Caterpillar CB-224B
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar CB-224B is a compact tandem vibratory smooth-drum compactor in the roughly 2.4 to 2.5 tonne (5,400 lb) operating class, built for driveway, trench, shoulder, and small-lot asphalt and soil compaction rather than mainline highway rolling. It runs a Hatz 2M40 two-cylinder, air-cooled diesel rated around 24.5 kW (33 hp), driving both steel drums through a hydrostatic propel system on an articulated, oscillating frame. Cat built the B-series through roughly the late 1980s into the mid-1990s as part of the CB-214/CB-224 family; it followed the original CB-224 and was itself succeeded by the CB-224C, CB-224D, and CB-224E. Cat offered the B-series alongside the narrower-drum CB-214B on the same platform, in double-steel-drum configurations only; no rubber-tired combi variant is documented for this generation.
Later CB-224 generations kept the same basic articulated double-drum layout but moved to different engine suppliers and added features the B-series lacks, including revised ROPS and operator stations, traction control, updated hydrostatic controls, and, by the E-series, emissions-compliant diesels built to modern standards. Cat eventually retired the lettered CB-214/224 nameplate in favor of its metric-tonnage CB2.x utility compactor line, which still uses the same 1200 mm (47 in) drum width the earlier series established. In the used and parts market, CB-224B units trade mainly as low-cost, mechanically simple machines for owner-operators and small contractors; the Hatz industrial diesel, basic hydrostatic drive, and absence of emissions electronics make them straightforward to keep running and rebuild, though sheet metal, drum bearings, and Hatz-specific engine parts increasingly come through aftermarket and used-parts channels rather than new from a dealer.
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-224B specifications
Engine
| Engine model | Hatz 2M40L, 2-cylinder diesel |
| Gross power | 32.9 hp (24.5 kW) @ 2,600 rpm |
| Displacement | 1.72 L (104.8 cu in) |
| Cylinders | 2 |
| Emissions tier | Pre-emissions-tier era machine (built early 1990s); no tier rating published |
| Net power | Not published in available spec sources |
Weights
| Operating weight | 2,450 kg (5,400 lb) |
| Shipping weight | Not published in available spec sources |
| Ground pressure | Not published; static linear load figures listed under Performance |
Dimensions
| Overall (transport) length | 2.41 m (7 ft 11 in) |
| Overall width | 1.30-1.31 m (4 ft 3-4 in) |
| Overall height | Sources disagree: 1.63 m (5 ft 4 in) per one equipment database vs 2.59 m (8 ft 6 in) to cab/ROPS top per another — varies by source, verify configuration before quoting |
| Wheelbase | approx. 1.71 m (5.6 ft) per equipment database (figure carries some source uncertainty) |
| Ground clearance | 25.1 cm (9.9 in) |
| Drum width | 120.1 cm (47.3 in) |
| Drum diameter | 70.1 cm (27.6 in) |
Performance
| Maximum travel speed | 10.6 km/h (6.6 mph) |
| Vibration frequency | 50 Hz (unit reported inconsistently across sources as 50 Hz vs 50 vpm; likely 50 Hz) |
| Nominal amplitude (high) | 2.5 mm (0.10 in) |
| Centrifugal force (high) | 24 kN (5,400 lb) |
| Static linear load | approx. 1.0 kg/cm (57 lb/in), per equipment database — not independently confirmed |
| Gradeability | Not published in available spec sources |
Service capacities (summary)
| Fuel tank | 53.75 L (14.2 gal) |
| Hydraulic system | 40.1 L (10.6 gal) |
| Engine oil | 4.54 L (1.2 gal) |
| Cooling system | Not published in available spec sources |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CB-224B fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) - Hatz 2M40L 2-cylinder diesel | 4.5 L (1.2 US gal) | Cat DEO-ULS diesel engine oil, or an equivalent API CH-4/CI-4 multigrade diesel engine oil compatible with the Hatz block. SAE 15W-40 for normal ambient service, SAE 10W-30 for cold-start climates below 0°C (32°F), following Cat's standard viscosity-by-climate chart for small diesel-engine compactors. Confirm the exact grade against the dealer OMM chart for this serial range. |
| Cooling system | Not applicable - no liquid coolant circuit | Engine is air-cooled (cylinder and head cooling fins with shroud/fan). No coolant fill, no radiator, no antifreeze/ELC requirement on this engine. |
| Fuel tank | 53.8 L (14.2 US gal) | No. 2-D ultra-low-sulfur diesel fuel. Switch to a winter-blend or No. 1-D diesel in cold climates to prevent fuel gelling/wax-out. |
| Hydraulic system (drum drive, vibratory, and steering circuit - tank total) | 40.1 L (10.6 US gal) | Cat HYDO Advanced 10, 20, or 30 hydraulic oil, graded by ambient temperature band. Where Cat HYDO Advanced is unavailable, Cat lists Cat MTO, Cat DEO, Cat DEO-ULS, Cat TDTO, Cat Cold Weather TDTO, Cat TDTO-TMS, or Cat Cold Weather DEO-ULS as acceptable second-choice fluids. This compactor has no separate transmission or final-drive housing - the drum drive motors and vibratory motor run directly off this hydrostatic circuit, so hydraulic tank capacity covers the whole drivetrain. |
| Transmission / final drives / axles | Not applicable - no separate sump on this configuration | Not used. Drum propulsion is by direct hydrostatic wheel motors fed from the hydraulic system above; there is no mechanical transmission, differential, or final-drive gear case to service separately. |
| Grease (all fittings) - spec only | Not capacity-rated; apply per lube point with a grease gun until purge | Cat Multipurpose Grease (MPGM), NLGI 2, lithium-complex base, rated for ambient service from -30°C to 40°C (-22°F to 104°F). |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar CB-224B maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 3,000 h |
|
| Every 6,000 h |
|
Servicing the CB-224B beyond the schedule
Predictive Maintenance & Fluid Analysis
On the CB-224B, oil condition is the main early-warning signal since there is no coolant loop to sample - the Hatz 2M40 is air-cooled. Pull engine oil and hydraulic reservoir samples at each service interval and watch for metal fines, which flag propel-motor or eccentric-weight bearing wear before a drum locks up. Check the exciter housing oil level and color at every service; darkening or a metallic sheen there usually signals drum bearing wear starting, well before noise or vibration shows up in the seat.
Corrective & Common Repairs
Typical CB-224B failures center on the hydrostatic drive and the drum scrapers. Worn or misadjusted scrapers let compacted material build up on the steel drums and throw off compaction quality, so reset clearance often. Articulation and oscillating hitch bushings wear into steering slop over time; regrease on schedule and replace pins and bushings once play develops. The Hatz engine can be hard to cold-start as glow plugs and injectors age, so test preheat function before blaming the fuel system. Water spray nozzles clog with mineral deposits and need periodic clearing.
Overhaul & Rebuild Points
Major CB-224B rebuild work concentrates on the drum ends and the drive train. Eccentric weight bearings and seals inside each drum wear out under constant vibration load and require pulling the drum for service, so budget for this on any high-hour unit. Hydrostatic propel motors and the drive pump are rebuildable but increasingly sourced as reman or used units rather than new. The Hatz air-cooled diesel accepts a conventional in-frame overhaul of rings, liners, and valve seats through the Hatz industrial engine parts network, which keeps this generation economical to keep in service.
Seasonal & Environment Servicing
Because the Hatz engine is air-cooled, keep the cylinder cooling fins and shrouds free of asphalt dust and grass clippings; clogged fins cause overheating faster than a plugged radiator would on later CB-224 generations. Drain the water spray tank, lines, and filter completely before frost, since residual water cracks the pump housing and spray bar fittings. In hot, dusty paving conditions, service the air filter more often than the standard interval. Between seasons, park the steel drums on wood blocking to prevent flat-spotting and surface rust from standing moisture.
CB-224B common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 081-3242 | Filter-Fuel | Fuel system service | Check fitment → |
| 081-3260 | Filter-Air | Air intake service | Check fitment → |
| 081-2684 | Filter-Engine Oil | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
CB-224B fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure warning lamp (red) | Low engine oil pressure detected by the pressure switch on the Hatz diesel | Low oil level, worn oil pump, clogged oil filter, or a failed pressure switch | Shut the engine down immediately, check oil level on the dipstick, and inspect the filter before restarting |
| Battery/Charge warning lamp (red) | Alternator output below system voltage, battery not charging | Loose or worn drive belt, corroded/loose battery terminals, or a failed alternator | Check belt tension and battery connections, then load-test the alternator |
| Air cleaner restriction indicator (yellow, pop-up or lamp) | Intake air filter restriction has reached the service limit | Dust-clogged primary air filter element from paving/job-site conditions | Inspect and clean or replace the air filter element, then reset the indicator |
| Hydraulic filter restriction (bypass) indicator | Return-line hydraulic filter has reached bypass/restriction threshold | Clogged filter element, or cold high-viscosity oil triggering the indicator at cold start | Recheck after the machine reaches operating temperature; replace the filter element if restriction persists |
| Vibration system inoperative (no dash code, drum will not vibrate) | Eccentric weight drive circuit not engaging when the vibration switch is on | Faulty vibration on/off switch, relay, or drive solenoid/wiring in this relay-based (non-ECM) circuit | Check the vibration switch, relay, fuse, and solenoid wiring at the drum drive before condemning the vibratory motor |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
CB-224B attachments & work tools
Machine type and class
The CB-224B is a double-drum (tandem) vibratory asphalt/soil compactor in Caterpillar's light-duty roller line, articulated-steer with a center pivot. Operating weight is in the roughly 2.4-2.5 tonne (5,400 lb) class, with a smooth steel drum front and rear, each about 1,200 mm (47 in) wide and roughly 700 mm (27.6 in) in diameter.
Vibratory drum system
Both front and rear drums are vibratory, driven by an eccentric weight shaft giving a single working amplitude and a vibration frequency in the 50-60 Hz (3,000-3,700 vpm) range depending on source and duty setting. Vibration on a given drum shuts off automatically when the propel lever returns to neutral, and operators can select vibration on front, rear, or both drums for this class of roller.
Steering and articulation joint
Frame halves join at a center articulation pivot with self-aligning bearings giving roughly plus/minus 32 degrees of steering angle, plus a horizontal oscillation pin allowing roughly plus/minus 10 degrees of drum oscillation to keep both drums in ground contact on uneven surfaces. This is a fixed factory arrangement, not a field-installed option.
Drum scrapers
Each drum carries retractable, spring-loaded, self-adjusting scraper bars at the front and rear edge to keep the drum face clean of asphalt buildup during compaction. These are standard equipment on this roller class rather than an aftermarket work tool.
Water spray/wetting system
A drum water spray system with spray bars, pump, and an onboard tank is fitted to control asphalt pickup on the drums; exact tank capacity is not consistently documented across sources for this exact model and should be confirmed with a dealer. Accessory items such as water-retaining mats over the spray nozzles are used on this size class to keep the drum wetted evenly between spray cycles.
ROPS/canopy configuration
The CB-224B is offered with a rollover protective structure, available as a fixed ROPS or a foldable ROPS/canopy for low-clearance access, consistent with the options pattern used across this roller family. A sun/weather canopy can be fitted over the ROPS for operator protection.
Operator seat and controls
A suspension operator seat with armrests and fore/aft and height adjustment is offered for extended operating comfort on this class of roller. Seat orientation is typically fixed-forward on this size machine rather than swivel, matching its single-operator-station layout.
Lighting and visibility options
Factory or dealer-fit lighting kits add forward work lights and rear-facing work lights beyond the base halogen lighting, mounted via an overhead console and harness. A rotating beacon and mount is offered and can be fitted to machines with or without ROPS for jobsite visibility.
Safety and warning equipment
A back-up alarm that sounds when the machine is shifted into reverse is offered for this roller class. A spark-arrestor muffler option is available to reduce the risk of hot carbon particles exiting the exhaust on sensitive job sites.
Guarding and shielding
Spray bar shields to prevent wind-driven uneven water distribution across the drum are documented for this Cat tandem-roller family; confirm availability on the specific CB-224B serial range with a dealer since this feature is most clearly documented on the later E-series siblings of the same roller line.
Mounting/coupler system
As a self-propelled tandem roller, the CB-224B does not use a skid-steer style quick-coupler or third-line hydraulics for interchangeable work tools; its drums, ROPS, lighting, and guarding items are factory- or dealer-installed accessory groups rather than field-swappable attachments.
All CB-224B assemblies by section
Every catalogued assembly group for the Caterpillar CB-224B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
1g9621 Muffler Gp
| 1G***21 | Muffler Group | 1 |
Braking System
5e7898 Lines Gp-Brake
| 5E***98 | Lines Group-Brake | 1 |
5e7899 Lines Gp-Brake
| 5E***99 | Lines Group-Brake | 1 |
Electrical System
5e5644 Alarm Gp
| 5E***44 | Alarm Group-Backup | 1 |
5e7244 Back-Up Gp-Alarm
| 5E***44 | Alarm Group-Backup | 1 |
1g4266 Battery Gp
| 1G***66 | Battery Group | 1 |
5e6561 Breaker & Relay Gp
| 5E***61 | Circuit Breaker & Relay Group | 1 |
1g3775 Control Gp
| 1G***75 | Control Group-Speed & Direction | 1 |
5e7915 Electrical Gp
| 5E***15 | Electrical Group | 1 |
5e5035 Horn Gp-Electric
| 5E***35 | Horn Group-Electric | 1 |
1069945 Headlight Gp
| 10***45 | Lamp Group-Head | 1 |
5e5638 Lighting Gp
| 5E***38 | Lighting Group | 1 |
5e7231 Lighting Gp-Lh
| 5E***31 | Lighting Group-Lh | 1 |
5e7260 Lighting Gp-Rear
| 5E***60 | Lighting Group-Rear | 1 |
5e7232 Lighting Gp-Rh
| 5E***32 | Lighting Group-Rh | 1 |
5e6554 Wiring Gp
| 5E***54 | Wiring Group | 1 |
5e7911 Wiring Gp
| 5E***11 | Wiring Group | 1 |
5e5015 Wiring Gp
| 5E***15 | Wiring Group | 1 |
5e7914 Wiring Gp-Cab
| 5E***14 | Wiring Group-Cab | 1 |
5e7913 Wiring Gp-Cab
| 5E***13 | Wiring Group-Cab | 1 |
Engine Installation
5e7778 Engine Gp
| 08***02 | Gauge; Switch-Oil Pressure | 1 |
| 08***44 | Gauge; (Oil Level) | 1 |
| 08***58 | Sensor; (Cylinder Head) | 1 |
5e7770 Support Gp-Engine
| 5E***70 | Support Group-Engine | 1 |
5e7766 Support Gp-Engine
| 5E***66 | Support Group-Engine | 1 |
5e7771 Support Gp-Engine
| 5E***71 | Support Group-Engine | 1 |
Frame And Body
5e7920 Canopy Gp
| 5E***20 | Canopy Group | 1 |
1g3729 Frame Gp-Part 2 Of 2
| 1G***29 | Frame Group | 1 |
1g3729 Frame Gp-Part 1 Of 2
| 1G***29 | Frame Group | 1 |
5e7906 Frame Gp-Front-Part 2 Of 2
| 5E***06 | Frame Group-Front | 1 |
5e7906 Frame Gp-Front
| 5E***06 | Frame Group-Front | 1 |
5e7906 Frame Gp-Front-Part 1 Of 2
| 5E***06 | Frame Group-Front | 1 |
5e7907 Scraper Gp-Drum
| 5E***07 | Scraper Group-Drum | 1 |
5e7909 Scraper Gp-Drum
| 5E***09 | Scraper Group-Drum | 1 |
Fuel System
5e7379 Tank Gp-Fuel
| 5E***79 | Tank Group-Fuel | 1 |
5e7772 Tank Gp-Fuel
| 5E***72 | Tank Group-Fuel | 1 |
5e7773 Tank Gp-Fuel
| 5E***73 | Tank Group-Fuel | 1 |
Hydraulic System
5e7114 Cock Gp
| 5E***14 | Cock Group | 1 |
5e7887 Cooler Gp
| 5E***87 | Cooler Group | 1 |
812700 Cooler Gp-Oil
| 08***00 | Cooler Group-Hydraulic Oil | 1 |
5e7886 Distributor Gp
| 5E***86 | Distributor Group | 1 |
814170 Filter Gp-Hydraulic
| 08***70 | Filter Group-Hydraulic | 1 |
5e7877 Lines Gp-Vibratory
| 5E***77 | Lines Group | 1 |
5e7874 Lines Gp-Vibratory
| 5E***74 | Lines Group | 1 |
5e7875 Lines Gp-Vibratory
| 5E***75 | Lines Group | 1 |
5e7882 Lines Gp-Vibratory
| 5E***82 | Lines Group | 1 |
5e7776 Lines Gp-Hydrostatic
| 5E***76 | Lines Group-Hydrostatic | 1 |
5e7775 Lines Gp-Hydrostatic
| 5E***75 | Lines Group-Hydrostatic | 1 |
5e7879 Motor Gp-Rear Traction
| 5E***79 | Motor Group | 1 |
813224 Motor Gp-Rear Brake Traction
| 08***24 | Motor Group | 1 |
813212 Motor Gp-Rear Traction
| 08***12 | Motor Group | 1 |
814205 Motor Gp-Front Traction
| 08***05 | Motor Group | 1 |
1054368 Motor Gp-Hydraulic
| 10***68 | Motor Group-Hydraulic | 1 |
5e7880 Motor Gp-Rear Traction
| 5E***80 | Motor Group-Hydraulic | 1 |
1054367 Motor Gp-Hydraulic
| 10***67 | Motor Group-Hydraulic | 1 |
5e7878 Motor Gp-Hydraulic (Front Traction)
| 5E***78 | Motor Group-Hydraulic | 1 |
5e7881 Motor Gp-Hydraulic (Front Traction)
| 5E***81 | Motor Group-Hydraulic | 1 |
5e5287 Pump Gp-Hydraulic
| 5E***87 | Pump Group-Hydraulic | 1 |
5e7884 Pump Gp-Piston
| 5E***84 | Pump Group-Piston | 1 |
5e7883 Pump Gp-Piston
| 5E***83 | Pump Group-Piston | 1 |
844899 Pump Gp-Traction
| 08***99 | Pump Group-Traction | 1 |
814204 Pump Gp-Traction
| 08***04 | Pump Group-Traction | 1 |
5e7888 Tank Gp-Hydraulic Oil
| 5E***88 | Tank Group-Hydraulic | 1 |
814200 Valve Gp-Solenoid
| 08***00 | Valve Group-Solenoid | 1 |
814166 Valve Gp-Solenoid
| 08***66 | Valve Group-Solenoid | 1 |
Machine Arrangement
7x4112 Compactor Ar
| 08***86 | Motor Group-Hydraulic | 1 |
| 08***66 | Valve Group-Solenoid | 1 |
| 08***99 | Pump Group-Steering | 1 |
Operator Station
5e7905 Console Gp-Instrument
| 5E***05 | Console Group-Instrument | 1 |
5e7904 Console Gp-Instrument
| 5E***04 | Console Group-Instrument | 1 |
5e5518 Control As-Cable
| 5E***18 | Control As-Cable | 1 |
5e7901 Control Gp-Acceleration
| 5E***01 | Control Group-Acceleration | 1 |
5e7903 Control Gp-Forward & Reverse
| 5E***03 | Control Group-Forward/Reverse | 1 |
5e7902 Control Gp-Forward & Reverse
| 5E***02 | Control Group-Forward/Reverse | 1 |
5e5639 Dashboard Gp
| 5E***39 | Dash Group | 1 |
5e7910 Seat Gp
| 5E***10 | Seat Group | 1 |
814479 Seat Gp
| 08***79 | Seat Group | 1 |
9g7641 Switch Gp-Start
| 9G***41 | Switch Group-Start; -Engine, Key-Vims Service | 1 |
Power Train
5e5585 Coupling Gp
| 5E***85 | Coupling Group | 1 |
5e5586 Coupling Gp
| 5E***86 | Coupling Group | 1 |
5e7774 Coupling Gp-Pump
| 5E***74 | Coupling Group-Pump | 1 |
5e7890 Drum Gp-Front & Rear
| 5E***90 | Drum Group | 1 |
5e7889 Drum Gp-Front & Rear
| 5E***89 | Drum Group | 1 |
5e6570 Drum Gp-Front
| 5E***70 | Drum Group-Front | 1 |
5e6569 Drum Gp-Front
| 5E***69 | Drum Group-Front | 1 |
5e6582 Drum Gp-Rear
| 5E***82 | Drum Group-Rear | 1 |
5e6583 Drum Gp-Rear
| 5E***83 | Drum Group-Rear | 1 |
5e6603 Housing Gp-Output
| 5E***03 | Housing Group-Output | 1 |
5e6604 Housing Gp-Vibration
| 5E***04 | Housing Group-Vibration | 1 |
Service Equipment And Supplies
5e4985 Decal Gp
| 5E***85 | Film Group | 1 |
5e6829 Film Gp-German
| 5E***29 | Film Group | 1 |
1g2764 Film Gp-Italian
| 1G***64 | Film Group | 1 |
1g2763 Film Gp-Spanish
| 1G***63 | Film Group | 1 |
1g3724 Film Gp-French
| 1G***24 | Film Group | 1 |
1g3191 Film Gp-English
| 1G***91 | Film Group | 1 |
1g2762 Film Gp-Portuguese
| 1G***62 | Film Group | 1 |
5e4995 Tool Gp
| 5E***95 | Tool Group | 1 |
5e7574 Trim Gp
| 5E***74 | Trim Group | 1 |
5e6752 Trim Gp
| 5E***52 | Trim Group | 1 |
Steering System
5e7900 Control Gp-Steering
| 5E***00 | Control Group-Steering | 1 |
5e7080 Cylinder Gp (Chg 02)
| 5E***80 | Cylinder Group | 1 |
5e7896 Cylinder Gp-Hydraulic (Chg 01)
| 5E***96 | Cylinder Group-Hydraulic | 1 |
5e7893 Lines Gp-Steering
| 5E***93 | Lines Group-Steering | 1 |
814199 Pump Gp-Steering
| 08***99 | Pump Group-Steering | 1 |
5e7908 Steering Gp
| 5E***08 | Steering Group | 1 |
Vibratory System
812786 Motor Gp-Hydraulic Vibratory Front Drum
| 08***86 | Motor Group-Hydraulic | 1 |
5e6574 Motor Gp-Hydraulic
| 5E***74 | Motor Group-Hydraulic | 1 |
5e7885 Motor Gp-Vibratory Front Drum
| 5E***85 | Motor Group-Piston | 1 |
5e7891 Vibrator Gp
| 5E***91 | Vibrator Group | 1 |
5e7892 Vibrator Gp
| 5E***92 | Vibrator Group | 1 |
Water System
1g3622 Hose Gp-Spray
| 1G***22 | Hose Group-Spray | 1 |
1g4031 Pipe Gp-Sprayer
| 1G***31 | Pipe Group-Sprayer | 1 |
5e4984 Pump Gp-Sprayer
| 5E***84 | Pump Group | 1 |
814344 Pump Gp-Sprayer
| 08***44 | Pump Group | 1 |
5e4984 Pump Gp-Water Spray
| 5E***84 | Pump Group | 1 |
1g3215 Pump Gp-Water
| 1G***15 | Pump Group-Water | 1 |
1060766 Pipe Gp-Sprayer
| 10***66 | Spray Bar As | 1 |
1057962 Pipe Gp-Sprayer
| 10***62 | Spray Bar As | 1 |
1g4033 Pipe Gp-Sprayer
| 1G***33 | Spray Bar As | 1 |
5e4948 Water Spray Gp
| 5E***48 | Spray Group-Water | 1 |
5e7921 Water Spray Gp
| 5E***21 | Spray Group-Water | 1 |
CB-224B serial number reference
The PIN/serial plate on the CB-214B/CB-224B family carries the prefix as the first three characters, followed by the sequential unit number; on pre-2001 Cat literature this prefix is quoted alone (e.g. 6LF00123), while later PIN formats embed the same prefix inside the full 17-character PIN. Exact plate placement on this specific model was not confirmed in available literature; on Cat compactors of this era it is typically riveted to the frame or an engine-side panel, so check the frame rail and engine deck and confirm placement with a dealer if the plate is not immediately visible.
| Prefix | Identifies | Notes |
|---|---|---|
| 6LF | CB-224B vibratory compactor, B-series generation (parts and service literature groups it together with the companion CB-214B under one machine series) | Sequence runs 6LF00001 and up, with sub-breaks noted in parts literature (for example 6LF1-591, 6LF592-604, 6LF875-UP) marking running changes rather than separate models. Fitted with a Hatz 2L40 or 2M40 air-cooled diesel (2-cylinder), not a Cat-branded engine. Production is generally placed starting in 1988; an end year around 1997 is documented for the companion CB-214B but not confirmed on a CB-224B-specific source, so treat the closing year as indicative only and confirm with a dealer if it matters for a specific unit. |
Frequently asked questions
What engine does the Caterpillar CB-224B use?
The CB-224B runs a Hatz 2M40, a two-cylinder, air-cooled industrial diesel producing roughly 24.5 kW (33 hp) gross. This differs from later CB-224 generations, which moved to other diesel suppliers and eventually to emissions-certified engines.
What is the operating weight of the CB-224B?
Operating weight is about 2,450 kg (5,400 lb) in base configuration. Figures vary slightly by source and by attachments or fluid fill levels, so treat this as a working figure rather than an exact spec for any single serial number.
What replaced the Caterpillar CB-224B?
Within its own family, the CB-224B was followed by the CB-224C, then the CB-224D, then the CB-224E. Cat eventually retired the lettered CB-214/224 nameplate altogether in favor of its metric-tonnage CB2.x utility compactor line, which carries forward the same 1200 mm (47 in) drum width.
What CB-224B owners discuss
What engine does the CB-224B actually run, and how does that differ from later C/D/E versions?
Is there a known weak point in the vibratory system on the B-series?
The engine runs fine but the roller won't move - what's usually at fault?
Any starting quirks specific to the Hatz-powered B-series in cold weather?
What wears out fastest on the drum and water system?
What electrical gremlins show up most on these machines?
What should I check before buying a used CB-224B?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific CB-224B part?
Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.