Gp-Fuel
Hydraulic System
5e7114 Cock Gp
5e7887 Cooler Gp
812700 Cooler Gp-Oil
5e7886 Distributor Gp
814170 Filter Gp-Hydraulic
5e7875 Lines Gp-Vibratory
5e7874 Lines Gp-Vibratory
5e7877 Lines Gp-Vibratory
5e7882 Lines Gp-Vibratory
5e7776 Lines Gp-Hydrostatic
5e7775 Lines Gp-Hydrostatic
813212 Motor Gp-Rear Traction
814205 Motor Gp-Front Traction
5e7879 Motor Gp-Rear Traction
813224 Motor Gp-Rear Brake Traction
5e7878 Motor Gp-Hydraulic (Front Traction)
5e7881 Motor Gp-Hydraulic (Front Traction)
5e7880 Motor Gp-Rear Traction
1054367 Motor Gp-Hydraulic
1054368 Motor Gp-Hydraulic
5e5287 Pump Gp-Hydraulic
5e7883 Pump Gp-Piston
5e7884 Pump Gp-Piston
814204 Pump Gp-Traction
844899 Pump Gp-Traction
5e7888 Tank Gp-Hydraulic Oil
814200 Valve Gp-Solenoid
814166 Valve Gp-Solenoid
Machine Arrangement
7x4112 Compactor Ar
08***86Motor Group-Hydraulic1
08***66Valve Group-Solenoid1
08***99Pump Group-Steering1
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Operator Station
5e7904 Console Gp-Instrument
5e7905 Console Gp-Instrument
5e5518 Control As-Cable
5e7901 Control Gp-Acceleration
5e7902 Control Gp-Forward & Reverse
5e7903 Control Gp-Forward & Reverse
5e5639 Dashboard Gp
5e7910 Seat Gp
814479 Seat Gp
9g7641 Switch Gp-Start
9G***41Switch Group-Start; -Engine, Key-Vims Service1
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Power Train
5e5585 Coupling Gp
5e5586 Coupling Gp
5e7774 Coupling Gp-Pump
5e7889 Drum Gp-Front & Rear
5e7890 Drum Gp-Front & Rear
5e6569 Drum Gp-Front
5e6570 Drum Gp-Front
5e6583 Drum Gp-Rear
5e6582 Drum Gp-Rear
5e6603 Housing Gp-Output
5e6604 Housing Gp-Vibration
Service Equipment And Supplies
Steering System
5e7900 Control Gp-Steering
5e7080 Cylinder Gp (Chg 02)
5e7896 Cylinder Gp-Hydraulic (Chg 01)
5e7893 Lines Gp-Steering
814199 Pump Gp-Steering
5e7908 Steering Gp
Vibratory System
812786 Motor Gp-Hydraulic Vibratory Front Drum
5e6574 Motor Gp-Hydraulic
5e7885 Motor Gp-Vibratory Front Drum
5e7892 Vibrator Gp
5e7891 Vibrator Gp
Water System
1g3622 Hose Gp-Spray
1g4031 Pipe Gp-Sprayer
814344 Pump Gp-Sprayer
5e4984 Pump Gp-Water Spray
5e4984 Pump Gp-Sprayer
1g3215 Pump Gp-Water
1g4033 Pipe Gp-Sprayer
1060766 Pipe Gp-Sprayer
1057962 Pipe Gp-Sprayer
5e4948 Water Spray Gp
5e7921 Water Spray Gp

CB-214B serial number reference

On Cat single- and tandem-drum compactors of this vintage the PIN/serial plate is riveted to the main frame, usually on the articulation area or a frame rail near the operator platform, with a duplicate often on the engine. Read the first 3 characters as the prefix (identifies model/build series) and the digits following as the sequential unit number within that series. This plate-location description is general Cat compactor practice, not confirmed from a CB-214B-specific source.

PrefixIdentifies
6LFCB-214B tandem vibratory asphalt roller, twin smooth drums, serial range shared with CB-224B under the same parts and service literature

Frequently asked questions

What engine does the Caterpillar CB-214B use?

A Hatz air-cooled, two-cylinder diesel (commonly cited as 2M40L) rated around 33 hp (24.6 kW) at 2600 rpm, displacing about 1.7 L. It runs a mechanical governor with no electronic engine controls or diagnostics.

What is the operating weight of the Caterpillar CB-214B?

Roughly 2.3 tonnes (about 5,070 lb), varying slightly with options and ballast. The wider-drum CB-224B sibling sits in the same general weight class.

What replaced the Caterpillar CB-214B?

The CB-214C carried the model forward through the 1990s, still using a Hatz two-cylinder engine. The bigger change came with the CB-214D (roughly 2000-2004), which switched to Caterpillar's own water-cooled 3013 diesel, an architecture continued in the CB-214E.

What CB-214B owners discuss

What engine is in the CB-214B, and what starting quirks do owners report?
The CB-214B runs a Hatz 2-cylinder, air-cooled, direct-injection diesel (roughly 20-33 hp / 15-25 kW, varies by configuration/series) — not a Caterpillar-branded block. Later C/D/E-series compactors switched to Cat 3013 engines, but this B-series machine stays with the Hatz air-cooled unit. Owners note the fuel shutoff solenoid needs both oil pressure and battery power to hold the fuel rack open; if the fan belt breaks or oil pressure drops, the rack springs back to the off position and the engine will not fuel, or dies on its own mid-run. A no-start with normal cranking but no fuel delivery is usually the solenoid circuit or a loose/broken fan belt, not the injection pump. Because fuel-rack shutdown behavior is a personnel-safety item around a running compactor, have your dealer verify the shutdown solenoid and fan belt before returning the machine to service.
Why does the drum stop vibrating, and is it a common wear point on this machine?
Loss of vibration on this class of compactor almost always traces to one of three places: the exciter (eccentric weight) bearings inside the drum, the vibration on/off solenoid valve, or wear in the vibratory pump/motor circuit. Grinding or knocking when vibration is engaged is the classic early sign of exciter bearing wear; ignored, it lets the eccentric shaft and drum housing take collateral damage. Early in production Cat updated the spindle and bearing support on the CB-214B/CB-224B drum coupling to extend shaft seal life, and added a pressure-reducing valve to tame spikes in the vibratory hydraulic circuit — both point to bearing/seal life and pressure spikes as the known weak spots for this generation. Because a failed eccentric shaft shifts an unbalanced rotating mass inside the drum, have your dealer verify drum bearing play and shaft condition at the first sign of unusual noise under vibration.
What drum and undercarriage wear patterns should owners watch for?
Water intrusion into the drum bearing housings is the wear pattern owners bring up most for this size of asphalt roller. The bearings sit close to the water spray manifold, so once a shaft seal starts to weep, water displaces the bearing grease and accelerates bearing failure. Daily greasing of the drum bearings, articulation hinge, and pivot pins is the standard preventive step; skipped grease points show up later as excess drum play and early bearing replacement. Scraper bars are the other routine wear item — leaving them down against the drum during trailer transport is a common way to snap or gouge them, so operators flip them up before loading.
What hydraulic and water-spray issues come up most in service?
The water spray system is the top nuisance item: nozzles and the inline strainer plug with debris or algae from dirty tank water, leaving dry streaks on the drum and material pickup on the mat. The fix is routine — keep the reservoir filled with clean water, check nozzle screens daily, and change the main spray filter before it bypasses unfiltered water straight to the bars. On the drive side, a hydrostatic propel or vibratory pump nearing end of life shows up first as rising noise, cavitation/aeration popping, and sluggish response before it fails outright. Low fluid level and dirty hydraulic oil are the most-cited accelerants for pump wear.
What electrical or sensor issues are typical as these machines age?
Nothing exotic — owners mostly report age-related fuse and wiring failures rather than sensor faults, since the CB-214B predates the sensor-heavy electronics of later E-series compactors. The 12V system and modest alternator output leave little margin for corroded connectors, and blown fuses or degraded wiring in the vibration-solenoid or safety-interlock circuits are the most-cited gremlins, especially on machines stored outside. Carrying spare fuses and relays on the machine is the common field fix mentioned by long-time operators.
What should I check when buying a used CB-214B?
Confirm the hour meter reading against service records and general wear (seat, controls, high-touch paint) to sanity-check actual use. Run the vibration system and listen for grinding or knocking in the drum — a sign of exciter bearing wear or a failing eccentric shaft. Inspect the drum bearing housings and shaft seals for water staining or grease weep, and check articulation joint play. Cycle the water spray system and inspect nozzle screens and the main filter for signs of neglect. Start the engine cold and confirm the fuel shutoff solenoid holds the rack open without hunting, and check fan belt condition since a worn belt can mimic a fuel-system fault. Inspect scraper bars for prior transport damage, and look for leaks or discoloration around the propel and vibratory pumps. Given the safety implications of a rotating drum assembly and the fuel shutdown circuit, have your dealer verify drum bearing/eccentric shaft condition and engine shutdown function before purchase.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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