Caterpillarengine - machine(no series)
Caterpillar 3024
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 3024 is a naturally aspirated, mechanical (non-electronic) 4-cylinder diesel engine of 2.2 liters (84 mm bore x 100 mm stroke), built without an ECM or turbocharger. Caterpillar factory-fitted the plain 3024 to two compact machines: the Cat 902 compact wheel loader, where it is rated around 34 kW (46 hp) net, and the Cat 304.5 mini hydraulic excavator, where it is rated around 28 kW (38 hp) net. Operating weight runs roughly 4.3 metric tons (9,400 lb) for the 902 and 4.48 to 4.6 metric tons (9,870 to 10,130 lb) for the 304.5, depending on cab or canopy. The 902 entered Cat's compact wheel loader line around 1998 with a closed-loop, two-speed hydrostatic transmission, while the 304.5 mini excavator arrived shortly after and was offered with cab or canopy, standard or long stick, and rubber or steel tracks. Both machines were positioned as simple, mechanically governed alternatives to Cat's larger electronically controlled models of the era.
Caterpillar kept the plain 3024 mechanically simple and reserved it for these two compact platforms, while a separate turbocharged rating, marketed as the 3024C, went into other machines and is not interchangeable in tuning or output with this engine. Both host lines eventually moved on: the 902 wheel loader slot was superseded by the larger, turbocharged 3044C-powered 906 and 908 compact wheel loaders, and later 304.5 excavator generations switched to different engines before Cat's Next Generation 304/305 CR mini excavators replaced the class entirely. With both original host machines long out of production, they remain common in the used compact-equipment market, and because the 3024 has no ECM or emissions aftertreatment to fail, owners value it for straightforward, low-cost repairs sourced through parts dealers and salvage yards rather than dealer-only electronic diagnostics.
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 3024 specifications
Engine
| Engine model | Cat 3024, naturally aspirated (distinct from the turbocharged 3024C / later C2.2 industrial rating) |
| Configuration | In-line 4-cylinder, 4-stroke-cycle diesel, water-cooled, naturally aspirated, mechanical fuel injection |
| Displacement / bore & stroke | 2.216 L (135.2 cu in); bore 84 mm (3.31 in) x stroke 100 mm (3.94 in) |
| Gross / net power - as fitted to the compact wheel loader | Rated at 2600 rpm: gross power 36 kW (48 hp), net power 34 kW (46 hp) |
| Gross / net power - as fitted to the mini hydraulic excavator | Rated at 2300 rpm: gross power 29 kW (39 hp, SAE J1995); net/flywheel power 28 kW (38 hp, Cat standard) or 27 kW (36 hp, ISO 9249 / SAE J1349). Power figures vary by rating standard and by host machine, not by engine hardware change |
| Emissions | Meets US EPA and EU non-road emission requirements applicable at time of production; no Tier/Stage designation published for this naturally aspirated rating |
Weights
| Operating weight - compact wheel loader configuration | Approximately 4.27-4.36 t (9,410-9,610 lb); varies by source and by counterweight/bucket configuration |
| Static tipping load - compact wheel loader configuration | 3,040 kg (6,702 lb) |
| Operating weight - mini excavator configuration (with cab) | Approximately 4.6 t (10,130 lb) |
| Note | Operating weight is a function of the host machine and attachment, not the bare engine; figures above are as installed |
Dimensions
| Compact wheel loader - overall length (bucket on ground) | 5.16 m (16.92 ft) |
| Compact wheel loader - width over tires | 1.70 m (5.58 ft) |
| Compact wheel loader - ground clearance | 0.39 m (1.27 ft) |
| Compact wheel loader - tread width | 1.37 m (54 in) |
| Mini excavator - shipping length | 5.56-5.58 m (18.2-18.3 ft) |
| Mini excavator - width over tracks | 1.90-1.92 m (6.23-6.3 ft) |
| Mini excavator - height over cab/canopy | 2.53 m (8.3 ft) |
| Mini excavator - track gauge | 1.50-1.52 m (4.92-5.0 ft) |
| Mini excavator - track shoe width | 400 mm (1.31 ft) |
| Mini excavator - center ground clearance | 0.33-0.34 m (1.08-1.1 ft) |
Performance
| Compact wheel loader - max travel speed | 20 km/h (12.5 mph), forward and reverse |
| Compact wheel loader - breakout force | Approximately 34.8-36.4 kN (7,825-8,190 lb), varies by source |
| Compact wheel loader - hydraulic lift capacity | 3,538 kg (7,800 lb) |
| Compact wheel loader - raise / dump time | Raise 4.5 sec, dump 1.5 sec |
| Compact wheel loader - articulation / oscillation | 43 degree articulation, plus or minus 11 degree frame oscillation |
| Mini excavator - travel speed (high / low) | High 4.67 km/h (2.9 mph), low 2.74 km/h (1.7 mph) |
| Mini excavator - swing speed | 8.5 rpm |
| Mini excavator - max digging depth (standard stick) | 3.57 m (11.7 ft) |
| Mini excavator - max dump height (standard stick) | 4.02 m (13.2 ft) |
| Mini excavator - max horizontal reach (standard stick) | 5.82 m (19.1 ft) |
| Mini excavator - bucket digging (tear-out) force | 23.9 kN |
Service capacities (summary)
| Compact wheel loader - fuel tank | 74.2 L (19.6 gal) |
| Compact wheel loader - hydraulic system | 66.2 L (17.5 gal) |
| Compact wheel loader - engine oil | 7.9 L (2.1 gal) |
| Compact wheel loader - cooling system | 14.0 L (3.7 gal) |
| Mini excavator - fuel tank | 54.9 L (14.5 gal) |
| Mini excavator - hydraulic system | 85.2 L (22.5 gal) |
| Mini excavator - engine oil | 7.6 L (2.0 gal) |
| Mini excavator - cooling system | 6.4 L (1.7 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
3024 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 7.95 L (2.1 US gal) | Cat DEO (Diesel Engine Oil), SAE 15W-40 for ambients roughly 0°C to 40°C (32°F to 104°F); SAE 10W-30 for a wider range extending down to about -18°C (0°F) in cold climates. Meets API CI-4/CI-4 Plus. This naturally aspirated, non-ULS engine does not require a low-ash CJ-4-type oil. |
| Cooling system | 14.0 L (3.7 US gal) | Cat ELC (Extended Life Coolant) or Cat DEAC (Diesel Engine Antifreeze/Coolant), premixed 50/50 with water as the standard fill. Increase glycol concentration for lower expected ambient temperatures; do not exceed a 60 percent glycol mix. |
| Fuel tank | 74.2 L (19.6 US gal) | No. 2-D distillate diesel meeting Cat's distillate fuel specification (ASTM D975 or EN 590). Blend with No. 1-D or a winter-grade fuel in cold climates to prevent gelling and filter plugging. |
| Hydraulic system (includes hydrostatic transmission circuit) | 66.2 L (17.5 US gal), total system | Cat HYDO Advanced 10 (SAE 10W) for cold ambients down to about -20°C (-4°F); Cat HYDO Advanced 20 (SAE 20W) for moderate ranges; Cat HYDO Advanced 30 (SAE 30) for warm climates up to about 50°C (122°F). The closed-loop hydrostatic transmission draws from this same circuit; there is no separate transmission fill point on this machine. |
| Front axle (limited-slip differential and planetary wheel final drives) | Not published in available factory literature for this model; verify exact fill quantity against the OMM refill-capacities table or with a Cat dealer before service | Cat TDTO (Transmission/Drive Train Oil) gear oil family, per Cat's standard axle and final-drive fluid guidance for this compartment class. Grade by ambient temperature per the machine's viscosity chart. |
| Grease (spec only) | Spec only, no reservoir volume; applied at loader-arm pins, articulation hitch, and steering-cylinder pivots | Cat MPGM (Multipurpose Grease), NLGI 2, for normal climates. Cat Arctic Platinum Grease or an equivalent low-temperature NLGI 1/0.5 grade for sustained sub-zero operation. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 3024 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 6,000 h |
|
| Every 12,000 h |
|
Servicing the 3024 beyond the schedule
Predictive Maintenance & Fluid Analysis
Because the mechanical 3024 has no ECM to flag fault codes, S.O.S oil sampling is the main early-warning tool on these machines. Pull engine and hydraulic samples at every oil change; the 304.5's hydraulic tank sampling valve makes this quick without opening fittings. Watch fuel/water separator sediment as a sign of tank condensation on machines that sit idle, and track final drive oil condition, since sun gear and bearing wear on the 902's axles or the 304.5's final drives shows up first as metal in the sample.
Corrective & Common Repairs
Typical wear points include worn bucket, blade, and boom linkage pins and bushings from skipped grease intervals, fouled fuel filters and primer pumps on machines that sit between jobs, and corroded glow plug and starter wiring on older units. The 902's hydrostatic transmission can lose charge pressure and feel sluggish in travel; the 304.5's swing bearing wears quickly if it is submerged in water or mud and not immediately re-greased. Expect to source linkage pins, bushings, and filters through aftermarket or salvage channels as factory supply thins.
Overhaul & Rebuild Points
At major overhaul, recheck valve lash, inspect intake and exhaust manifold gaskets, and confirm injection pump timing, since nothing electronic compensates for wear on this mechanical engine. On the 902, inspect the hydrostatic pump and motor and the final drive sun gears; on the 304.5, inspect boom, stick, and bucket pin bores, linkage bushings, and undercarriage rollers against service limits. Given the age of remaining units, plan rebuilds around pins, bushings, and seals that a Cat dealer can still match to factory specification.
Seasonal & Environment Servicing
Before cold starts, verify glow plug operation and match engine oil viscosity to ambient temperature, since the 3024 relies on glow plugs alone for cold-start assist. On wet or muddy sites, re-grease the 304.5's swing bearing immediately after any water or mud immersion to prevent premature wear, and clean the 902's axle and hydrostatic components after wading through standing water. In freezing conditions, park on wood blocking and clear mud from track roller frames or wheel wells to prevent overnight freeze-lock.
3024 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 121-3661 | Filter Element As-Air | Air intake service | Check fitment → |
| 171-0493 | Filter Element As-Air | Air intake service | Check fitment → |
| 146-7472 | Filter Element As-Air | Air intake service | Check fitment → |
| 146-6388 | Filter Element-Cab Air | Air intake service | Check fitment → |
| 217-2456 | Filter Element As-Oil | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
3024 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure warning lamp (red) | Engine oil pressure has dropped below the safe minimum for current rpm | Low oil level, plugged oil filter, wrong oil viscosity, worn oil pump or bearings | Stop the engine immediately, check oil level and filter condition, do not restart until the cause is found |
| Coolant Temperature warning lamp (red) | Engine coolant temperature has exceeded the safe operating range | Low coolant level, blocked or dirty radiator core, failed thermostat, loose or broken fan belt | Reduce load and idle down, let the engine cool before checking coolant level, inspect radiator and belt for damage |
| Alternator / Charging System warning lamp | Charging system is not producing correct output voltage | Worn or broken alternator belt, failed alternator, loose or corroded battery/charging wiring | Check belt tension and battery terminal connections first, then test alternator output |
| Air Filter Restriction indicator | Air intake restriction has exceeded the allowable limit | Clogged or saturated air filter element, collapsed intake hose | Inspect the air filter element and replace or clean it, check intake piping for damage |
| Hydraulic Filter Bypass / Restriction lamp | Hydraulic return filter differential pressure is high enough that the filter is bypassing unfiltered oil | Clogged hydraulic filter element, cold hydraulic oil, wrong oil viscosity | Replace the hydraulic filter element and check oil condition and viscosity for the season |
| Glow Plug / Preheat indicator | Cold-start intake air preheat cycle is active | Normal cold-start aid cycling before and during cranking | Wait for the lamp to go out before cranking; if cold starts stay hard, check the glow plug relay and elements |
| Hydraulic Oil Temperature warning lamp | Hydraulic oil temperature has exceeded the safe operating range | Low hydraulic oil level, blocked oil cooler, relief valve stuck open, sustained high-load operation | Reduce load, check hydraulic oil level and cooler fins for blockage, let the system cool before continued work |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
3024 attachments & work tools
Model identity clarification
The 3024/3024C (also marketed as Cat C2.2) is a compact industrial diesel power unit, not a self-propelled work machine. It has no dedicated bucket, blade, or coupler ecosystem of its own; attachment and work-tool compatibility belongs to the host machine it powers, not to the engine block itself.
Primary host machines
Factory fitment covers Cat compact wheel loader/skid steer platforms in the 216B through 257B family (216B, 226B, 232B, 242B, 247B, 257B and their B2/B3 revisions) plus compact/mini excavator and wheel material handler applications such as the MH3024. Work-tool ranges and quick-coupler options are set by these host machines, not by the power unit.
PTO and flywheel arrangements
Industrial versions of this engine are offered with SAE-pattern flywheel housings and bolt-pattern PTO drive ends (commonly a 4-bolt PTO flange) so OEM integrators can mount clutches, pumps, or gearboxes. Exact SAE housing size and PTO flange vary by arrangement number and must be matched to the OEM installation, not treated as a universal fit.
Cooling package options
Available in radiator-cooled (with belt-driven pusher/puller fan) and remote/keel-cooled or heat-exchanger variants for marine and enclosed industrial installs. Fan and shroud arrangement is selected at the OEM/dealer level to suit ambient and enclosure constraints; no single standard fan package covers all installations.
Alternator/exciter and electrical drive options
For generator-set duty the engine is offered with a front or rear power take-off suited to driving an alternator end, using a coupling disc or adapter housing rather than a hydraulic quick coupler. This is an electrical/mechanical drive interface, unrelated to hydraulic work-tool attachment.
Aspiration and rating variants
Naturally aspirated and turbocharged (and turbocharged-aftercooled, T/CT) versions exist, generally rated in roughly the 50 to 62 hp range depending on aspiration and governed speed. Because the same physical arrangement family covers both engine-only industrial sales and machine-installed builds, treat power rating as varying by configuration/series rather than a single fixed figure.
Hydraulic work-tool compatibility
No brand attachment guide, work-tool catalog, or coupler system is published for the 3024/3024C as a standalone product, because it is a power unit rather than a boom, loader arm, or carrier. Bucket, fork, grapple, auger, and blade compatibility should be researched against the specific host machine model (for example the 226B skid steer or the MH3024 material handler), each of which has its own hydraulic flow, coupler, and work-tool lineup.
Guarding and mounting notes
Industrial/OEM arrangements typically ship with a base engine guard package (belt guard, fan guard) selectable per application, plus engine mounting feet or rails sized to the arrangement number. These are engine-integration options, distinct from machine-level operator guarding or attachment guarding used on the host equipment.
All 3024 assemblies by section
Every catalogued assembly group for the Caterpillar 3024. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
163-6967 Air Cleaner Gp
| 09***92 | Clamp, Hose | 3 |
| 09***85 | Clamp; (Hose) | 1 |
| 09***77 | Valve (Evacuation) | 1 |
153-7919 Gasket Gp-Exhaust Manifold
| 15***19 | Gasket Group-Exhaust Manifold | 1 |
| 15***20 | Gasket | 1 |
160-3568 Manifold Gp-Exhaust
| 15***92 | Nut | 2 |
| 15***26 | Manifold-Exhaust | 1 |
| 15***27 | Gasket-Exhaust | 1 |
154-1916 Manifold Gp-Inlet
| 15***62 | Bolt | 8 |
| 15***73 | Pin | 2 |
| 15***16 | Manifold Group-Inlet | 1 |
253-4438 Muffler & Converter
| 25***38 | Muffler & Converter | 1 |
163-6964 Muffler Gp
| 14***53 | Bolt; (M14x1.5x30-mm) | 2 |
| 14***25 | Clamp | 1 |
| 16***64 | Muffler Group | 1 |
Basic Engine
192-0134 Camshaft Gp
| 15***92 | Key-Woodruff | 1 |
| 15***04 | Camshaft As | 1 |
| 15***05 | Bearing | 1 |
154-1331 Cover Gp-Valve Mechanism
| 15***31 | Cap; (Engine Oil Filler)(Engine Oil Filler) | 1 |
| 15***33 | Seal; (Engine Oil Filler Cap) | 1 |
| 15***37 | Plate | 1 |
217-1447 Crankshaft Gp
| 15***02 | Dowel | 8 |
| 15***18 | Key | 1 |
| 15***81 | Cap As-Bearing | 1 |
192-0106 Crankshaft Gp
| 14***08 | Kit-Bearing; (Rod) | 1 |
| 15***18 | Key | 1 |
| 15***01 | Crankshaft Group | 1 |
183-1337 Cylinder Block Gp
| 15***82 | Plug | 2 |
| 15***84 | Plug | 5 |
| 15***86 | Plug | 3 |
217-7395 Cylinder Block Gp
| 15***87 | Plug | 3 |
| 15***91 | Plug | 1 |
| 15***94 | Dowel | 2 |
191-8528 Cylinder Block Gp
| 15***87 | Plug | 3 |
| 15***90 | Ball Bearing | 1 |
| 15***91 | Plug | 1 |
154-0881 Cylinder Head Gp
| 15***81 | Cylinder Head Group | 1 |
| 15***84 | Cylinder Head Group | 1 |
| 15***88 | Bolt | 14 |
154-0884 Cylinder Head Gp
| 15***56 | Pin-Cotter | 16 |
| 15***57 | Cap | 8 |
| 15***58 | Spring | 8 |
192-0115 Flywheel Gp
| 15***05 | Gear-Starter; (126-Teeth) | 1 |
| 15***06 | Bolt | 6 |
| 19***15 | Flywheel Group | 1 |
192-0116 Housing Gp-Flywheel
| 13***01 | Housing-Flywheel | 1 |
| 13***02 | Bolt | 6 |
| 15***75 | Bolt | 10 |
192-0129 Housing Gp-Front
| 15***60 | Nut | 1 |
| 15***62 | Bolt | 3 |
| 15***38 | Bolt | 2 |
339-3014 Kit-Front Gear
| 15***48 | Cover | 1 |
| 15***49 | Spring | 1 |
| 15***50 | Collar | 1 |
154-1877 Lifting Gp-Engine
| 15***75 | Bolt | 2 |
| 15***77 | Lifting Group-Engine | 1 |
| 19***73 | Plate; (Front) | 1 |
163-6965 Mounting Gp-Engine
| 09***61 | Mount-Flexible | 4 |
| 09***62 | Mount-Flexible | 4 |
| 14***53 | Bolt; (M14x1.5x30-mm) | 8 |
202-2704 Pan Gp-Oil
| 15***32 | Washer | 2 |
| 15***33 | Bolt | 30 |
| 15***35 | Seal-O-Ring | 1 |
192-0107 Piston & Rod Gp
| 15***67 | Rod As-Connecting | 4 |
| 15***69 | Bushing | 1 |
| 15***70 | Bolt | 2 |
217-1480 Piston & Rod Gp
| 14***08 | Kit-Bearing; (Rod) | 1 |
| 15***67 | Rod As-Connecting | 4 |
| 15***69 | Bushing | 1 |
154-1878 Pulley Gp-Crankshaft
| 15***92 | Nut | 4 |
| 15***92 | Key-Woodruff | 1 |
| 15***94 | Gasket | 1 |
154-1236 Valve Mechanism Gp
| 15***87 | Screw-Adjustment | 8 |
| 15***90 | Nut | 8 |
| 15***35 | Seal-O-Ring | 1 |
Cooling System
191-0558 Fan Gp-Suction
| 15***40 | Bolt | 4 |
| 15***33 | Plate | 1 |
| 16***60 | Plate | 1 |
225-8171 Liner Gp-Radiator
| 22***71 | Liner Group-Radiator | 1 |
| 22***72 | Liner | 1 |
| 22***73 | Liner | 1 |
191-9344 Pump Gp-Water
| 15***60 | Nut | 3 |
| 15***61 | Bolt | 4 |
| 15***56 | Bolt | 2 |
311-0053 Pump Gp-Water
| 15***17 | Plug | 1 |
| 15***18 | Plate | 1 |
| 15***20 | Bolt | 3 |
163-6966 Radiator & Mounting Gp
| 09***85 | Clamp; (Hose) | 2 |
| 12***74 | Valve-Drain | 1 |
| 12***76 | Clamp-Hose | 2 |
Electrical And Starting System
163-7703 Alarm Gp-Travel
| 14***40 | Screw-Machine; (M3x0.5x40-mm)(M3x0.5x40mm) | 2 |
| 16***39 | Alarm As | 1 |
| 16***03 | Alarm Group-Travel | 1 |
163-6968 Alternator Gp-Charging
| 14***52 | Alternator Group-Charging | 1 |
| 14***57 | Bracket As | 1 |
| 15***47 | Strap | 1 |
154-7807 Battery & Wiring Gp
| 0S***70 | Cap Screw (5/8" Long) | 2 |
| 10***01 | Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 3 |
192-0104 Glow Plug Gp
| 15***76 | Nut | 1 |
| 15***77 | Washer | 1 |
| 17***85 | Glow Plug | 4 |
146-6366 Lamp Gp-Flood
| 14***66 | Lamp Group-Flood; -12-Volt | 1 |
| 15***54 | Lens As; (Flood) | 1 |
| 15***55 | Body As | 1 |
128-6985 Lamp Gp-Warning Beacon
| 12***85 | Lamp Group-Warning Beacon; -Amber, Magnetic Mount, Rotating | 1 |
| 9R***42 | Plug As | 1 |
| 9R***58 | Cord As | 1 |
146-6419 Lighting Gp-Cab
| 14***66 | Lamp Group-Flood; -12-Volt | 2 |
| 14***19 | Lighting Group-Cab | 1 |
191-2931 Lighting Gp-Flood
| 14***66 | Lamp Group-Flood; -12-Volt | 2 |
| 19***30 | Plate | 1 |
| 19***31 | Lighting Group-Flood | 1 |
197-6806 Lighting Gp-Flood -Boom
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 14***66 | Lamp Group-Flood; -12-Volt | 1 |
| 16***40 | Bracket As, Clamp; Cable Thimble, Clamp | 1 |
163-7637 Lighting Gp-Flood
| 14***66 | Lamp Group-Flood; -12-Volt | 1 |
| 16***40 | Bracket As, Clamp; Cable Thimble, Clamp | 1 |
| 16***37 | Lighting Group-Flood; -Boom | 1 |
152-8151 Lighting Gp-Warning Beacon
| 10***50 | Switch As-Rocker; (Warning Beacon, Power Recep)(Warning Beacon) | 1 |
| 11***99 | Gasket; (Air Conditioner Control) | 1 |
| 12***85 | Lamp Group-Warning Beacon; -Amber, Magnetic Mount, Rotating | 1 |
138-2219 Starting Motor Gp-Electric
| 13***19 | Starting Motor Group-Electric | 1 |
| 15***49 | Starting Motor Group-Electric | 1 |
| 8T***21 | Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm) | 2 |
161-8270 Switch Gp-Pressure -Oil
| 15***17 | Switch Group-Pressure; (Engine Oil) | 1 |
| 15***35 | Seal-O-Ring | 1 |
| 16***70 | Switch Group-Pressure; -Oil | 1 |
145-8237 Wiring Gp-Cab
| 14***37 | Wiring Group-Cab | 1 |
| 15***91 | Harness As-Lighting | 1 |
| 15***87 | Grommet | 2 |
145-8236 Wiring Gp-Cab
| 08***77 | Lamp Group-Dome; (12-Volt) | 1 |
| 14***36 | Wiring Group-Cab | 1 |
| 15***92 | Harness As-Cab | 1 |
Engine Arrangement
231-7678 Engine Ar-Primary
| 15***19 | Gasket Group-Exhaust Manifold | 1 |
| 15***81 | Cylinder Head Group | 1 |
| 15***36 | Valve Mechanism Group | 1 |
168-3313 Engine Ar-Primary
| 15***19 | Gasket Group-Exhaust Manifold | 1 |
| 15***81 | Cylinder Head Group | 1 |
| 15***36 | Valve Mechanism Group | 1 |
163-6963 Installation Ar-Engine
| 13***19 | Starting Motor Group-Electric | 1 |
| 16***63 | Installation Ar-Engine | 1 |
| 16***64 | Muffler Group | 1 |
Frame And Body
163-7679 Counterweight Gp
| 14***48 | Washer | 4 |
| 14***33 | Shim | 10 |
| 14***62 | Seal | 1 |
163-9994 Cover Gp-Side
| 14***54 | Plate As | 1 |
| 14***74 | Collar | 2 |
| 15***41 | Seal | 1 |
163-9993 Cover Gp-Side
| 14***38 | Spring | 1 |
| 14***97 | Stay | 1 |
| 14***74 | Collar | 2 |
172-2726 Cover Gp-Side
| 15***41 | Seal | 1 |
| 15***50 | Seal | 1 |
| 17***26 | Cover Group-Side | 1 |
172-2069 Firewall Gp
| 14***58 | Seal | 1 |
| 14***22 | Seal | 1 |
| 14***24 | Seal | 1 |
163-9999 Frame Gp-Swing
| 14***34 | Collar | 6 |
| 14***30 | Shim; (1.2-mm Thk) | 1 |
| 14***52 | Bushing | 1 |
169-1337 Frame Gp-Upper
| 09***65 | Grommet | 1 |
| 14***38 | Seal | 1 |
| 14***32 | Seal | 2 |
172-0620 Guard Gp-Bottom
| 17***20 | Guard Group-Bottom | 1 |
| 17***21 | Plate As | 1 |
| 18***49 | Plate As | 1 |
172-2742 Hood Gp
| 15***37 | Seal | 2 |
| 15***34 | Seal | 1 |
| 17***42 | Hood Group | 1 |
154-7805 Hood Gp
| 14***14 | Bracket As | 1 |
| 15***05 | Hood Group | 1 |
| 17***27 | Hook As | 1 |
146-5976 Lines Gp-Grease
| 14***76 | Lines Group-Grease | 1 |
| 15***79 | Adapter | 1 |
| 3B***86 | Fitting-Grease; (Hydraulic) | 2 |
163-7705 Plate Gp-Firewall
| 14***95 | Hose; (650-cm Each) | 0 |
| 16***05 | Plate Group-Firewall | 1 |
| 17***69 | Firewall Group | 1 |
Fuel System
172-0714 Control Gp-Governor
| 09***09 | Nut; (M16x2.0 Thd) | 2 |
| 09***35 | Washer-Hard | 3 |
| 13***04 | Washer-Bevel; (1.8mm Thk) | 4 |
158-5726 Control Gp-Governor
| 14***11 | Cover As | 1 |
| 14***90 | Bracket | 1 |
| 14***92 | Cable As | 1 |
154-7809 Filter & Lines Gp-Fuel
| 15***09 | Filter & Lines Group-Fuel | 1 |
| 15***75 | Bracket As | 1 |
| 16***14 | Tube As | 2 |
144-9962 Filter Gp-Water Sep & Fuel
| 11***01 | Bowl As-Water Collection | 1 |
| 11***18 | Ring-Retaining | 1 |
| 11***19 | Nut | 1 |
191-9301 Governor Gp
| 15***60 | Nut | 6 |
| 15***83 | Pin | 1 |
| 15***87 | Washer | 1 |
176-7711 Pump & Mtg Gp-Fuel Transfer
| 15***73 | Bolt | 2 |
| 17***11 | Pump & Mtg Group-Fuel Transfer | 1 |
| 29***70 | Pump As-Fuel Transfer | 1 |
191-9337 Pump Gp-Fuel Injection
| 19***37 | Pump Group-Fuel Injection | 1 |
| 20***18 | Seal-O-Ring | 4 |
| 20***21 | Washer | 4 |
306-6346 Pump Gp-Fuel Injection
| 20***26 | Bolt-Special; (Banjo) | 1 |
| 20***27 | Washer | 2 |
| 20***28 | Connector | 1 |
191-9340 Pump Gp-Fuel Injection
| 15***92 | Nut | 3 |
| 15***60 | Nut | 3 |
| 15***09 | Solenoid; (Fuel Shutoff) | 1 |
176-9954 Pump Gp-Fuel Prm & Prim Filter
| 12***59 | Pump Group-Fuel Priming | 1 |
| 12***62 | Bladder | 1 |
| 14***62 | Filter Group-Water Sep & Fuel | 1 |
154-2387 Pump Gp-Fuel Transfer
| 15***71 | Gasket | 1 |
| 15***72 | Bolt | 1 |
| 15***73 | Bolt | 1 |
158-5722 Tank Gp-Fuel
| 12***11 | Valve-Ball | 1 |
| 14***53 | Seal | 2 |
| 14***36 | Shim | 1 |
Hydraulic System
5i-8416 Accumulator Gp-Hydraulic -Charged
| 08***54 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
| 4I***67 | Cap | 1 |
| 5I***16 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
087-4456 Accumulator Gp-Hydraulic -Charged
| 08***56 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
| 4I***36 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
| 5I***16 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
199-7447 Accumulator Gp-Hydraulic -Uncharged
| 19***47 | Accumulator Group-Hydraulic; -Uncharged-Pilot Oil | 1 |
| 4I***39 | Core | 1 |
| 4I***62 | Cap | 1 |
087-4454 Accumulator Gp-Hydraulic -Charged
| 08***54 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
| 08***75 | Core | 1 |
| 08***76 | Cap | 1 |
4i-1536 Accumulator Gp-Hydraulic -Charged
| 4I***36 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
| 4I***39 | Core | 1 |
| 4I***62 | Cap | 1 |
163-6962 Cooler Gp-Hydraulic Oil
| 16***62 | Cooler Group-Hydraulic Oil | 1 |
| 18***46 | Cooler As-Oil | 1 |
| 8T***21 | Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm) | 2 |
163-6973 Cylinder Gp-Blade
| 09***90 | Seal-U-Cup | 1 |
| 09***29 | Seal-Lip Type | 1 |
| 14***66 | Bushing | 2 |
163-6970 Cylinder Gp-Boom
| 14***66 | Bushing | 2 |
| 16***70 | Cylinder Group-Boom | 1 |
| 19***95 | Bolt | 2 |
163-6972 Cylinder Gp-Bucket
| 09***29 | Seal-Lip Type | 2 |
| 09***21 | Seal-O-Ring | 1 |
| 14***67 | Bushing | 1 |
170-8945 Cylinder Gp-Stick
| 09***22 | Seal-O-Ring (Id=69.60mm) | 2 |
| 09***90 | Seal-U-Cup | 1 |
| 09***29 | Seal-Lip Type | 1 |
163-6971 Cylinder Gp-Swing Boom
| 09***13 | Seal-O-Ring | 3 |
| 09***23 | Seal-O-Ring (Id=79.60mm) | 2 |
| 09***90 | Seal-U-Cup | 1 |
161-2487 Drain Gp-Ecology
| 10***39 | Plug As-Drain; (Hydraulic Tank) | 1 |
| 15***27 | Tube As-Drain | 1 |
| 16***87 | Drain Group-Ecology | 1 |
163-6950 Hydraulic Ar
| 14***59 | Control & Mtg Group-Joystick | 1 |
| 16***49 | Tank Group-Hydraulic | 1 |
| 16***50 | Hydraulic Ar | 1 |
154-7826 Lines Gp-Blade
| 15***26 | Lines Group-Blade | 1 |
| 17***88 | Hose As | 1 |
| 17***89 | Hose As | 1 |
164-0004 Lines Gp-Boom Cylinder
| 16***65 | Hose As | 2 |
| 16***04 | Lines Group-Boom Cylinder | 1 |
| 19***62 | Connector | 1 |
154-2655 Lines Gp-Bucket Cylinder
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 2 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 2 |
| 15***55 | Lines Group-Bucket Cylinder | 1 |
164-0006 Lines Gp-Bucket Cylinder
| 14***18 | Clamp | 2 |
| 16***56 | Tube As | 1 |
| 16***58 | Hose As | 2 |
154-2654 Lines Gp-Bucket Cylinder
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 2 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 2 |
| 15***54 | Lines Group-Bucket Cylinder | 1 |
163-7661 Lines Gp-Bucket Cylinder
| 14***18 | Clamp | 2 |
| 16***61 | Lines Group-Bucket Cylinder | 1 |
| 16***56 | Tube As | 1 |
180-4179 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 16***79 | Adapter | 2 |
163-6953 Lines Gp-Front
| 09***68 | Bolt, Hexagon Socket | 2 |
| 14***04 | Grommet | 1 |
| 14***02 | Collar | 2 |
163-6955 Lines Gp-Hydraulic Pump
| 12***40 | Hose | 1 |
| 14***54 | Clamp | 2 |
| 14***76 | Plate | 1 |
154-7841 Lines Gp-Load Control Valve
| 15***41 | Lines Group-Load Control Valve | 1 |
| 16***42 | Bolt; (M10x1.5x55-mm) | 1 |
| 16***27 | Valve Group-Load Control; -Tilt Cylinder | 1 |
163-6957 Lines Gp-Pilot
| 08***56 | Accumulator Group-Hydraulic; -Charged-Pilot Oil | 1 |
| 14***69 | Valve Group-Solenoid; -Boom Lowering | 1 |
| 14***86 | Manifold Group-Control; -Pilot, Travel Speed | 1 |
170-8946 Lines Gp-Pilot
| 09***79 | Tape-Color; (White) | 4 |
| 09***80 | Tape - Color; (Blue) | 4 |
| 15***45 | Connector | 3 |
187-1892 Lines Gp-Pilot
| 16***74 | Valve Group-Selector; -Joystick Pattern | 1 |
| 17***35 | Film-Instruction; (Control Pattern) | 1 |
| 17***95 | Tube As | 1 |
163-6954 Lines Gp-Return
| 09***90 | Clamp; (Hose) (26-39mm Id) | 10 |
| 14***70 | Hose | 2 |
| 14***71 | Hose | 2 |
164-0001 Lines Gp-Stick Cylinder
| 16***52 | Tube As | 2 |
| 16***53 | Hose As | 2 |
| 16***01 | Lines Group-Stick Cylinder | 1 |
163-6952 Lines Gp-Swing Motor
| 16***52 | Lines Group-Swing Motor | 1 |
| 17***24 | Hose As | 1 |
| 17***25 | Hose As | 1 |
163-6951 Lines Gp-Travel Motor
| 09***85 | Tape-Color; (Red) | 4 |
| 14***20 | Grommet | 4 |
| 15***33 | Swivel Group | 1 |
163-6976 Lines Gp-Work Tool
| 09***90 | Clamp, Single | 4 |
| 14***40 | Bracket | 1 |
| 14***36 | Bracket | 1 |
144-5986 Manifold Gp-Control
| 09***19 | Seal-O-Ring (Id=15.80mm) | 2 |
| 09***22 | Bolt-Socket Head; (M5x0.8x10-mm) | 4 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 2 |
163-6948 Motor & Mtg Gp-Swing
| 16***48 | Motor & Mtg Group-Swing | 1 |
| 17***21 | Motor Group-Swing | 1 |
| 8T***40 | Bolt-Plt; (M16 X 2.0 X 60) | 8 |
171-0521 Motor Gp-Swing
171-0503 Motor Gp-Travel
| 09***74 | Seal-O-Ring (Id=6.8mm); (Id=6.80mm) | 1 |
| 09***80 | Seal-O-Ring (Id=11.80mm) | 2 |
| 09***90 | Seal-O-Ring (Id=21.80mm) | 2 |
206-3927 Motor Gp-Travel
| 09***36 | Ring; (Retaining) | 1 |
| 15***23 | Block | 1 |
| 15***25 | Plate | 1 |
163-6958 Pump & Mtg Gp-Piston & Gear
| 10***80 | Boss | 2 |
| 14***62 | Flange-Nylon | 1 |
| 15***03 | Hub | 1 |
194-4630 Pump Gp-Gear
| 07***41 | Seal; (30.3mm Od) | 2 |
| 08***91 | Ring; (Square) | 2 |
| 09***78 | Seal-O-Ring (Id=9.80mm) | 1 |
171-0492 Pump Gp-Piston & Gear
| 07***41 | Seal; (30.3mm Od) | 1 |
| 09***42 | Ring-Retaining | 1 |
| 09***43 | Seal-O-Ring | 1 |
155-6933 Swivel Gp
| 09***23 | Seal-O-Ring (Id=79.60mm) | 1 |
| 09***13 | Seal-O-Ring; (Id=94.40mm) | 1 |
| 09***97 | Washer, Spring | 4 |
163-6949 Tank Gp-Hydraulic
| 09***78 | Seal-O-Ring (Id=9.80mm) | 4 |
| 09***82 | Seal-O-Ring (Id=13.80mm) | 4 |
| 09***06 | Seal-O-Ring; (41.7mm Id ) | 1 |
163-7706 Valve & Mtg Gp-Bank
| 14***16 | Shim; (0.4-mm Thk) | 2 |
| 14***18 | Washer; (21x29x1-mm Thk) | 5 |
| 14***24 | Bushing | 2 |
163-6956 Valve Gp-Bank
| 14***21 | Ring-Retaining | 5 |
| 14***09 | Link | 5 |
| 14***12 | Pin | 5 |
171-0522 Valve Gp-Bank
| 14***71 | Spring | 3 |
| 14***72 | Seal | 13 |
| 14***73 | Bolt | 3 |
207-0771 Valve Gp-Control
| 09***80 | Seal-O-Ring (Id=11.80mm) | 2 |
| 09***45 | Plug, Tapered | 3 |
| 09***95 | Pin, Dowel | 2 |
166-8227 Valve Gp-Load Control
| 16***27 | Valve Group-Load Control; -Tilt Cylinder | 1 |
| 17***35 | Kit-Seal; (Load Control Valve) | 1 |
163-7520 Valve Gp-Manual
| 09***76 | Seal-O-Ring | 1 |
| 09***85 | Seal- -O-Ring (17.80 mm Id) | 1 |
| 09***79 | Ring-Backup | 1 |
164-2274 Valve Gp-Selector -Joystick Pattern
| 11***83 | Pin-Spring | 1 |
| 16***74 | Valve Group-Selector; -Joystick Pattern | 1 |
| 16***76 | Kit-Seal; (Select Valve) | 1 |
143-2269 Valve Gp-Solenoid
| 09***19 | Seal-O-Ring (Id=15.80mm) | 1 |
| 09***22 | Bolt-Socket Head; (M5x0.8x10-mm) | 2 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
Implements
169-1336 Boom Ar
| 16***70 | Cylinder Group-Boom | 1 |
| 16***71 | Cylinder Group-Swing Boom | 1 |
| 16***98 | Boom Group | 1 |
163-9998 Boom Gp
| 14***63 | Cap | 2 |
| 14***80 | Washer; (10.5x32x3.2-mm Thk) | 1 |
| 14***66 | Bushing | 2 |
168-8710 Bracket Gp-Mounting
| 16***10 | Bracket Group-Mounting | 1 |
| 16***11 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 8 |
154-7823 Linkage Ar-Bucket
| 15***23 | Linkage Ar-Bucket | 1 |
| 16***72 | Cylinder Group-Bucket | 1 |
| 16***02 | Linkage Group-Bucket | 1 |
164-0002 Linkage Gp-Bucket
| 14***41 | Shim; (1-mm Thk) | 4 |
| 14***68 | Bushing | 2 |
| 14***34 | Collar | 1 |
204-4839 Linkage Gp-Bucket
| 09***29 | Seal-Lip Type | 2 |
| 09***30 | Seal-Lip Type | 4 |
| 14***41 | Shim; (1-mm Thk) | 4 |
204-4850 Linkage Gp-Bucket
| 09***29 | Seal-Lip Type | 6 |
| 14***41 | Shim; (1-mm Thk) | 6 |
| 14***68 | Bushing | 2 |
169-1325 Stick & Bearing As
| 14***66 | Bushing | 2 |
| 14***68 | Bushing | 2 |
| 14***04 | Bushing | 2 |
163-7660 Stick Ar
| 16***60 | Stick Ar; -Standard | 1 |
| 16***61 | Lines Group-Bucket Cylinder | 1 |
| 16***13 | Stick Group-Hoe; -Standard | 1 |
164-0005 Stick Ar
| 16***62 | Stick Group-Hoe | 1 |
| 16***05 | Stick Ar; -Long | 1 |
| 16***06 | Lines Group-Bucket Cylinder | 1 |
164-0000 Stick Ar
| 16***00 | Stick Ar | 1 |
| 16***01 | Lines Group-Stick Cylinder | 1 |
| 17***45 | Cylinder Group-Stick | 1 |
163-7662 Stick Gp-Hoe
| 14***66 | Bushing | 2 |
| 14***68 | Bushing | 2 |
| 14***34 | Collar | 2 |
164-0013 Stick Gp-Hoe
| 09***30 | Seal-Lip Type | 2 |
| 14***66 | Bushing | 2 |
| 14***68 | Bushing | 2 |
Lubrication System
202-2701 Filter Gp-Engine Oil
| 15***40 | Filter Element-Engine Oil; (Engine) | 1 |
| 15***36 | Washer | 4 |
| 15***79 | Stud-Hollow | 1 |
Machine Arrangement
154-7803 Chassis Ar
| 14***76 | Lines Group-Grease | 1 |
| 15***03 | Chassis Ar | 1 |
| 15***05 | Hood Group | 1 |
154-7810 Common Ar
| 15***02 | Operator Ar | 1 |
| 15***03 | Chassis Ar | 1 |
| 15***10 | Common Ar | 1 |
Operator Station
165-2648 Cab Ar
| 14***14 | Filter Group-Cab Air | 1 |
| 16***47 | Washer Group-Window | 1 |
| 16***48 | Cab Ar | 1 |
165-2704 Cab Gp-Enclosed Rops
| 10***43 | Seal; (32-cm Each) | 0 |
| 10***11 | Screw-Machine; (3/8-16x0.75-In) | 1 |
| 11***84 | Bumper | 2 |
165-2700 Cab Gp-Enclosed Rops
| 14***36 | Wiring Group-Cab | 1 |
| 14***36 | Wiper Group-Window | 1 |
| 16***49 | Door Group-Cab | 1 |
165-2660 Canopy Ar-Open Rops
| 16***58 | Mounting Group-Platform | 1 |
| 16***60 | Canopy Ar-Open Rops | 1 |
| 16***01 | Canopy Group-Open Rops | 1 |
165-2703 Canopy Gp-Open Rops
| 14***25 | Window | 1 |
| 14***68 | Plug | 10 |
| 15***50 | Handrail | 2 |
165-2701 Canopy Gp-Open Rops
| 14***37 | Wiring Group-Cab | 1 |
| 16***01 | Canopy Group-Open Rops | 1 |
| 16***03 | Canopy Group-Open Rops | 1 |
163-7695 Console Gp-Operator
| 13***65 | Bushing-Plastic | 2 |
| 16***95 | Console Group-Operator; -Rh | 1 |
| 17***38 | Box As-Console | 1 |
163-7696 Console Gp-Operator
| 11***77 | Latch As-Rotary; (Rh) | 1 |
| 13***65 | Bushing-Plastic | 2 |
| 14***05 | Link | 1 |
149-3859 Control & Mtg Gp-Joystick
| 14***84 | Control Group-Joystick; -Lh | 1 |
| 14***85 | Control Group-Joystick; -Rh | 1 |
| 14***59 | Control & Mtg Group-Joystick | 1 |
158-5744 Control Gp-Blade
| 14***80 | Cable As | 1 |
| 15***44 | Control Group-Blade | 1 |
| 17***60 | Rod End | 1 |
158-5729 Control Gp-Hydraulic Hand
| 09***32 | Knob; (Lh Travel Lever) | 1 |
| 09***33 | Knob; (Rh Travel Lever) | 1 |
| 12***40 | Boot | 2 |
144-5985 Control Gp-Joystick
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 12***52 | Kit-Cap | 1 |
| 14***85 | Control Group-Joystick; -Rh | 1 |
144-5984 Control Gp-Joystick
| 14***84 | Control Group-Joystick; -Lh | 1 |
| 15***39 | Handle-Lh | 1 |
| 15***41 | Lever | 1 |
165-2649 Door Gp-Cab
| 14***47 | Ring-Retaining | 1 |
| 14***48 | Pin | 1 |
| 14***52 | Glass | 1 |
199-5996 Door Gp-Cab
| 14***47 | Ring-Retaining | 2 |
| 14***48 | Pin | 2 |
| 14***54 | Hinge As | 4 |
147-3314 Filter Gp-Cab Air
| 14***88 | Filter Element-Cab Air; (Air) | 1 |
| 14***89 | Housing-Filter | 1 |
| 14***14 | Filter Group-Cab Air | 1 |
203-2311 Gauge Gp-Cluster
| 09***78 | Screw; (Pan Head) | 2 |
| 10***01 | Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge) | 1 |
| 14***57 | Knob | 1 |
176-5530 Guard & Mtg Gp-Cab
| 17***53 | Guard Group-Cab | 1 |
| 17***30 | Guard & Mtg Group-Cab; -Front Glass | 1 |
| 5P***76 | Washer Guard To Support Assembly And Guard Assembly | 6 |
176-5531 Guard Gp-Cab
| 17***52 | Guard Group-Cab; (Front Screen) | 1 |
| 17***31 | Guard Group-Cab; -Front Screen | 1 |
| 5P***76 | Washer Guard To Support Assembly And Guard Assembly | 4 |
176-1353 Guard Gp-Cab
| 17***53 | Guard Group-Cab | 1 |
| 17***55 | Glass; (Bottom) | 1 |
| 17***56 | Glass; (Top) | 1 |
192-5485 Heater & Mtg Gp-Cab
| 14***35 | Heater Group-Cab | 1 |
| 19***85 | Heater & Mtg Group-Cab | 1 |
| 5D***26 | Clamp-Band; (9/16 To 1 1/16) | 2 |
146-6335 Heater Gp-Cab
| 10***55 | Housing-Switch; (Lights) | 1 |
| 11***99 | Gasket; (Air Conditioner Control) | 1 |
| 11***19 | Switch As-Rocker; (Blower Fan Speed)(Heater Fan) | 1 |
146-6387 Heater Gp-Cab
| 14***70 | Clip | 8 |
| 14***73 | Coil As | 1 |
| 14***74 | Valve As | 1 |
149-7851 Installation Gp-Radio
| 10***81 | Cable As-Coaxial | 1 |
| 14***51 | Installation Group-Radio | 1 |
| 17***75 | Installation Group-Radio | 1 |
165-2706 Liner Gp-Cab
| 14***43 | Hook-Coat | 1 |
| 14***25 | Cover | 1 |
| 16***34 | Cover | 1 |
165-2705 Liner Gp-Cab
| 10***55 | Cover-Speaker | 1 |
| 12***51 | Screw-Pan Head | 4 |
| 13***13 | Nut; (M4x0.7-Thd) | 4 |
163-7632 Lines Gp-Heater
| 09***79 | Tape-Color; (White) | 2 |
| 16***32 | Lines Group-Heater | 1 |
| 1L***79 | Elbow-Pipe; (3/8 In Pipe) | 1 |
178-9525 Mirror Gp-Rear View
| 17***25 | Mirror Group-Rear View; -Lh | 1 |
| 18***78 | Mirror Group-Rear View | 1 |
183-3883 Mirror Gp-Rear View
| 13***66 | Mirror Group-Rear View | 1 |
| 18***83 | Mirror Group-Rear View | 1 |
| 5P***16 | Washer; (Hard) (8.8x20.5x2mm Thk) | 2 |
183-3878 Mirror Gp-Rear View
| 13***66 | Mirror Group-Rear View | 1 |
| 18***78 | Mirror Group-Rear View | 1 |
| 6R***89 | Bracket-Mounting | 1 |
178-9526 Mirror Gp-Rear View
| 17***26 | Mirror Group-Rear View; -Rh | 1 |
| 18***83 | Mirror Group-Rear View | 1 |
146-6431 Motor Gp-Window Wiper
| 10***05 | Kit-Receptacle; (6-Pin)(Display Monitor Harness) | 1 |
| 14***31 | Motor Group-Window Wiper; -12-Volt | 1 |
| 3E***83 | Wedge-Receptacle Lock; (6-Pin) | 1 |
165-2659 Mounting Gp-Cab
| 09***59 | Bolt; (M14x2x60-mm) | 4 |
| 11***76 | Seal; (5.5-cm Each) | 0 |
| 14***95 | Mount As | 4 |
172-2137 Mounting Gp-Control
| 09***30 | Pin, Spring | 1 |
| 14***24 | Bushing | 2 |
| 17***97 | Bracket As | 1 |
165-2658 Mounting Gp-Platform
| 09***59 | Bolt; (M14x2x60-mm) | 4 |
| 14***96 | Lock Pin | 2 |
| 16***41 | Plate As | 1 |
154-7802 Operator Ar
| 15***02 | Operator Ar | 1 |
| 15***15 | Platform Group | 1 |
| 15***29 | Control Group-Hydraulic Hand | 1 |
148-5165 Pedal Gp-Foot
| 14***65 | Pedal Group-Foot | 1 |
| 14***82 | Pedal As | 1 |
| 14***84 | Pedal As | 1 |
172-0706 Pedal Gp-Foot
| 12***58 | Pedal-Rubber | 2 |
| 13***93 | Collar | 2 |
| 13***30 | Bushing | 2 |
154-7815 Platform Gp
| 13***41 | Hinge | 2 |
| 14***95 | Grommet | 1 |
| 15***15 | Platform Group | 1 |
200-8085 Seat Belt Gp
| 0T***44 | Bolt (1.25" Long) | 2 |
| 20***85 | Seat Belt Group | 1 |
| 7X***07 | Washer-Hard; (12x22.5x5-mm Thk) | 2 |
200-8084 Seat Belt Gp
| 0T***44 | Bolt (1.25" Long) | 2 |
| 20***84 | Seat Belt Group | 1 |
| 7X***07 | Washer-Hard; (12x22.5x5-mm Thk) | 2 |
191-2022 Seat Belt Gp
| 16***54 | Spacer | 2 |
| 19***22 | Seat Belt Group | 1 |
| 8S***34 | Locknut; (Flange) (7/16-20 Thd) | 2 |
191-2023 Seat Belt Gp
| 16***54 | Spacer | 2 |
| 19***23 | Seat Belt Group | 1 |
| 8S***34 | Locknut; (Flange) (7/16-20 Thd) | 2 |
165-0231 Seat Gp
| 16***31 | Seat Group | 1 |
| 16***33 | Seat Group-Suspension | 1 |
| 8T***24 | Washer-To Assemble Valve As And Plates | 6 |
165-0232 Seat Gp
| 16***32 | Seat Group | 1 |
| 16***35 | Seat Group-Suspension; -Vinyl | 1 |
| 8T***24 | Washer-To Assemble Valve As And Plates | 6 |
165-0233 Seat Gp-Suspension
| 15***11 | Kit-Spring; (Adjustable Seat) | 1 |
| 15***13 | Kit-Cushion; (Adjustable Seat) | 1 |
| 15***15 | Kit-Damper; (Adjustable Seat) | 1 |
165-0235 Seat Gp-Suspension
| 15***11 | Kit-Spring; (Adjustable Seat) | 1 |
| 15***12 | Kit-Cushion; (Adjustable Seat) | 1 |
| 15***15 | Kit-Damper; (Adjustable Seat) | 1 |
158-5731 Support Gp-Seat
| 0L***13 | Nut-Special; (1/2unf) | 2 |
| 10***56 | Plug; (Switch) | 3 |
| 14***80 | Box-Console | 1 |
163-7694 Support Gp-Seat
| 10***08 | Bumper; (Conical) | 1 |
| 13***52 | Shaft As | 2 |
| 14***76 | Cylinder As-Gas | 1 |
150-9292 Tank Gp-Window Washer
| 15***92 | Tank Group-Window Washer | 1 |
| 15***00 | Pump As | 1 |
| 15***01 | Cap | 1 |
165-2647 Washer Gp-Window
| 11***99 | Gasket; (Air Conditioner Control) | 1 |
| 12***36 | Connector | 1 |
| 15***92 | Tank Group-Window Washer | 1 |
174-7776 Window Gp-Cab
| 09***33 | Bolt-Socket Head; (M5x0.8x20-mm) | 2 |
| 13***70 | Seal; (326-cm) | 0 |
| 13***85 | Rivet-Pop | 2 |
174-7777 Window Gp-Cab
| 14***87 | Cushion | 2 |
| 15***45 | Guide-Lh | 2 |
| 15***46 | Guide-Rh | 2 |
146-6436 Wiper Gp-Window
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 13***94 | Nozzle As-Washer | 1 |
| 14***46 | Clip | 1 |
Power Train
199-5148 Drive Gp-Final
| 09***75 | Seal - O-Ring (7.80 mm Id) | 1 |
| 09***80 | Seal-O-Ring (Id=11.80mm) | 2 |
| 09***82 | Seal-O-Ring (Id=13.80mm) | 3 |
206-3926 Final Drive Gp
| 09***75 | Seal - O-Ring (7.80 mm Id) | 1 |
| 09***82 | Seal-O-Ring (Id=13.80mm) | 3 |
| 09***89 | Seal-O-Ring | 1 |
163-6947 Motor & Mtg Gp-Travel
| 08***68 | Bolt; (M14x2x40-mm) | 18 |
| 16***47 | Motor & Mtg Group-Travel | 1 |
| 17***03 | Motor Group-Travel | 2 |
154-7822 Power Train Ar
| 15***22 | Power Train Ar | 1 |
| 16***47 | Motor & Mtg Group-Travel | 1 |
| 16***48 | Motor & Mtg Group-Swing | 1 |
163-9997 Sprocket Gp
| 08***68 | Bolt; (M14x2x40-mm) | 9 |
| 15***95 | Sprocket | 1 |
| 16***97 | Sprocket Group | 1 |
Service Equipment And Supplies
185-3338 Film Gp
| 13***30 | Film-Stripe; (Stripe)(218cm) | 0 |
| 18***41 | Film; (304.5) | 1 |
| 18***38 | Film Group; -Canopy | 1 |
185-2739 Film Gp
| 13***52 | Film-Identification; (Cat, Rh) | 1 |
| 13***30 | Film-Stripe; (Stripe)(218cm) | 0 |
| 13***11 | Film-Cat; (Cat, Lh) | 1 |
185-3339 Film Gp
| 12***73 | Film-Identification; (Caterpillar) | 1 |
| 13***30 | Film-Stripe; (Stripe)(218cm) | 0 |
| 18***39 | Film Group; -Canopy | 1 |
185-2626 Film Gp
| 12***73 | Film-Identification; (Caterpillar) | 1 |
| 13***30 | Film-Stripe; (Stripe)(218cm) | 0 |
| 18***26 | Film Group; -Cab | 1 |
175-4841 Plate & Film Gp
| 12***06 | Film-Warning; (Next To Radiator Fill Cap) | 1 |
| 15***37 | Film-Warning; (Read Omm, Qcplr, Radio, Ether) | 1 |
| 15***30 | Film-Warning; (Cable Connection) | 1 |
175-4847 Plate & Film Gp
| 15***82 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 16***00 | Plate & Film Group | 1 |
| 17***46 | Film-Warning; (Clearance) | 1 |
175-4848 Plate & Film Gp
| 12***43 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***20 | Film-Warning; (Machine Operation)(Universal) | 1 |
| 15***97 | Film-Warning; (Cable Connection) | 1 |
175-4843 Plate & Film Gp
| 12***39 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***16 | Film-Warning; (Machine Operation)(Universal) | 1 |
| 15***95 | Film-Warning; (Cable Connection) | 1 |
175-4846 Plate & Film Gp
| 12***42 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***22 | Film-Warning; (Universal) | 1 |
| 15***99 | Film-Warning; (Cable Connection) | 1 |
175-4837 Plate & Film Gp
| 13***88 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***27 | Film-Warning; (Universal) | 1 |
| 15***03 | Film-Warning; (Cable Connection) | 1 |
175-4840 Plate & Film Gp
| 12***44 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***26 | Film-Warning; (Universal) | 1 |
| 15***02 | Film-Warning; (Cable Connection) | 1 |
175-4842 Plate & Film Gp
| 10***45 | Film-Warning; (Clearance) | 1 |
| 13***90 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***40 | Film-Warning; (Universal) | 1 |
175-4844 Plate & Film Gp
| 12***41 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***21 | Film-Warning; (Universal) | 1 |
| 15***98 | Film-Warning; (Cable Connection) | 1 |
175-4838 Plate & Film Gp
| 14***65 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 16***00 | Plate & Film Group | 1 |
| 17***44 | Film-Warning; (Clearance) | 1 |
175-4839 Plate & Film Gp
| 12***46 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***23 | Film-Warning; (Universal) | 1 |
| 15***00 | Film-Warning; (Cable Connection) | 1 |
154-7808 Plate & Film Gp
| 12***29 | Film; (Accum, High Press, Read Omm) | 1 |
| 15***08 | Plate & Film Group | 1 |
| 19***56 | Plate; (Product Identification) | 1 |
175-4850 Plate & Film Gp
| 10***62 | Film-Warning; (Clearance) | 1 |
| 13***91 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***30 | Film-Warning; (Universal) | 1 |
175-4845 Plate & Film Gp
| 12***45 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***25 | Film-Warning; (Universal) | 1 |
| 15***01 | Film-Warning; (Cable Connection) | 1 |
175-4849 Plate & Film Gp
| 12***40 | Film-Warning; (Hot Fluid Under Pressure) | 1 |
| 15***18 | Film-Warning; (Machine Operation)(Universal) | 1 |
| 15***96 | Film-Warning; (Cable Connection) | 1 |
165-6300 Plate & Film Gp
| 13***58 | Film; (Identification) (On Radiator Filler Cap) (On Near Of Radiator Filler Cap) | 1 |
| 15***79 | Plate-Identification; (Circuit Breaker) | 1 |
| 15***84 | Film-Instruction; (Blade) | 1 |
Undercarriage
185-9232 Cylinder Gp-Idler -Lh
| 09***04 | Seal-O-Ring (Id=39.70mm) | 1 |
| 09***94 | Ring-Backup | 1 |
| 12***63 | Piston | 1 |
185-9233 Cylinder Gp-Idler -Rh
| 09***04 | Seal-O-Ring (Id=39.70mm) | 1 |
| 09***94 | Ring-Backup | 1 |
| 12***63 | Piston | 1 |
154-7818 Frame Gp-Undercarriage
| 15***86 | Frame As-Undercarriage | 1 |
| 15***87 | Cover As | 2 |
| 15***88 | Cover | 1 |
163-9996 Gear & Bearing Gp-Swing
| 14***86 | Dowel | 1 |
| 16***69 | Plate As | 1 |
| 16***96 | Gear & Bearing Group-Swing | 1 |
154-2228 Idler Gp-Front -Rh
| 09***95 | Seal-O-Ring (Id=27.70mm) | 2 |
| 09***04 | Seal-O-Ring (Id=39.70mm) | 1 |
| 09***94 | Ring-Backup | 1 |
218-4685 Idler Gp-Front -Lh
| 09***95 | Seal-O-Ring (Id=27.70mm) | 2 |
| 15***30 | Shaft | 1 |
| 15***31 | Support-Lh | 1 |
154-2227 Idler Gp-Front -Lh
| 09***95 | Seal-O-Ring (Id=27.70mm) | 2 |
| 09***04 | Seal-O-Ring (Id=39.70mm) | 1 |
| 09***94 | Ring-Backup | 1 |
154-7820 Idler Gp-Front
| 15***81 | Spring Group-Recoil | 2 |
| 15***27 | Idler Group-Front; -Lh | 1 |
| 15***28 | Idler Group-Front; -Rh | 1 |
218-4686 Idler Gp-Front -Rh
| 09***95 | Seal-O-Ring (Id=27.70mm) | 2 |
| 15***30 | Shaft | 1 |
| 15***31 | Support-Lh | 1 |
158-4766 Link As-Track
| 15***66 | Link As-Track | 1 |
| 15***67 | Link-Track; (Rh) | 37 |
| 15***68 | Link-Track; (Lh) | 37 |
154-7821 Roller Gp-Track
| 15***21 | Roller Group-Track | 1 |
| 17***64 | Roller As | 2 |
| 34***57 | Roller Group-Track-Center Flange | 10 |
340-8957 Roller Gp-Track-Center Flange
| 15***13 | Seal-O-Ring | 2 |
| 15***14 | Bushing | 2 |
| 23***62 | Ring-Retaining | 2 |
150-1081 Spring Gp-Recoil
| 12***36 | Nut; (M30x3-Thd) | 1 |
| 15***81 | Spring Group-Recoil | 1 |
| 15***82 | Spring | 1 |
155-6844 Track Gp
| 15***44 | Track Group | 1 |
| 15***66 | Link As-Track | 1 |
| 15***75 | Bolt; (M12x1.25x38-mm) | 152 |
153-5984 Track Gp
| 14***13 | Guard As; (Lh) | 2 |
| 14***14 | Guard As; (Rh) | 2 |
| 15***84 | Track Group; -Steel | 1 |
163-7659 Track Gp
| 15***81 | Track; (Rubber) | 2 |
| 16***59 | Track Group | 1 |
154-7817 Undercarriage Ar
| 15***17 | Undercarriage Ar | 1 |
| 15***18 | Frame Group-Undercarriage | 1 |
| 15***20 | Idler Group-Front | 1 |
Work Tools
164-0003 Blade & Mounting Gp
| 14***43 | Seal-Dust | 4 |
| 14***34 | Collar | 4 |
| 14***40 | Bushing | 2 |
154-7825 Blade Ar
| 15***25 | Blade Ar | 1 |
| 15***26 | Lines Group-Blade | 1 |
| 15***44 | Control Group-Blade | 1 |
213-9633 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 21***33 | Bucket Ar-General Purpose | 1 |
180-3624 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 18***24 | Bucket Ar-General Purpose | 1 |
213-9636 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 21***36 | Bucket Ar-General Purpose | 1 |
180-3626 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 18***26 | Bucket Ar-General Purpose | 1 |
188-4371 Bucket Ar-General Purpose
| 10***88 | Ring-Retaining | 4 |
| 18***27 | Bucket As-General Purpose | 1 |
| 18***67 | Pin | 2 |
180-3623 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 3 |
| 18***23 | Bucket Ar-General Purpose | 1 |
180-3625 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 18***25 | Bucket Ar-General Purpose | 1 |
213-9634 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 21***34 | Bucket Ar-General Purpose | 1 |
188-4369 Bucket Ar-General Purpose
| 18***22 | Bucket Ar-General Purpose | 1 |
| 18***69 | Bucket Ar-General Purpose | 1 |
| 21***70 | Pin As | 2 |
180-3622 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 3 |
| 18***22 | Bucket Ar-General Purpose | 1 |
213-9632 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 3 |
| 21***32 | Bucket Ar-General Purpose | 1 |
213-9635 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 4 |
| 21***35 | Bucket Ar-General Purpose | 1 |
214-2152 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 3 |
| 21***52 | Bucket Ar-General Purpose | 1 |
213-9631 Bucket Ar-General Purpose
| 13***06 | Tooth Group-Uni | 3 |
| 21***70 | Pin As | 2 |
| 21***31 | Bucket Ar-General Purpose | 1 |
180-1357 Bucket As-Ditch Cleaning
| 18***57 | Bucket As-Ditch Cleaning | 1 |
180-1356 Bucket As-Ditch Cleaning
| 18***56 | Bucket As-Ditch Cleaning | 1 |
180-1355 Bucket As-Ditch Cleaning
| 18***55 | Bucket As-Ditch Cleaning | 1 |
227-7270 Bucket Gp-Trenching
| 13***06 | Tooth Group-Uni | 5 |
| 22***70 | Bucket Group-Trenching | 1 |
227-7268 Bucket Gp-Trenching
| 13***06 | Tooth Group-Uni | 4 |
| 22***68 | Bucket Group-Trenching | 1 |
180-8533 Coupler Gp-Quick
| 17***17 | Shim; (1-mm Thk) | 4 |
| 17***18 | Shim; (0.5-mm Thk) | 4 |
| 18***33 | Coupler Group-Quick | 1 |
180-8534 Coupler Gp-Quick
| 18***34 | Coupler Group-Quick | 1 |
| 18***35 | Coupler | 1 |
| 18***36 | Follower | 1 |
184-4224 Lock Gp-Pin
| 09***81 | Pin-Spring | 1 |
| 17***50 | Knob | 1 |
| 17***52 | Shim; (2.0-mm Thk) | 1 |
184-4225 Lock Gp-Pin
| 09***81 | Pin-Spring | 1 |
| 17***42 | Boss As | 1 |
| 17***50 | Knob | 1 |
154-2653 Mounting Gp-Bucket
| 15***53 | Mounting Group-Bucket | 1 |
| 18***84 | Pin | 2 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 2 |
188-4380 Mounting Gp-Bucket
| 18***84 | Pin | 2 |
| 18***80 | Mounting Group-Bucket | 1 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 2 |
135-8206 Tooth Gp-Uni
| 13***03 | Tooth-Uni | 1 |
| 13***06 | Tooth Group-Uni | 1 |
| 4F***57 | Bolt-Plow; (5/8-11x2.75-In) | 2 |
3024 serial number reference
The engine information plate for the 3024 is mounted on the engine itself - typically the rocker cover or the left side of the cylinder block near the fuel injection pump - whether the engine is sold standalone as an industrial power unit or installed in a machine such as the Cat 902 compact wheel loader or Cat 304.5 mini excavator. This engine serial is separate from the machine's own PIN (product identification number), which is stamped on the machine frame or cab and follows its own prefix system. The engine serial reads as a 3-character prefix followed by a sequential number: the prefix identifies the build series, and the number marks that unit's position in the run. A plate reading 4RF00512 is 3024 Industrial Engine build series 4RF, unit 512.
| Prefix | Identifies | Notes |
|---|---|---|
| 4RF | 3024 Industrial Engine - naturally aspirated, base industrial power unit | Standalone industrial/power-unit application of the 3024, 2.2L (2216 cm3) inline-four, naturally aspirated. Distinct from the later turbocharged 3024C / C2.2. Production falls in the late 1990s to early-mid 2000s window for this engine family; exact date-code break not documented for this prefix - confirm with dealer. |
| 3TW | 3024 engine (naturally aspirated) as fitted to the Cat 902 Compact Wheel Loader | Engine serial number prefix for the naturally aspirated 3024, per Caterpillar's machine-to-engine cross-reference. This build series supplied the Cat 902 compact wheel loader, built 1998-2004 - the smallest of the 902/906/908 line and the only one of the three fitted with the plain 3024 (906 and 908 use the larger 3044C). Net rating around 34 kW (46 hp); some individual units are quoted at gross ratings up to roughly 52 hp depending on the standard used. This is an engine serial prefix, not the machine's own PIN - confirm with dealer for exact date-code breaks. |
| 8FG | 3024 engine (naturally aspirated) as fitted to the Cat 304.5 Mini Hydraulic Excavator | Engine serial number prefix for the naturally aspirated 3024, per Caterpillar's machine-to-engine cross-reference. This build series supplied the Cat 304.5 mini hydraulic excavator, built roughly 2000-2002. Rated around 36-39 hp (27-29 kW), gross or net figure varies with the rating standard used. This is an engine serial prefix, not the machine's own PIN - confirm with dealer for exact date-code breaks. |
Frequently asked questions
What engine powers this machine?
The naturally aspirated, mechanical Caterpillar 3024: a 4-cylinder, 2.2 liter diesel with no turbocharger and no electronic control module. Caterpillar factory-fitted it to the Cat 902 compact wheel loader and the Cat 304.5 mini hydraulic excavator, with net power rated around 28 to 34 kW (38 to 46 hp) depending on which machine it powers.
What is the operating weight?
Operating weight varies by host machine and configuration. The Cat 902 wheel loader runs about 4.3 metric tons (9,400 lb). The Cat 304.5 mini excavator runs about 4.48 to 4.6 metric tons (9,870 to 10,130 lb) depending on whether it has a cab or a canopy.
What replaced this machine?
There is no single successor since the 3024 powered two separate machines. Caterpillar moved the wheel loader slot to the turbocharged, 3044C-powered 906 and 908 compact wheel loaders. On the excavator side, later 304.5 generations switched to different engines, and the class was eventually replaced by Caterpillar's Next Generation 304 and 305 CR mini excavators.
What 3024 owners discuss
What powertrain sits behind the plain '3024' badge, and which machines actually run it?
The 3024 is a 2.2 L, four-cylinder, naturally aspirated diesel with indirect injection, built on the Perkins 1000-series architecture and cataloged under Cat's own engine family name. It is the factory engine in the Cat 902 compact wheel loader and the Cat 304.5 mini excavator. On the 902 it is rated around 34 kW/46 hp net; exact figures vary by series/generation and machine calibration. Owners are consistent on one point: this is a different build from the turbocharged 3024C/C2.2 fitted to the 216B-257B skid steer line. The two share a block family but not a power class.
Why does the 3024 get a reputation for hard cold starts?
It is an indirect-injection, pre-combustion-chamber design, which is inherently harder to light off in cold weather than a direct-injection engine of the same size. Community troubleshooting threads point first at the glow plug circuit: a weak connection, a tired relay, or a preheat timer that cuts out before the cycle finishes, rather than the plugs themselves. Fuel-side causes come up almost as often - a worn transfer pump check valve, or air drawn into the system after a filter change - and both mimic a glow plug fault with a no-start or rough idle. The troubleshooting order experienced techs use: confirm the glow plug circuit actually holds voltage for the full preheat cycle first, then bleed the fuel system at the primer bulb before chasing wiring further.
The engine keeps running after the key is turned off. What's going on?
This complaint shows up specifically on the 304.5. These machines hold the fuel shutoff solenoid open through a timed circuit; at key-off, the solenoid needs several seconds of battery voltage to actually close and cut fuel. Reported causes include a stuck or bypassed shutoff timer, a chafed harness section, and a less obvious one: an alternator sense wire shorting to the field circuit inside a cracked connector, which keeps the charging system, and the loop that feeds the solenoid, alive past key-off. Field diagnosis starts with a voltmeter at the solenoid terminal at the moment of shutdown to confirm voltage is present and holding. An engine that won't reliably shut down is a safety issue, both fire risk and entrapment risk for anyone working under or near the machine. Have your dealer verify the shutoff circuit and solenoid before the machine goes back into service.
What hydraulic complaints come up most often on these machines?
On the excavator side, a recurring thread topic is loss of boom or swing power while everything else still works normally and pump pressure checks out fine. The usual suspects owners land on are cylinder piston seal bypass, a sticking or worn port relief or load-check valve, and on load-sensing machines, a faulty resolver. On the loader side, the 902's hydrostatic transmission draws its own share of noise complaints. A whine is often just aerated fluid from a low reservoir or a loose suction-line fitting, and it usually quiets down after a fluid and filter service rather than pointing to a failing pump. Track final-drive motors are also a known wear point on mini excavators in this class generally: a leak between the sprocket and motor housing usually traces to a worn floating face seal rather than a bad motor.
What undercarriage wear pattern should 304.5 owners expect?
Rubber-tracked mini excavators in this weight class wear predictably. Rollers and idlers go first if track tension isn't kept in spec, and running loose accelerates wear on both the track carcass and the roller flanges. Owners working mixed rock and dirt report shorter track life than dirt-only use, which matches general experience across this machine class rather than anything specific to the 3024 drivetrain itself. Community advice is consistent: check tension and roller play on a set schedule, and treat uneven or cupped wear on one side as an alignment or roller problem, not normal use.
Why do parts listings and forum posts mix up the 3024 and 3024C so often?
The two share a block family and a lot of hard parts cross-reference between them, so sellers and even some owners use '3024' loosely to cover both the naturally aspirated 902/304.5 engine and the turbocharged 3024C/C2.2 used in the 216B-257B skid steers. They are not the same calibration or power class. The turbo variant runs more boost and more fueling, and putting skid-steer-spec components on a 902 or 304.5, or the reverse, is a mismatch that can cause a real problem, not just a labeling curiosity. If a listing or thread doesn't specify aspiration and host machine, check the machine's own engine plate and OEM literature before assuming compatibility.
What should I check before buying a used 902 or 304.5 running the 3024?
Apply the same fundamentals experienced buyers use on any compact machine in this class, focused on where these two actually fail. Run the engine to full operating temperature and watch exhaust color while listening for blow-by; a tired 3024 shows white or blue smoke and crankcase pressure before anything else gives it away. On the excavator, check the slew ring for play by rocking the house a quarter turn, inspect boom and stick welds near the cylinder bosses for cracks, and cycle every function to feel for the power-loss symptoms owners report on the pilot and relief side. On the loader, drive it under load and listen for hydrostatic transmission whine beyond what's normal, and confirm smooth rimpull through the full range rather than jerky engagement. On either machine, pull maintenance records where available; rough sheet metal and skipped service intervals are a fair warning sign the engine and hydraulics were run the same way. Because so much rides on the fuel shutoff and hydraulic relief systems checking out correctly, have your dealer verify both before putting the machine into daily work.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Caterpillar 3024. Related factory variants of the same model family:
3024
Need a specific 3024 part?
Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.