Caterpillar 301.8C
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 301.8C is a compact mini excavator designed for high-performance excavation, landscaping, and demolition in tight-access environments. This machine belongs to the under 2-ton weight class, with a documented operating weight of approximately 1.78 tonnes (3,936 lbs). It features a Mitsubishi L3NE NA Diesel engine delivering 19 hp (14 kW) or 18.1 hp (13.5 kW) depending on ISO rating. The series includes various configurations such as standard and long stick options, with a tail swing radius of 3.58 ft (1.09 m).
The 301.8C was manufactured between 2005 and 2015. This generation is highly valued in the used market due to its durable Mitsubishi powertrain and ease of service via ground-level access points and a tilt-up cab design. The machine remains a critical asset for owners seeking reliable performance in utility trenching and small-scale earthmoving, offering high stability and compatibility with various Caterpillar work tools through its mechanical quick coupler system.
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 301.8C specifications
Engine
| Model | Mitsubishi L3NE NA Diesel (also listed as C1.1 or L3E) |
| Gross Power | 21.60 hp (16.10 kW) |
| Net Power | Varies by series: 18.1 hp (13.5 kW) to 21.00 hp (15.70 kW) |
| Displacement | 53 cu in (868 cc) to 69.00 cu in (1.10 l) |
| Cylinders | 3 |
| Emissions Tier | Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 standards |
Weights
| Operating Weight | Varies by configuration: 3703 lb (1680 kg) to 4473 lb (2029 kg) |
| Ground Pressure | 3.90 psi (26.80 kPa) to 4.30 psi (29.60 kPa) |
Dimensions
| Transport Length | Varies by configuration: 12.08 ft to 146.50 in (3720 mm) |
| Transport Width | 3.22 ft (980 mm) to 4.42 ft (1350 mm) |
| Transport Height | 7.17 ft (2200 mm) to 90.60 in (2300 mm) |
| Tail Swing Radius | 3.58 ft (1091 mm) to 39.20 in (995 mm) |
| Track Shoe Width | 230 mm (9 in) to 230 mm (9.10 in) |
| Ground Clearance | 150 mm (0.49 ft) to 150 mm (5.90 in) |
| Undercarriage Length | 62.60 in (1590 mm) |
Performance
| Max Dig Depth | Varies by stick: 6.8 ft (2073 mm) to 101.2 in (2570 mm) |
| Max Reach at Ground | Varies by stick: 9.8 ft (3000 mm) to 158.70 in (4030 mm) |
| Max Dump Height | 7.7 ft (2344 mm) to 103.90 in (2640 mm) |
| Max Cutting Height | 10.9 ft (3323 mm) to 11.33 ft (3453 mm) |
| Swing Speed | 9.8 rpm to 10.5 rpm |
| Travel Speed | Low: 1.8 mph (2.9 km/h) to 1.8 mph (2.9 km/h); High: 2.7 mph (4.4 km/h) to 3 mph |
| Gradeability | 30 degrees |
Forces
| Bucket Digging Force | 15.4 kN (3462 lbf) to 19.60 kN (4406.30 lbf) |
| Stick/Arm Digging Force | Standard: 9.9 kN (2226 lb) to 11.3 kN (2540.30 lbf); Long: 8.8 kN (1978 lb) to 9.8 kN (2203.10 lbf) |
Service capacities (summary)
| Fuel Tank | 22 L (5.8 gal) to 26 L (6.90 gal) |
| Hydraulic System/Tank | Hydraulic Tank: 18 L (4.8 gal) to 26 L (6.9 gal); Total System: 37 L (9.8 gal) |
| Engine Oil | 4.2 L (1.1 gal) to 4.4 L (1.2 gal) |
| Cooling System | 3.9 L (1.0 gal) to 4.2 L (1.1 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
301.8C fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 4.1 l (1.1 gal US) | Cat Lube Oil |
| Cooling system | 4 l (1.06 gal US) | Not specified |
| Fuel tank | 22 l (5.8 gal US) | ULSD (ultra-low sulfur diesel fuel) with 15 ppm sulfur or less; can be blended with up to 20% biodiesel FAME, 100% renewable diesel, HVO, or GTL fuels |
| Hydraulic system total | 37 l (9.8 gal US) | Not specified |
| Hydraulic tank | 24 l (6.3 gal US) | Not specified |
| Grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 301.8C maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the 301.8C beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize Cat S.O.S Services to monitor engine oil, hydraulic fluid, and coolant. Analyze wear metals like iron or copper and check for silicon contamination from dust ingestion. Use the hydraulic oil sight gauge and S.O.S valve for efficient sampling. Regular analysis of hydraulic fluid particle counts (ISO cleanliness) prevents premature pump and valve failure by detecting degradation before catastrophic damage occurs.
Corrective & Common Repairs
Monitor hydraulic hoses for cracks, abrasion, or leaks to prevent pressure loss. Inspect pins, bushings, and linkage connections regularly; worn components lead to boom backlash. Ensure the mechanical quick coupler remains free of debris traps to maintain secure tool changes. If hydraulic performance drops, inspect the variable displacement pump and check for contamination in the return filters or valve control elements.
Overhaul & Rebuild Points
Plan major interventions around the 2,000-hour mark, focusing on a full hydraulic oil change and coolant flush. Conduct comprehensive structural inspections of boom and stick welds to identify fatigue. Evaluate major components including the engine, final drives, and swing drive. During rebuild points, check turbocharger integrity and torque all ROPS bolts to factory specifications to ensure machine safety and structural longevity.
Seasonal & Environment Servicing
In high-dust or quarry environments, check air filters daily and clean radiator/oil cooler fins frequently. Shorten engine oil intervals to 200 hours if operating in extreme sand conditions. For machines used in snow removal, inspect the dozer blade float function and ensure all lights and backup alarms are operational. Always verify battery condition and terminal cleanliness before seasonal storage or use in cold climates.
301.8C common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 139-4834 | Filter Element As-Air | Air intake service | Check fitment → |
| 249-8558 | Filter Element As-Cab Air | Air intake service | Check fitment → |
| 266-8337 | Filter Element-Oil | Hydraulic service | Check fitment → |
| 278-3369 | Breather | Hydraulic service | Check fitment → |
| 149-4533 | Filter Element-Oil | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
301.8C fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| 110-0 | Engine coolant temperature above normal range | Low coolant level, thermostat failure, or radiator blockage | Inspect cooling system, refill coolant, and test thermostat function |
| 110-3 | Engine coolant temperature sensor voltage high | Open circuit or sensor failure | Check wiring harness and replace sensor if fault persists |
| 41-3 | 8-Volt DC supply voltage above normal | Short to power on the 8V reference circuit | Inspect sensors sharing the 8V supply and isolate the fault |
| 41-4 | 8-Volt DC supply voltage below normal | Short to ground on the 8V reference circuit | Disconnect sensors one at a time to locate the short |
| 190-8 | Engine speed abnormal frequency | Speed sensor air gap, sensor failure, or tone ring damage | Check sensor gap and test the speed sensor and tone ring |
| 174-3 | Engine fuel temperature voltage above normal | Open circuit in sensor wiring | Inspect wiring harness and replace sensor if necessary |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
301.8C attachments & work tools
Buckets
Reference capacity is 0.1 yd³. Available configurations include standard and long stick options with varying digging depths. Attachments may include rotary screen, clamshell, ditching, or tilt buckets.
Hydraulic hammers
Compatible with hydraulic breaker/hammer class attachments for the 301.8 series. Includes excavator mounted vibro hammers and advanced breaker attachments.
Quick couplers
Supports excavator couplers, hitches, and tilt quick couplers. Precision-engineered couplers are designed for swift attachment changes.
Thumbs/grapples
Available in rigid, hydraulic, or progressive link configurations. Grapple options include log grapples, orange peel/scrap grabs, and rock grapples.
Rippers
Includes multi-ripper teeth for rocky landscapes and specialized rippers designed for harsh conditions.
Hydraulic-kit notes
Primary auxiliary circuit provides 8.70 gpm (33.00 L/min) at 3553.40 psi (245.00 bar). Secondary auxiliary circuit provides 3.70 gpm (14.00 L/min) at 3553.40 psi (245.00 bar).
All 301.8C assemblies by section
Every catalogued assembly group for the Caterpillar 301.8C. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
246-4172 Air Cleaner Gp
| 22***15 | Manifold-Exhaust | 1 |
| 22***16 | Gasket | 1 |
| 22***18 | Stud | 4 |
240-3256 Air Cleaner Gp
| 09***28 | Indicator-Air Filter Change; (Air Filter Service) | 1 |
| 13***34 | Filter Element As-Air; (Primary)(Air Compressor) | 1 |
| 15***66 | Valve | 1 |
223-0085 Manifold Gp-Exhaust
| 19***12 | Bolt; (M6x1x18-mm) | 4 |
| 22***85 | Manifold Group-Exhaust | 1 |
| 22***98 | Bolt | 2 |
265-7846 Manifold Gp-Inlet
| 12***39 | Bolt; (M10x1.25x25-mm) | 1 |
| 13***70 | Gasket | 1 |
| 15***59 | Bolt; (M12x1.25x95-mm) | 2 |
240-3267 Muffler & Mounting Gp
| 15***81 | Pin-Clevis | 1 |
| 24***67 | Muffler & Mounting Group | 1 |
| 25***46 | Bracket | 1 |
Basic Engine
223-0069 Camshaft Gp
| 22***69 | Camshaft Group | 1 |
| 22***27 | Key; (Crankshaft) | 1 |
| 22***31 | Camshaft | 1 |
223-0074 Cover Gp-Valve Mechanism
| 22***74 | Cover Group-Valve Mechanism | 1 |
| 22***40 | Gasket | 1 |
| 22***41 | Pipe | 1 |
223-0068 Crankshaft Gp
| 22***68 | Crankshaft Group | 1 |
| 22***26 | Crankshaft | 1 |
| 22***27 | Key; (Crankshaft) | 2 |
223-0105 Cylinder Block As
| 10***11 | Cap-Sealing | 2 |
| 19***80 | Cap | 3 |
| 22***05 | Cylinder Block As | 1 |
223-0064 Cylinder Block Gp
| 14***17 | Bolt; (M10x1.25x25-mm) | 6 |
| 19***05 | Pin-Dowel | 2 |
| 19***09 | Bushing | 2 |
267-4395 Cylinder Head As
| 19***80 | Cap | 1 |
| 22***34 | Cap | 3 |
| 22***35 | Guide-Valve | 6 |
265-7840 Cylinder Head Gp
| 22***36 | Gasket | 1 |
| 22***37 | Bolt | 8 |
| 22***38 | Bolt | 3 |
240-3226 Drain Gp-Engine Oil -Ecology
| 24***26 | Drain Group-Engine Oil; -Ecology | 1 |
| 24***73 | Plug-Drain; (Engine Oil) | 1 |
| 25***58 | Tube As-Ecology Drain | 1 |
265-7842 Flywheel Gp
| 22***87 | Gear-Ring | 1 |
| 22***88 | Bolt | 4 |
| 26***42 | Flywheel Group | 1 |
223-0077 Gear Gp-Front
| 19***22 | Bolt; (M6x1x16-mm) | 2 |
| 22***77 | Gear Group-Front | 1 |
| 22***76 | Gear-Camshaft | 1 |
223-0420 Gear Gp-Front
| 19***66 | Gasket | 1 |
| 19***76 | Plug | 1 |
| 19***39 | Plunger | 1 |
223-0076 Housing Gp-Front
| 19***15 | Cap As; (Engine Oil Filler) | 1 |
| 19***18 | Seal-O-Ring | 1 |
| 19***12 | Bolt; (M6x1x18-mm) | 4 |
223-0072 Lifting Gp-Engine
| 22***72 | Lifting Group-Engine | 1 |
| 22***39 | Plate-Lifting | 2 |
| 3B***05 | Washer,Lock Tube Assembly Mounting; Used On Engine P/N 5r698 | 2 |
240-3219 Mounting Gp-Engine
| 12***39 | Bolt; (M10x1.25x25-mm) | 6 |
| 15***59 | Bolt; (M12x1.25x95-mm) | 4 |
| 16***95 | Washer; (16.5x71.5x3-mm Thk) | 6 |
265-7843 Pan Gp-Oil
| 19***07 | Tube | 1 |
| 19***66 | Gasket | 1 |
| 19***67 | Plug; (Engine Oil Drain) | 1 |
223-0065 Piston & Rod Gp
| 22***65 | Piston & Rod Group | 1 |
| 22***23 | Set-Bearing | 1 |
| 22***24 | Set-Bearing; (0.25-mm Us) | 1 |
279-7134 Pulley Gp
| 16***63 | Pulley | 1 |
| 27***34 | Pulley Group | 1 |
| 28***41 | V-Belt; (Fan Pulley) | 1 |
265-7841 Pulley Gp-Crankshaft
| 22***83 | Nut | 1 |
| 22***84 | Washer | 1 |
| 22***85 | Washer | 1 |
223-0075 Valve Mechanism Gp
| 19***61 | Washer | 3 |
| 19***02 | Washer; (8.5x16x1.2-mm Thk) | 3 |
| 19***87 | Retainer | 6 |
Cooling System
265-7851 Fan Gp-Suction
| 22***53 | Plate | 1 |
| 24***46 | Hose; (Upper Radiator) | 1 |
| 24***53 | Hose; (Lower Radiator) | 1 |
240-3270 Lines Gp-Coolant
| 19***12 | Bolt; (M6x1x18-mm) | 6 |
| 22***70 | Bolt | 1 |
| 22***73 | Bolt | 1 |
265-7845 Pump Gp-Water
| 12***43 | Seal; (70-cm) | 0 |
| 14***36 | Tank As-Coolant; (Recovery) | 1 |
| 14***38 | Cap As; (Coolant Recovery) | 1 |
240-3228 Radiator & Mounting Gp
| 24***28 | Radiator & Mounting Group | 1 |
| 24***70 | Hose-Air | 1 |
| 24***72 | Air Cleaner Group | 1 |
Electrical And Starting System
241-3765 Alarm Gp-Travel
| 10***12 | Seal; (Interface) | 1 |
| 12***72 | Switch As-Ball; (Load Limit) | 2 |
| 14***95 | Shim; (0.5-mm Thk) | 4 |
265-7850 Alternator Gp-Charging
| 10***43 | Seal; (32-cm Each) | 0 |
| 11***90 | Fuse; (10 Amp) | 4 |
| 11***91 | Fuse; (15-Ampere) | 3 |
241-3754 Battery & Wiring Gp -Center
| 14***47 | Lighting Group-Flood; -Boom | 1 |
| 23***53 | Wiring Group-Engine | 1 |
| 24***24 | Wiring Group-Lighting; -Canopy | 1 |
239-8556 Electrical Ar
| 14***47 | Lighting Group-Flood; -Boom | 1 |
| 23***08 | Wiring Group-Console; -Adjustable Gauge Undercarriage | 1 |
| 23***53 | Wiring Group-Engine | 1 |
239-8559 Electrical Ar
| 22***87 | Glow Plug | 3 |
| 22***88 | Plate | 1 |
| 23***59 | Electrical Ar | 1 |
223-0090 Glow Plug Gp
| 22***90 | Glow Plug Group | 1 |
| 26***33 | Element As-Jacket Water Heater; (12-Volt, 400-Watt) | 1 |
| 26***34 | Cord As-Heater Element; (12-Volt, 15-Ampere) | 1 |
322-0305 Heater Gp-Jacket Water
| 16***56 | Bracket; (Lamp Retaining) | 1 |
| 17***91 | Bracket Assem. | 1 |
| 17***92 | Body Assem. | 1 |
268-0843 Heater Gp-Jacket Water
| 26***43 | Heater Group-Jacket Water | 1 |
| 31***31 | Element As-Jacket Water Heater; (120-Volt, 400-Watt) | 1 |
| 32***56 | Cord As-Heater Element; (120-Volt, 15-Ampere) | 1 |
212-9347 Lamp Gp-Flood -Vertical
| 16***56 | Bracket; (Lamp Retaining) | 1 |
| 20***14 | Lens As; (Floodlight) | 1 |
| 21***47 | Lamp Group-Flood; -Vertical-Cab | 1 |
240-0102 Lamp Gp-Flood -Canopy
| 24***02 | Lamp Group-Flood; -Canopy | 1 |
| 27***00 | Lens; (Amber)(Warning Beacon) | 1 |
| 9R***42 | Plug As | 1 |
309-1325 Lamp Gp-Warning Beacon -Amber
| 1S***93 | Strap; (Cable) (0.62in Dia) | 1 |
| 21***49 | Lamp Group-Flood; (12-Volt)(Boom, Rh) | 1 |
| 23***40 | Harness As-Lighting; (Boom) | 1 |
149-7847 Lighting Gp-Flood -Boom
| 14***47 | Lighting Group-Flood; -Boom | 1 |
| 1S***93 | Strap; (Cable) (0.62in Dia) | 1 |
| 21***49 | Lamp Group-Flood; (12-Volt)(Boom, Rh) | 1 |
310-4994 Lighting Gp-Flood -Boom
| 30***25 | Lamp Group-Warning Beacon; -12-Volt, Amber | 1 |
| 31***94 | Lighting Group-Flood; -Boom | 1 |
152-8151 Lighting Gp-Warning Beacon
| 15***51 | Lighting Group-Warning Beacon | 1 |
| 22***86 | Bolt | 2 |
| 27***57 | Motor As-Electric | 1 |
272-0456 Starting Motor Gp-Electric
| 11***99 | Gasket; (Air Conditioner Control) | 1 |
| 11***90 | Fuse; (10 Amp) | 1 |
| 11***92 | Fuse; (20 Amp) | 1 |
248-5710 Wiring Gp-Cab
| 11***99 | Gasket; (Air Conditioner Control) | 1 |
| 24***71 | Harness As-Console; (Adjustable Gauge Undercarriage) | 1 |
| 24***91 | Switch As-Rocker; (Adjustable Gauge Undercarriage) | 1 |
241-3769 Wiring Gp-Console
| 08***30 | Cable As-Chassis | 1 |
| 13***89 | Clip; (Ladder) | 2 |
| 14***22 | Nut; (M5x0.8-Thd) | 1 |
238-8408 Wiring Gp-Console -Adjustable Gauge Undercarriage
| 09***62 | Washer; (Hard) (3.4x7x0.8mm Thk) | 4 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
239-8553 Wiring Gp-Engine
| 08***77 | Lamp Group-Dome; (12-Volt) | 1 |
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 21***54 | Lamp; (12-Volt) | 1 |
241-3723 Wiring Gp-Lighting -Cab
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 24***02 | Lamp Group-Flood; -Canopy | 1 |
| 24***23 | Wiring Group-Lighting; -Cab | 1 |
241-3724 Wiring Gp-Lighting -Canopy
| 24***24 | Wiring Group-Lighting; -Canopy | 1 |
| 24***53 | Motor Group-Travel | 2 |
| 27***11 | Kit-Seal; (Travel Motor) | 1 |
Engine Arrangement
239-8555 Engine Ar
| 23***55 | Engine Ar | 1 |
| 24***19 | Mounting Group-Engine | 1 |
| 24***28 | Radiator & Mounting Group | 1 |
303-2860 Engine Ar-Primary
| 22***64 | Cylinder Block Group | 1 |
| 22***65 | Piston & Rod Group | 3 |
| 22***68 | Crankshaft Group | 1 |
243-7063 Engine Ar-Primary
| 22***64 | Cylinder Block Group | 1 |
| 22***65 | Piston & Rod Group | 3 |
| 22***68 | Crankshaft Group | 1 |
238-6818 Installation Ar-Engine
| 23***18 | Installation Ar-Engine | 1 |
| 24***19 | Mounting Group-Engine | 1 |
| 24***28 | Radiator & Mounting Group | 1 |
Frame And Body
239-8563 Door Gp-Access -Engine Compartment
| 11***17 | Washer; (10.5x30x2.5-mm Thk) | 1 |
| 13***55 | Spacer; (10x20x7-mm Thk) | 1 |
| 13***40 | Pin As | 1 |
230-5711 Frame Gp-Swing
| 09***24 | Plug-Button | 1 |
| 09***70 | Bolt-Socket Hd; (M12 X 1.75 X 45) | 1 |
| 11***10 | Grommet | 1 |
239-8549 Frame Gp-Upper
| 23***49 | Frame Group-Upper | 1 |
| 25***96 | Insulation | 1 |
| 25***50 | Washer; (5x38-mm Dia) | 2 |
283-4682 Insulation Gp-Sound Suppr
| 14***20 | Connector As | 4 |
| 25***90 | Hose As | 1 |
| 27***66 | Hose As | 1 |
269-4620 Insulation Gp-Sound Suppr
| 20***37 | Support | 3 |
| 20***38 | Retainer | 3 |
| 25***39 | Insulation | 1 |
254-6698 Insulation Gp-Sound Suppr
| 25***98 | Insulation Group-Sound Suppr | 1 |
| 25***92 | Insulation | 1 |
| 25***93 | Insulation | 1 |
256-4591 Insulation Gp-Sound Suppr
| 25***91 | Insulation Group-Sound Suppr | 1 |
| 25***93 | Insulation | 1 |
| 26***14 | Insulation | 1 |
283-1331 Insulation Gp-Sound Suppr
| 28***10 | Insulation | 1 |
| 28***11 | Insulation | 1 |
| 28***12 | Insulation | 1 |
239-8561 Lines Gp-Grease
| 23***61 | Lines Group-Grease | 1 |
| 24***51 | Frame As-Undercarriage | 1 |
| 24***53 | Nut-Special; (M8x1.25-Thd) | 15 |
Fuel System
239-8569 Control Gp-Governor
| 11***01 | Bowl As-Water Collection | 1 |
| 11***18 | Ring-Retaining | 1 |
| 11***19 | Nut | 1 |
144-9962 Filter Gp-Water Sep & Fuel
| 09***74 | Nut; (M8x1.25-Thd) | 1 |
| 14***62 | Filter Group-Water Sep & Fuel | 1 |
| 19***61 | Washer | 1 |
265-7849 Governor Gp
| 08***38 | Sleeve; (11x20x9mm Thk) | 1 |
| 14***62 | Filter Group-Water Sep & Fuel | 1 |
| 15***75 | Connector | 2 |
240-3232 Lines Gp-Fuel
| 13***17 | Gasket | 3 |
| 13***18 | Gasket | 3 |
| 19***72 | Clip | 4 |
265-7848 Lines Gp-Fuel
| 19***52 | Key | 1 |
| 22***32 | Bearing | 1 |
| 22***20 | Shaft | 1 |
265-7847 Pump Gp-Fuel Injection
| 12***70 | Capscrew; (Button Hd) (M8x1.25x20) (G10.9) | 2 |
| 21***44 | Cap As-Filler; (Fuel) | 1 |
| 24***20 | Tank Group-Fuel | 1 |
239-8551 Tank & Mtg Gp-Fuel
| 21***06 | Plug As; (Fuel Tank Drain) | 1 |
| 23***51 | Tank & Mtg Group-Fuel | 1 |
| 24***92 | Tank As-Fuel | 1 |
244-2020 Tank Gp-Fuel
| 10***12 | Seal; (Interface) | 1 |
| 12***72 | Switch As-Ball; (Load Limit) | 2 |
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
Hydraulic System
240-3237 Cooler Gp-Hydraulic Oil
| 14***80 | Seal-Lip Type | 1 |
| 14***81 | Seal-U-Cup | 1 |
| 14***82 | Ring-Wear | 1 |
231-1209 Cylinder Gp-Blade
| 14***80 | Seal-Lip Type | 1 |
| 14***81 | Seal-U-Cup | 1 |
| 14***82 | Ring-Wear | 1 |
231-1208 Cylinder Gp-Boom -Swing
| 09***45 | Seal-O-Ring | 1 |
| 14***80 | Seal-Lip Type | 1 |
| 14***81 | Seal-U-Cup | 1 |
231-1207 Cylinder Gp-Boom
| 14***80 | Seal-Lip Type | 1 |
| 14***81 | Seal-U-Cup | 1 |
| 14***82 | Ring-Wear | 1 |
226-9956 Cylinder Gp-Bucket
| 14***77 | Seal-U-Cup | 1 |
| 14***92 | Seal-Lip Type | 1 |
| 14***85 | Seal-Piston | 1 |
231-1206 Cylinder Gp-Stick
| 09***45 | Seal-O-Ring | 1 |
| 09***07 | Seal-O-Ring (Id=43.70mm) | 1 |
| 14***80 | Seal-Lip Type | 1 |
248-2593 Cylinder Gp-Undercarriage
| 24***93 | Cylinder Group-Undercarriage | 1 |
| 26***37 | Filter Element-Oil; (Hydraulic Oil) | 1 |
| 26***38 | Cap As | 1 |
241-4083 Filter Gp-Oil -Hydraulic
| 22***92 | Strainer As; (Engine Oil) | 1 |
| 22***93 | Nut | 1 |
| 22***94 | Filter Element As-Engine Oil; (Engine) | 1 |
238-2633 Hydraulic Ar
| 22***86 | Lines Group-Travel Motor | 1 |
| 23***33 | Hydraulic Ar | 1 |
| 24***79 | Lines Group-Swing Motor | 1 |
238-2813 Hydraulic Ar
| 22***86 | Lines Group-Travel Motor | 1 |
| 22***87 | Lines Group-Blade | 1 |
| 22***90 | Lines Group-Boom | 1 |
238-6825 Hydraulic Ar
| 22***88 | Lines Group-Travel Motor | 1 |
| 23***05 | Lines Group-Undercarriage Cyl; -Adjustable Gauge | 1 |
| 23***25 | Hydraulic Ar | 1 |
238-6430 Hydraulic Ar
| 22***88 | Lines Group-Travel Motor | 1 |
| 22***90 | Lines Group-Boom | 1 |
| 22***97 | Lines Group-Bucket | 1 |
243-0588 Lines Gp-Auxiliary Hydraulic -Long Stick
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 1 |
| 14***40 | Adapter; (Straight) (-8 Orb X -8 Orfs) | 1 |
| 14***42 | Connector Group | 1 |
243-0586 Lines Gp-Auxiliary Hydraulic -Short Stick
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 1 |
| 14***40 | Adapter; (Straight) (-8 Orb X -8 Orfs) | 1 |
| 14***42 | Connector Group | 1 |
243-0587 Lines Gp-Auxiliary Hydraulic -Long Stick, 1-Way
| 14***07 | Plug; (Hex Head) (-6 Orb) (Current) (16***35 Friction Disc Interchangeable With 11***47) (Use All Of One Part Number) | 1 |
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 1 |
242-5020 Lines Gp-Auxiliary Hydraulic -Standard Stick, 1-Way
| 14***07 | Plug; (Hex Head) (-6 Orb) (Current) (16***35 Friction Disc Interchangeable With 11***47) (Use All Of One Part Number) | 1 |
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 1 |
245-6337 Lines Gp-Blade -Adjustable Gauge Undercarriage
| 14***16 | Connector Group | 1 |
| 14***25 | Connector As. | 2 |
| 15***24 | Hex Head Plug; (-4sae) (D6r Iii) | 1 |
224-9287 Lines Gp-Blade
| 14***25 | Connector As. | 2 |
| 14***68 | Elbow Group | 2 |
| 22***87 | Lines Group-Blade | 1 |
224-9290 Lines Gp-Boom
| 14***66 | Hose As | 1 |
| 14***25 | Connector As. | 1 |
| 14***38 | Adapter, -6 Orb / Orfs X-Long | 1 |
145-8889 Lines Gp-Boom Cylinder
| 14***66 | Hose As | 1 |
| 14***89 | Lines Group-Boom Cylinder | 1 |
| 14***25 | Connector As. | 1 |
224-9297 Lines Gp-Bucket
| 14***25 | Connector As. | 2 |
| 14***51 | Elbow Group | 1 |
| 22***97 | Lines Group-Bucket | 1 |
281-3182 Lines Gp-Bucket -2nd Auxiliary, Long Stick
| 08***02 | Bulkhead Adaptor | 1 |
| 11***61 | Seal Kit; (Includes Seals, Thrust Ring, Stem And Connectors) | 1 |
| 12***78 | Locknut; (M6x1-Thd) | 1 |
232-1568 Lines Gp-Bucket -Long Stick
| 14***25 | Connector As. | 2 |
| 14***51 | Elbow Group | 1 |
| 23***76 | Hose As | 1 |
281-3180 Lines Gp-Bucket -2nd Auxiliary
| 08***02 | Bulkhead Adaptor | 1 |
| 11***61 | Seal Kit; (Includes Seals, Thrust Ring, Stem And Connectors) | 1 |
| 12***78 | Locknut; (M6x1-Thd) | 1 |
266-8339 Lines Gp-Front
| 14***25 | Connector As. | 9 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 1 |
| 14***78 | Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs) | 1 |
224-9293 Lines Gp-Load Control Valve -Boom
| 13***60 | Spacer; (11x19x10-mm Thk) | 2 |
| 13***07 | Strap; (Cable) | 3 |
| 14***16 | Connector Group | 1 |
241-4191 Lines Gp-Pilot -Control Pattern Change
| 09***27 | Setscrew-Socket; (M4x0.7x10-mm) | 1 |
| 13***13 | Band; (Marker) (Gray, P) | 2 |
| 13***07 | Strap; (Cable) | 1 |
243-0592 Lines Gp-Pilot
| 14***26 | Adapter; (Straight) (-4 Orb X -4 Orfs) | 1 |
| 14***68 | Elbow Group | 2 |
| 14***69 | Adapter; (90° Elbow Orfs/Orb) | 2 |
241-4076 Lines Gp-Pilot -Joystick, Main Control Valve
| 13***13 | Band; (Marker) (Gray, P) | 2 |
| 13***07 | Strap; (Cable) | 1 |
| 14***16 | Connector Group | 7 |
262-4343 Lines Gp-Pump
| 08***45 | Tee | 1 |
| 09***25 | Clip | 1 |
| 10***96 | Bolt-Socket Head; (M10x1.5x50-mm) | 4 |
263-8775 Lines Gp-Return
| 13***55 | Hose; (8-cm) | 0 |
| 14***53 | Hose; (272.2-cm) | 0 |
| 14***42 | Connector Group | 1 |
230-5719 Lines Gp-Stick
| 14***25 | Connector As. | 2 |
| 23***19 | Lines Group-Stick | 1 |
| 23***77 | Hose As | 1 |
241-4079 Lines Gp-Swing Motor
| 12***05 | Hose As | 1 |
| 14***94 | Hose As | 1 |
| 14***25 | Connector As. | 5 |
243-0619 Lines Gp-Swing Motor
| 14***94 | Hose As | 1 |
| 14***25 | Connector As. | 7 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 7 |
224-9288 Lines Gp-Travel Motor
| 14***25 | Connector As. | 2 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 8 |
| 14***69 | Adapter; (90° Elbow Orfs/Orb) | 4 |
224-9286 Lines Gp-Travel Motor
| 14***25 | Connector As. | 2 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 4 |
| 14***53 | Elbow, 45,-6 Orb To-6 Orfs-Drum Clutch Port | 4 |
230-3405 Lines Gp-Undercarriage Cyl -Adjustable Gauge
| 14***16 | Connector Group | 1 |
| 14***25 | Connector As. | 2 |
| 14***32 | Tee, -4; (-4) | 1 |
264-8822 Manifold & Mtg Gp-Control -Hyd Lockout, Speed Select
| 09***68 | Bolt-Socket Head; (M5x0.8x8-mm) | 4 |
| 24***32 | Manifold Group-Control; (Hydraulic Lockout, Speed Select) | 1 |
| 25***30 | Kit-Seal; (Valve) | 1 |
288-9885 Manifold Gp-Control -Hyd Lockout, Speed Select
| 09***68 | Bolt-Socket Head; (M5x0.8x8-mm) | 4 |
| 25***30 | Kit-Seal; (Valve) | 1 |
| 27***83 | Valve Group-Solenoid; (Hydraulic Lockout, Speed Select) | 1 |
241-4078 Motor & Mtg Gp-Swing
| 24***78 | Motor & Mtg Group-Swing | 1 |
| 24***64 | Motor Group-Swing | 1 |
| 27***09 | Valve As-Relief; (Swing Cushion) | 2 |
241-4085 Pump & Mtg Gp-Main Hydraulic
| 09***67 | Setscrew-Socket; (M10x1.5-Thd) | 2 |
| 22***22 | Housing | 1 |
| 24***85 | Pump & Mtg Group-Main Hydraulic | 1 |
241-7971 Pump Gp-Main Hydraulic
| 16***22 | Coupling | 1 |
| 16***23 | Collar | 1 |
| 22***13 | Kit-Seal; (Main Hydraulic Pump) | 1 |
230-7445 Swivel Gp
| 23***45 | Swivel Group | 1 |
| 23***57 | Kit-Seal; (Swivel) | 1 |
237-4075 Swivel Gp
| 23***75 | Swivel Group | 1 |
| 23***76 | Kit-Seal | 0 |
263-3812 Tank & Mtg Gp-Hydraulic
| 11***14 | Hose As | 1 |
| 13***79 | Washer; (11x32x3-mm Thk) | 4 |
| 16***34 | Plug As | 1 |
317-8269 Tank Gp-Hydraulic
| 09***03 | Seal-O-Ring (Id=44.40mm) | 1 |
| 14***37 | Cap As-Filler; (Hydraulic Tank) | 1 |
| 14***18 | Connector As | 2 |
263-3811 Tank Gp-Hydraulic
| 14***18 | Connector As | 1 |
| 14***25 | Connector As. | 1 |
| 16***34 | Plug As | 1 |
241-4081 Valve & Mtg Gp-Bank
| 15***81 | Pin-Clevis | 2 |
| 24***81 | Valve & Mtg Group-Bank | 1 |
| 24***84 | Valve Group-Bank | 1 |
242-8184 Valve Gp-Bank
| 09***78 | Seal-O-Ring (Id=9.80mm) | 1 |
| 09***82 | Seal-O-Ring (Id=13.80mm) | 1 |
| 13***75 | Seal | 4 |
152-8179 Valve Gp-Load Control -Boom
| 15***79 | Valve Group-Load Control; -Blade | 1 |
| 15***47 | Valve | 1 |
| 15***54 | Block | 1 |
164-2274 Valve Gp-Selector -2-Way
| 11***83 | Pin-Spring | 1 |
| 16***74 | Valve Group-Selector; -Joystick Pattern | 1 |
| 16***76 | Kit-Seal; (Select Valve) | 1 |
Implements
224-9239 Boom Ar
| 22***39 | Boom Ar | 1 |
| 22***40 | Boom Group | 1 |
| 23***11 | Frame Group-Swing | 1 |
224-9240 Boom Gp
| 13***67 | Shim; (1-mm Thk) | 2 |
| 13***68 | Shim; (0.5-mm Thk) | 2 |
| 16***78 | Cover-Boom Rod | 1 |
226-2764 Linkage Gp-Bucket -With Lifting Eye
| 13***83 | Shim; (0.5-mm Thk) | 4 |
| 13***84 | Shim; (1-mm Thk) | 4 |
| 16***20 | Pin | 2 |
226-2765 Linkage Gp-Bucket
| 13***83 | Shim; (0.5-mm Thk) | 4 |
| 13***84 | Shim; (1-mm Thk) | 4 |
| 16***20 | Pin | 2 |
245-2125 Stick Ar-Hoe
| 22***96 | Stick Group-Hoe | 1 |
| 22***56 | Cylinder Group-Bucket | 1 |
| 23***19 | Lines Group-Stick | 1 |
245-2126 Stick Ar-Hoe -Long
| 22***01 | Stick Group-Hoe; -Long | 1 |
| 22***56 | Cylinder Group-Bucket | 1 |
| 23***19 | Lines Group-Stick | 1 |
224-9296 Stick Gp-Hoe
| 13***67 | Shim; (1-mm Thk) | 2 |
| 13***68 | Shim; (0.5-mm Thk) | 2 |
| 17***61 | Plug-Protective | 1 |
224-9301 Stick Gp-Hoe -Long
| 13***67 | Shim; (1-mm Thk) | 2 |
| 13***68 | Shim; (0.5-mm Thk) | 2 |
| 17***61 | Plug-Protective | 1 |
Lubrication System
265-7844 Filter Gp-Engine Oil -Engine
| 11***03 | Bolt; (M6x1x55-mm) | 4 |
| 19***67 | Spacer | 2 |
| 26***44 | Filter Group-Engine Oil; -Engine | 1 |
Machine Arrangement
238-2632 Chassis Ar
243-0225 Chassis Ar
| 23***49 | Frame Group-Upper | 1 |
| 23***51 | Tank & Mtg Group-Fuel | 1 |
| 23***57 | Plate & Film Group | 1 |
243-0590 Chassis Ar
| 23***08 | Wiring Group-Console; -Adjustable Gauge Undercarriage | 1 |
| 23***49 | Frame Group-Upper | 1 |
| 23***51 | Tank & Mtg Group-Fuel | 1 |
242-9687 Chassis Ar
| 23***49 | Frame Group-Upper | 1 |
| 23***51 | Tank & Mtg Group-Fuel | 1 |
| 23***57 | Plate & Film Group | 1 |
238-1763 Common Ar
| 22***25 | Undercarriage Ar | 1 |
| 22***39 | Boom Ar | 1 |
| 23***63 | Common Ar | 1 |
238-6855 Common Ar
| 22***26 | Undercarriage Ar | 1 |
| 22***39 | Boom Ar | 1 |
| 23***43 | Operator Ar | 1 |
Operator Station
247-5741 Accessory Gp-Cab
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***44 | Fan Group-Circulating | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 2 |
238-1764 Cab Ar
| 23***64 | Cab Ar | 1 |
| 24***17 | Washer Group-Window | 1 |
| 24***32 | Mounting Group-Cab | 1 |
243-0433 Cab Gp
| 24***23 | Wiring Group-Lighting; -Cab | 1 |
| 24***12 | Door Group-Cab | 1 |
| 24***13 | Cab Group | 1 |
246-4820 Cab Gp
| 24***12 | Door Group-Cab | 1 |
| 24***13 | Cab Group | 1 |
| 24***20 | Cab Group | 1 |
243-0413 Cab Gp
| 11***84 | Bumper | 2 |
| 11***29 | Washer; (6.6x22x2-mm Thk) | 2 |
| 12***78 | Locknut; (M6x1-Thd) | 10 |
238-1765 Canopy Ar-Open Rops
| 23***65 | Canopy Ar-Open Rops | 1 |
| 24***34 | Mounting Group-Platform | 1 |
| 24***14 | Support Group-Seat | 1 |
260-8422 Canopy Gp-Open Rops
| 12***11 | Adhesive; (Urethane) | 1 |
| 14***68 | Plug | 4 |
| 23***36 | Plug | 4 |
260-8421 Canopy Gp-Open Rops
| 21***68 | Cover | 1 |
| 24***24 | Wiring Group-Lighting; -Canopy | 1 |
| 26***21 | Canopy Group-Open Rops | 1 |
248-2802 Control & Mtg Gp-Joystick
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 19***12 | Valve-Pilot; (Joystick) | 1 |
| 24***02 | Control & Mtg Group-Joystick | 1 |
243-0214 Control Gp-Blade
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 24***14 | Control Group-Blade | 1 |
| 24***59 | Cable As | 1 |
239-8567 Control Gp-Hydraulic Hand -With Auxiliary Pedals-Auxiliary, Swing Boom, Travel
| 06***51 | Shim .7620 mm(.030 In.)Thick | 2 |
| 09***19 | Ring-Retaining | 1 |
| 09***32 | Knob; (Lh Travel Lever) | 1 |
243-0412 Door Gp-Cab
| 11***27 | Screw-Machine; (M6x1x30-mm) | 2 |
| 24***12 | Door Group-Cab | 1 |
| 25***11 | Seal | 1 |
269-8964 Duct Gp-Cab Air -Rh
| 10***91 | Screw; (Flat Head) (No.6-20x0.5in) | 2 |
| 10***53 | Housing; (Center) | 1 |
| 10***54 | Housing; (End) | 2 |
242-9685 Duct Gp-Cab Air
| 24***85 | Duct Group-Cab Air | 1 |
| 25***17 | Louver As | 2 |
| 25***31 | Duct As-Air | 1 |
243-0249 Filter Gp-Cab Air
| 24***49 | Filter Group-Cab Air | 1 |
| 24***58 | Filter Element As-Cab Air | 1 |
| 25***58 | Duct | 1 |
260-1650 Guard Gp-Cab
| 25***87 | Guard As | 1 |
| 26***50 | Guard Group-Cab | 1 |
| 8T***21 | Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm) | 4 |
242-9681 Guard Gp-Canopy
| 24***81 | Guard Group-Canopy | 1 |
| 25***87 | Guard As | 1 |
| 26***49 | Tube As | 1 |
242-9680 Guard Gp-Window
| 24***80 | Guard Group-Window | 1 |
| 24***88 | Glass As-Window | 1 |
| 26***49 | Tube As | 1 |
255-4092 Heater Ar-Cab
| 24***86 | Heater Group-Cab | 1 |
| 24***85 | Duct Group-Cab Air | 1 |
| 24***16 | Lines Group-Heater | 1 |
242-1286 Heater Gp-Cab
| 08***89 | Grommet | 1 |
| 17***24 | Locknut; (M5x0.8-Thd) | 2 |
| 20***01 | Washer-Hard; (5.3x10x1-mm Thk) | 2 |
249-7743 Heater Gp-Cab -Without Duct
| 20***98 | Knob-Control; (Temperature Select) | 1 |
| 23***83 | Converter | 1 |
| 23***52 | Nut; (7/16-28-Thd) | 1 |
264-2967 Installation Gp-Radio -Nacd
| 18***44 | Cable-Lock | 1 |
| 26***81 | Radio | 1 |
| 26***67 | Installation Group-Radio; -Nacd | 1 |
241-3738 Installation Gp-Radio -Eame
| 18***44 | Cable-Lock | 1 |
| 24***38 | Installation Group-Radio; -Eame | 1 |
| 26***81 | Radio | 1 |
243-0216 Lines Gp-Heater
| 13***41 | Grommet | 1 |
| 16***45 | Sleeve-Abrasion; (62.25in) | 0 |
| 1P***78 | Clamp; (Hose) | 4 |
145-8893 Literature Gp
| 12***58 | Lanyard | 1 |
| 14***93 | Literature Group | 1 |
| 19***09 | Key; (Corporate)(Start Switch) | 2 |
236-1527 Mirror Gp-Rear View
| 13***66 | Mirror Group-Rear View | 1 |
| 14***71 | Clamp; (Top)(Top) | 1 |
| 14***72 | Clamp; (Bottom)(Bottom) | 1 |
236-1533 Mirror Gp-Rear View
| 13***66 | Mirror Group-Rear View | 1 |
| 14***71 | Clamp; (Top)(Top) | 1 |
| 14***72 | Clamp; (Bottom)(Bottom) | 1 |
310-4265 Mirror Gp-Rear View
| 13***66 | Mirror Group-Rear View | 1 |
| 14***71 | Clamp; (Top)(Top) | 1 |
| 14***72 | Clamp; (Bottom)(Bottom) | 1 |
330-5032 Motor Gp-Window Wiper
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 4 |
| 26***23 | Cap-Wiper | 1 |
146-6431 Motor Gp-Window Wiper -12-Volt
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 14***31 | Motor Group-Window Wiper; -12-Volt | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 4 |
210-2353 Motor Gp-Window Wiper
| 14***31 | Motor Group-Window Wiper; -12-Volt | 1 |
| 20***60 | Cover | 1 |
| 21***53 | Motor Group-Window Wiper | 1 |
330-5043 Motor Gp-Window Wiper
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 4 |
| 20***60 | Cover | 1 |
243-0232 Mounting Gp-Cab
| 09***65 | Spacer; (17x40x3-mm Thk) | 2 |
| 14***95 | Mount As | 4 |
| 24***32 | Mounting Group-Cab | 1 |
243-0234 Mounting Gp-Platform
| 24***34 | Mounting Group-Platform | 1 |
| 24***80 | Handrail As | 1 |
| 26***05 | Bolt; (M14x2x50-mm) | 4 |
260-1657 Mounting Gp-Radio
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 12***07 | Screw-Hex Socket; (M4x0.7x20-mm) | 14 |
| 14***59 | Fuse; (5-Ampere) | 1 |
310-4995 Mounting Gp-Radio
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 12***07 | Screw-Hex Socket; (M4x0.7x20-mm) | 14 |
| 14***59 | Fuse; (5-Ampere) | 1 |
264-3384 Mounting Gp-Radio
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 12***07 | Screw-Hex Socket; (M4x0.7x20-mm) | 14 |
| 14***59 | Fuse; (5-Ampere) | 1 |
238-2643 Operator Ar
| 14***93 | Literature Group | 1 |
| 23***43 | Operator Ar | 1 |
| 23***65 | Platform Group-Operator | 1 |
242-9641 Operator Ar
| 14***93 | Literature Group | 1 |
| 23***65 | Platform Group-Operator | 1 |
| 23***67 | Control Group-Hydraulic Hand; -With Auxiliary Pedals-Auxiliary, Swing Boom, Travel | 1 |
239-8565 Platform Gp-Operator
| 12***70 | Capscrew; (Button Hd) (M8x1.25x20) (G10.9) | 8 |
| 13***85 | Screw; (M6x1-Thd) | 3 |
| 15***81 | Armrest As | 2 |
277-5024 Seal Gp-Cab
| 25***76 | Seal | 1 |
| 25***77 | Seal | 1 |
| 25***78 | Seal | 1 |
280-2457 Seat Belt Gp
| 28***57 | Seat Belt Group | 1 |
| 7X***46 | Washer-Hard; (12x25.5x2-mm Thk) | 2 |
| 8T***81 | Bolt; (7/16-20x1-In) | 2 |
242-9642 Seat Belt Gp -Retractable, 2-In
| 1L***80 | Bolt; (7/16-20x1.5-In) | 1 |
| 24***42 | Seat Belt Group; -Retractable, 2-In | 1 |
| 26***85 | Spacer; (11.5x19x7-mm Thk) | 1 |
242-9640 Seat Belt Gp -2-In
| 1L***80 | Bolt; (7/16-20x1.5-In) | 1 |
| 24***40 | Seat Belt Group; -2-In | 1 |
| 26***85 | Spacer; (11.5x19x7-mm Thk) | 1 |
220-2640 Seat Belt Gp
| 22***40 | Seat Belt Group | 1 |
| 7X***46 | Washer-Hard; (12x25.5x2-mm Thk) | 3 |
| 8C***92 | Bolt; (Locking) (M12x1.75x30mm) | 2 |
242-9638 Seat Gp-Suspension -Vinyl
| 24***38 | Seat Group-Suspension; -Vinyl | 1 |
| 25***52 | Kit-Seat; (Seat Cushion) | 1 |
| 25***53 | Kit-Seat; (Seat Cushion, Back) | 1 |
246-9241 Seat Gp-Suspension -Cloth, High Back
| 24***41 | Seat Group-Suspension; -Cloth, High Back | 1 |
| 25***54 | Kit-Seat; (Cover, Suspension) | 1 |
| 25***69 | Kit-Seat; (Seat Cushion) | 1 |
242-9639 Seat Gp-Suspension -Cloth
| 24***39 | Seat Group-Suspension; -Cloth | 1 |
| 25***54 | Kit-Seat; (Cover, Suspension) | 1 |
| 25***69 | Kit-Seat; (Seat Cushion) | 1 |
249-9114 Support Gp-Seat
| 12***70 | Capscrew; (Button Hd) (M8x1.25x20) (G10.9) | 1 |
| 13***07 | Strap; (Cable) | 2 |
| 17***32 | Bolt-Hex Head; (M4x0.7x16mm) | 2 |
249-9115 Support Gp-Seat
| 17***32 | Bolt-Hex Head; (M4x0.7x16mm) | 2 |
| 22***92 | Lock As | 1 |
| 22***21 | Cam | 1 |
322-4955 Tank Gp-Window Washer
| 12***72 | Seal; (135-cm) | 0 |
| 20***12 | Hammer Group | 1 |
| 21***89 | Screw; (M4x19-mm) | 2 |
212-9334 Tank Gp-Window Washer
| 21***34 | Tank Group-Window Washer | 1 |
| 21***35 | Grommet; (Bottle) | 1 |
| 21***36 | Pump As | 1 |
243-0423 Trim Gp-Cab
| 14***95 | Hose; (650-cm Each) | 0 |
| 21***34 | Tank Group-Window Washer | 1 |
| 24***23 | Trim Group-Cab | 1 |
243-0217 Washer Gp-Window
| 14***95 | Hose; (650-cm Each) | 0 |
| 24***17 | Washer Group-Window | 1 |
| 31***80 | Bracket As | 1 |
292-0448 Window Gp-Cab -Front
| 14***87 | Cushion | 1 |
| 15***76 | Knob | 1 |
| 15***68 | Catch As | 1 |
261-2712 Window Gp-Cab -Front
| 26***12 | Window Group-Cab; -Front | 1 |
| 29***49 | Block | 2 |
| 29***50 | Latch As | 1 |
261-2713 Window Gp-Sliding
| 13***94 | Nozzle As-Washer | 1 |
| 14***95 | Hose; (650-cm Each) | 0 |
| 14***46 | Clip | 1 |
243-0415 Wiper Gp-Window
| 22***20 | Film-Warning; (Hot Surface) | 1 |
| 22***46 | Film-Warning; (No Ether Spray/Air Intk, Intl) | 1 |
| 22***22 | Film; (Warning) (Seat Belt) (Cab Post) | 1 |
Power Train
241-4077 Motor & Mtg Gp-Travel
| 24***77 | Motor & Mtg Group-Travel | 2 |
| 24***78 | Motor & Mtg Group-Swing | 1 |
| 24***40 | Sprocket Group | 1 |
238-6820 Power Train Ar
| 10***84 | Bolt-Socket Head; (M10x1.5x25-mm) | 18 |
| 13***04 | Sprocket; (19-Teeth) | 2 |
| 23***20 | Power Train Ar | 1 |
243-5340 Sprocket Gp
| 12***43 | Seal; (70-cm) | 0 |
| 17***93 | Bumper; (Rubber) | 2 |
| 22***40 | Latch As | 1 |
Service Equipment And Supplies
264-7999 Film Gp
| 19***68 | Coupler-Grease | 1 |
| 19***69 | Hose As | 1 |
| 26***99 | Film Group | 1 |
245-3345 Film Gp
| 12***73 | Film-Identification; (Caterpillar) | 1 |
| 15***22 | Film; (Lh)(Cat) | 1 |
| 15***23 | Film; (Rh)(Cat) | 1 |
245-3349 Film Gp
| 23***64 | Film-Identification; (One) | 1 |
| 23***65 | Film-Identification; (Two) | 1 |
| 23***66 | Film-Identification; (Three) | 1 |
242-9611 Film Gp -International
| 22***45 | Film-Warning; (Do Not Use Ether, U.S) | 1 |
| 22***21 | Film-Warning; (Seat Belt) | 1 |
| 22***13 | Film; (Warning) (Jump Start) (Inside Of Lh Battery Box Cover) | 1 |
242-9614 Film Gp -U. S.
| 12***73 | Film-Identification; (Caterpillar) | 1 |
| 15***22 | Film; (Lh)(Cat) | 1 |
| 15***23 | Film; (Rh)(Cat) | 1 |
8f-9866 Grease Gun Gp
| 15***96 | Film-Notice; (Lift Eye Location) | 2 |
| 15***36 | Film-Warning; (Read Operation Manual) | 2 |
| 8F***66 | Grease Gun As | 1 |
175-0286 Plate & Film Gp -Quick Coupler
| 13***58 | Film; (Identification) (On Radiator Filler Cap) (On Near Of Radiator Filler Cap) | 1 |
| 15***96 | Film-Notice; (Lift Eye Location) | 2 |
| 15***99 | Film-Instruction; (Console) | 1 |
239-8557 Plate & Film Gp
| 15***27 | Tool Group-Hand | 1 |
| 18***44 | Cable-Lock | 1 |
| 23***57 | Plate & Film Group | 1 |
242-9679 Tool Gp-Hand
| 24***79 | Tool Group-Hand | 1 |
Undercarriage
224-9235 Frame Gp-Undercarriage -Adjustable Gauge
| 12***70 | Capscrew; (Button Hd) (M8x1.25x20) (G10.9) | 3 |
| 21***17 | Bearing As-Swing | 1 |
| 22***35 | Frame Group-Undercarriage; -Adjustable Gauge | 1 |
224-9227 Frame Gp-Undercarriage
| 22***27 | Frame Group-Undercarriage | 1 |
| 24***63 | Frame Group-Undercarriage | 1 |
| 24***53 | Nut-Special; (M8x1.25-Thd) | 15 |
234-9371 Gear & Bearing Gp-Swing
| 14***94 | Bolt; (M8x1.25x55-mm) | 2 |
| 20***51 | Support | 1 |
| 22***49 | Idler Group-Front | 1 |
224-2560 Idler Gp-Front
| 22***60 | Idler Group-Front | 3 |
224-9233 Idler Gp-Front
| 13***70 | Shaft | 1 |
| 13***64 | Seal | 2 |
| 1B***67 | Ball Bearing | 2 |
226-4049 Idler Gp-Front
| 22***49 | Idler Group-Front | 1 |
| 23***66 | Roller As-Track | 6 |
| 8T***39 | Capscrew; (Hex Hd) (M12 X 1.75 X 30l Gr 10.9) | 12 |
224-9229 Roller Gp-Track-Center Flange
| 09***97 | Seal-O-Ring (Id=29.70mm) | 1 |
| 13***47 | Nut; (M20x1.5-Thd) | 1 |
| 13***48 | Ring-Backup | 1 |
232-7685 Spring Gp-Recoil
| 23***11 | Track As | 2 |
| 23***85 | Spring Group-Recoil | 1 |
224-9322 Track Gp -Rubber
| 22***27 | Frame Group-Undercarriage | 1 |
| 22***29 | Roller Group-Track-Center Flange | 1 |
| 22***33 | Idler Group-Front | 1 |
242-9676 Undercarriage Ar
| 22***29 | Roller Group-Track-Center Flange | 1 |
| 22***33 | Idler Group-Front | 1 |
| 22***35 | Frame Group-Undercarriage; -Adjustable Gauge | 1 |
224-9226 Undercarriage Ar
| 22***26 | Undercarriage Ar | 1 |
| 22***27 | Frame Group-Undercarriage | 1 |
| 22***29 | Roller Group-Track-Center Flange | 1 |
224-9225 Undercarriage Ar
| 22***25 | Undercarriage Ar | 1 |
| 22***29 | Roller Group-Track-Center Flange | 1 |
| 22***33 | Idler Group-Front | 1 |
242-9677 Undercarriage Ar
| 24***77 | Undercarriage Ar | 1 |
| 24***11 | Plate As | 1 |
| 24***12 | Plate As | 1 |
Work Tools
236-7184 Adapter-Tip -2-Strap, Center
| 23***84 | Adapter-Tip; -2-Strap, Center | 1 |
238-3204 Adapter-Tip -2-Strap, Center
| 23***04 | Adapter-Tip; -2-Strap, Center | 1 |
243-0240 Blade & Mounting Gp
| 13***93 | Cover | 1 |
| 22***69 | Blade & Bearing As | 1 |
| 22***48 | Pin As | 4 |
243-0241 Blade & Mounting Gp
| 13***93 | Cover | 1 |
| 22***44 | Blade & Bearing As | 1 |
| 22***51 | Blade As | 1 |
243-0245 Blade Ar
| 22***87 | Lines Group-Blade | 1 |
| 23***09 | Cylinder Group-Blade | 1 |
| 24***40 | Blade & Mounting Group | 1 |
243-0246 Blade Ar
| 23***09 | Cylinder Group-Blade | 1 |
| 24***41 | Blade & Mounting Group | 1 |
| 24***46 | Blade Ar | 1 |
147-1020 Bucket Ar-General Purpose
| 14***20 | Bucket Ar-General Purpose | 1 |
| 14***32 | Tooth Group-Uni | 3 |
190-7387 Bucket Ar-General Purpose
| 14***32 | Tooth Group-Uni | 3 |
| 19***87 | Bucket Ar-General Purpose | 1 |
147-1018 Bucket Ar-General Purpose
| 14***18 | Bucket Ar-General Purpose | 1 |
| 14***32 | Tooth Group-Uni | 3 |
147-1026 Bucket Ar-General Purpose
| 14***26 | Bucket Ar-General Purpose | 1 |
| 14***32 | Tooth Group-Uni | 4 |
147-1023 Bucket Ar-General Purpose
| 14***23 | Bucket Ar-General Purpose | 1 |
| 14***32 | Tooth Group-Uni | 4 |
317-0934 Bucket Ar-General Purpose
| 14***18 | Bucket Ar-General Purpose | 1 |
| 14***31 | Bucket As-Ditch Cleaning | 1 |
| 19***87 | Bucket Ar-General Purpose | 1 |
147-1014 Bucket Ar-General Purpose
| 14***14 | Bucket Ar-General Purpose | 1 |
| 14***32 | Tooth Group-Uni | 3 |
147-1029 Bucket As-Ditch Cleaning
| 14***29 | Bucket As-Ditch Cleaning | 1 |
| 15***04 | Plate-Instruction; (Bucket Specifications) | 1 |
| 16***89 | Tack-Fastener | 4 |
147-1031 Bucket As-Ditch Cleaning
| 14***31 | Bucket As-Ditch Cleaning | 1 |
| 15***04 | Plate-Instruction; (Bucket Specifications) | 1 |
| 16***89 | Tack-Fastener | 4 |
187-8802 Bucket Gp-Excavation
| 14***93 | Bolt; (M12x1.75x40-mm) | 6 |
| 18***02 | Bucket Group-Excavation | 1 |
| 23***99 | Tooth | 3 |
187-8803 Bucket Gp-Excavation
| 14***93 | Bolt; (M12x1.75x40-mm) | 8 |
| 18***03 | Bucket Group-Excavation | 1 |
| 23***99 | Tooth | 4 |
187-8804 Bucket Gp-Excavation
| 14***93 | Bolt; (M12x1.75x40-mm) | 8 |
| 18***04 | Bucket Group-Excavation | 1 |
| 23***99 | Tooth | 4 |
187-8801 Bucket Gp-Excavation
| 14***93 | Bolt; (M12x1.75x40-mm) | 6 |
| 18***01 | Bucket Group-Excavation | 1 |
| 23***99 | Tooth | 3 |
172-1155 Coupler Ar-Quick
| 17***55 | Coupler Ar-Quick; -Mechanical | 1 |
| 17***43 | Lock Group-Quick Coupler; -Mechanical | 1 |
| 17***86 | Plate & Film Group; -Quick Coupler | 1 |
240-4044 Coupler Gp-Quick
| 09***28 | Fitting-Grease | 1 |
| 09***37 | Pin; (Spring) | 2 |
| 24***44 | Coupler Group-Quick | 1 |
240-4043 Coupler Gp-Quick
| 16***45 | Pin | 2 |
| 24***43 | Coupler Group-Quick | 1 |
| 24***44 | Coupler Group-Quick | 1 |
233-2951 Coupler Gp-Quick
| 16***45 | Pin | 2 |
| 17***30 | Shim; (1-mm Thk) | 4 |
| 17***31 | Shim; (0.5-mm Thk) | 4 |
233-2950 Coupler Gp-Quick
| 15***96 | Pin As | 1 |
| 16***73 | Shim; (0.3-mm Thk) | 4 |
| 23***50 | Coupler Group-Quick | 1 |
246-0149 Lock Gp-Pin -Quick Coupler
| 09***81 | Pin-Spring | 1 |
| 20***82 | Knob | 1 |
| 21***42 | Seal-O-Ring | 2 |
172-8743 Lock Gp-Quick Coupler -Mechanical
| 17***43 | Lock Group-Quick Coupler; -Mechanical | 1 |
| 17***23 | Wedge | 1 |
| 17***24 | Spindle | 1 |
154-2672 Mounting Gp-Bucket
| 15***72 | Mounting Group-Bucket | 1 |
| 16***20 | Pin | 2 |
| 22***47 | Pin As | 2 |
237-4260 Pin & Follower Gp-Coupler
| 23***60 | Pin & Follower Group-Coupler | 1 |
| 24***49 | Lock Group-Pin; -Quick Coupler | 1 |
147-1032 Tooth Gp-Uni
| 13***80 | Tooth-Uni | 1 |
| 14***32 | Tooth Group-Uni | 1 |
| 8T***83 | Bolt (M12x1.75x40mm); (M12x1.75x40-mm) | 2 |
Frequently asked questions
What engine powers the Caterpillar 301.8C?
The machine is equipped with a Mitsubishi L3NE NA Diesel engine, providing approximately 19 hp (14 kW) of net power.
What is the operating weight of this model?
The Caterpillar 301.8C has an operating weight of approximately 1.78 tonnes (3,936 lbs).
What replaced the 301.8C?
Specific successor model information for the 301.8C is not documented in the provided source text.
What 301.8C owners discuss
What are the known hydraulic performance characteristics of the 301.8C?
What engine is used in the Caterpillar 301.8C and what fuel requirements apply?
What undercarriage features are standard on the 301.8C model?
What common electrical or display panel issues are reported by users?
What maintenance access features are available for servicing this machine?
What should be checked when purchasing a used 301.8C?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific 301.8C part?
Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.