Caterpillarforest productsknuckleboom loader
Caterpillar 539
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 539 is a trailer-mounted, non-self-propelled knuckleboom log loader. It rides on no tracks or wheels of its own; a carrier trailer sets it in the yard or landing, then four hydraulic outriggers extend and stabilize the pedestal-mounted boom for sorting, loading and decking logs. Every documented example runs the Cat 3126 DITA, a turbocharged, aftercooled, direct-injection HEUI diesel of about 7.2 L displacement across six cylinders, rated near 180 hp gross and about 168 hp at the flywheel. Operating weight sits close to 17,827 kg (39,219 lb), moving up or down with the boom and grapple fitted, with maximum reach around 9.8 m (32 ft) and swing speed near 10.5 rpm. The fuel tank, at roughly 492 L (130 US gal), doubles as counterweight for the boom. Caterpillar carried the 539 in its forest-products line through the 1990s and into the early 2000s before dropping it from the current model catalog by the mid-2000s. It shipped as a single stabilized-pedestal configuration built on the 1PZ-prefix chassis, with grapple and boom-reach choices matched to the job rather than separate named model variants.
Caterpillar's own records point to one confirmed production run of the 539 under the 1PZ serial prefix, with no second engine option or later generation showing up in factory documentation. That makes it a single-generation machine, unlike Caterpillar's later C6.6-powered knuckleboom loaders (519, 529, 559 and its B/C/D updates, 569, 579), which form a separate, newer lineage rather than a continuation of the 539 platform. Available records do not name a direct successor for the 539's own chassis and pedestal design; when the model left the current lineup, forest-products buyers moved on to the C6.6 generation as a practical next step, not as a documented one-for-one replacement. In the used and parts market today, the 539 sits as an aging, low-volume unit. Its Cat 3126 DITA engine platform is long out of current production, so injector, HEUI pump and turbocharger parts increasingly come through remanufactured or salvage channels. Swing bearing, boom pin-and-bushing, and outrigger cylinder wear parts see steady demand, because the condition of those components is what decides whether a used 539 is still safe and economical to run.
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 539 specifications
Engine
| Engine model | Cat 3126 DITA — turbocharged, aftercooled, direct-injection inline-6 diesel |
| Gross power | 134 kW (180 hp) |
| Net (flywheel) power | 125 kW (168 hp) |
| Displacement / cylinders | 7.2 L (441 cu in), 6 cylinders — standard configuration for this engine family |
| Emissions tier | Not published for this machine configuration — confirm current compliance status with your dealer |
Weights
| Operating weight | 17,827 kg (39,219 lb) |
| Shipping weight | Not published for this model |
| Ground pressure | Not applicable — the platform is stabilized on four wide-base outriggers rather than tracks or drive wheels |
Dimensions
| Mounting configuration | Trailer-mounted pedestal loader; frame is built around four wide-base stabilizers with the swing bearing centered in the structure |
| Transport length / width / height | Not published for this model — varies with the trailer and options fitted; confirm with your dealer |
Performance
| Maximum reach | 9.8 m (32 ft) |
| Swing speed | 10.5 rpm |
| Travel speed | Not applicable — the 539 is a stationary, trailer-mounted knuckleboom loader with no self-propulsion; it is towed and positioned by a highway tractor |
| Gradeability | Not applicable to this stationary loader configuration |
Service capacities (summary)
| Fuel tank | 492 L (130 US gal) — the integral tank also serves as counterweight for the platform, removing the need for an external counterweight |
| Hydraulic system | Closed-center, load-sensing circuit; reservoir capacity not published for this model — confirm with your dealer |
| Engine oil | Not published for this specific installation; the base engine's typical lube system refill runs around 25 L (6.6 US gal), depending on the oil pan fitted |
| Cooling system | Not published for this specific installation; the base engine's typical total cooling capacity (engine, aftercooler, radiator) runs around 39 L (10.3 US gal), depending on the radiator arrangement fitted |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
539 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) - Cat 3126 DITA | Not published for this loader's 3126 DITA installation in available documentation - verify actual oil pan/filter capacity with your dealer before servicing. | Cat DEO (Diesel Engine Oil). SAE 15W-40 above -18°C (0°F); SAE 10W-30 for a wider cold-to-warm range; Cat DEO synthetic 0W-40 or 5W-40 in sustained sub-zero climates. |
| Cooling system | Not published for the 539 in available documentation - varies by radiator/cooling package; verify with your dealer. | Cat ELC (Extended Life Coolant), factory premix or concentrate mixed 1:1 with water. Add Cat ELC Extender at the mid-life service interval; do not mix with conventional green coolant. |
| Fuel tank | 492 L (130 US gal) | No. 2-D diesel fuel. Blend with No. 1-D or use a winterized No. 2-D in cold climates for cold-flow performance; keep tank topped up to reduce condensation. |
| Transmission / travel drivetrain | Not applicable. The 539 is a trailer-mounted knuckleboom loader with no travel transmission - the engine drives hydraulic pumps only, for boom, swing, and stabilizer functions. | Not applicable. |
| Final drives | Not applicable. Trailer-mounted, non-propelled carrier - no final drive units are fitted. | Not applicable. |
| Hydraulic system and tank | Not published for the 539 in available documentation - varies by hydraulic package/options; verify exact tank and system capacity with your dealer before service. | Cat TDTO or Cat HYDO Advanced hydraulic oil, viscosity grade chosen from the standard Cat lubricant viscosity chart by ambient temperature (lighter grade for cold climates, heavier grade for sustained heat). |
| Axles / differentials | Not applicable. Running gear is a non-driven trailer axle with no differential. | Not applicable. |
| Grease - boom, grapple, swing bearing, stabilizer pins | Spec only - no reservoir capacity; apply at scheduled grease points per the lubrication chart. | Cat Multipurpose Grease, NLGI 2, for general pin and bearing points; Cat Advanced 3Moly Grease at high-load boom and grapple pivot pins. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 539 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 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 539 beyond the schedule
Predictive maintenance & fluid analysis
Run scheduled oil sampling (SOS) on the Cat 3126 DITA's engine oil, hydraulic reservoir and coolant to catch HEUI pump and injector wear metals before failure. Track injection actuation pressure trends; a slow decline signals HEUI pump or IAP control valve wear ahead of a hard fault. Monitor hydraulic filter condition indicators and particle counts, since outrigger cylinder drift and boom slop often start as fine contamination long before a seal visibly leaks.
Corrective & common repairs
Most 539 downtime traces to the 3126 DITA's HEUI fuel system: injector O-ring seal leakage lets actuation oil bypass into the cylinder, and a worn HEUI pump or faulty actuation pressure sensor causes hard starting, smoke or power loss. Turbocharger shaft seal wear at high hours shows up as blue smoke and rising oil consumption. On the machine side, outrigger cylinders that drift under load need seal or valve repair, and a chattering or notchy swing bearing needs bolt retorque or bearing replacement before it becomes a safety issue.
Overhaul & rebuild points
High-hour 539s reach overhaul at the engine top end first: injectors, HEUI pump and turbocharger wear together on the 3126 DITA and are usually rebuilt as a set rather than piecemeal. The swing bearing and swing gear are the other major rebuild point; as a safety-critical rotating joint carrying the whole boom and load, replace it on backlash or bolt-hole wear rather than run it to failure. Boom and stick pins, bushings and wear pads also reach a rebuild threshold together, since one worn joint accelerates wear in the next.
Seasonal & environment servicing
Forestry duty exposes the 539 to standing dust, bark debris and moisture that push into swing bearing seals, boom pivot bushings and outrigger cylinder rod seals; grease more often in wet or dusty seasons. Cold weather thickens HEUI actuation oil and hydraulic fluid, so use a block heater and cold-weather-grade oils before start-up. The engine, fuel tank and hydraulic lines sit exposed on an open trailer chassis; check coolant freeze protection, drain water from fuel filters before winter, and watch electrical connectors for corrosion from outdoor storage.
539 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 112-6523 | Insert-Fuel Filter | Fuel system service | Check fitment → |
| 1R-0751 | Filter-Fuel | Fuel system service | Check fitment → |
| 1R-0753 | Filter-Fuel | Fuel system service | Check fitment → |
| 7E-5189 | Valve As | Fuel system service | Check fitment → |
| 133-3021 | Film-Instruction | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
539 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| 164-11 | Injection actuation pressure (HEUI hydraulic oil pressure) system fault, root cause not isolated to one sensor reading | Injection actuation pressure control (IAPCV) valve sticking or failing, actuation pressure sensor drift, air or fuel leak in the HEUI supply circuit, or a chafed harness between the sensor and ECM | Confirm actual injection actuation pressure with a diagnostic gauge or Cat ET before replacing parts; inspect the IAPCV wiring and HEUI pump supply lines first |
| 100-3 / 100-4 | Engine oil pressure sensor signal reads above (open or shorted high) or below (shorted to ground) the expected range | Failed oil pressure sensor, corroded sensor connector, or chafed wiring between the sensor and ECM | Verify true oil pressure with a mechanical test gauge at the sensor port before condemning the sensor; inspect the harness for corrosion or damage |
| 110-3 / 110-4 | Engine coolant temperature sensor signal above or below the normal voltage range | Failed coolant temperature sensor, corroded connector pins, or a wire shorted to power or ground | Check sensor resistance against the Cat temperature-resistance chart, inspect the harness, and replace the sensor if it reads out of range |
| 91-8 | Throttle/engine-speed control position sensor signal is erratic or out of the expected frequency range | Worn or damaged speed-control position sensor or linkage, chafed sensor wiring, or an ECM calibration mismatch | Inspect the throttle linkage and sensor mounting, check sensor output on Cat ET, and replace the sensor if the signal is erratic |
| 168-2 / 168-3 / 168-4 | System (battery) voltage supplied to the ECM is erratic or outside the normal range | Weak or failing batteries, a poor ground strap, loose or corroded main power connections at the ECM, or a charging system fault | Load-test the batteries, clean and tighten ECM grounds and power connections, and check alternator output |
| 1-5 through 6-5 | An individual cylinder's injector solenoid circuit is open or not responding to the ECM command | Failed injector solenoid, corroded or broken injector harness connector, or an ECM driver fault | Run a cylinder cutout test on Cat ET, inspect the injector harness and connector pins, and check circuit continuity before replacing the injector |
| 248-9 | ECM cannot maintain a reliable Cat Data Link connection with the diagnostic service tool | Damaged data link wiring or diagnostic connector, corrosion at the connector pins, or more than one device competing on the same data link | Inspect the diagnostic connector and data link wiring for damage or corrosion, and confirm only one service tool is connected before retesting |
| 111-3 (Low Coolant Level) | Coolant level sensor circuit is open, or coolant has dropped below the sensor probe | Actual coolant loss from an external or internal leak, a failed level sensor/probe, or a wiring fault at the sensor | Check coolant level and inspect for leaks first; test the sensor circuit only after confirming coolant level is correct |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
539 attachments & work tools
Grapples
A factory-installed continuous-rotation log grapple is the primary work tool on this loader, pin-mounted at the stick tip through a hydraulic rotator so it can spin freely without hose wrap. Class-typical grapple styles range from single-tine log grapples used for sorting and truck loading to wider multi-tine bunching grapples for handling several stems at once; exact tine spread and opening capacity for this model are not published and vary by grapple ordered.
Pull-through delimber with topping saw
Boom and stick are engineered for combination pull-through delimbing and truck loading, and a trailer-mounted pull-through delimber with an integrated topping saw was offered as a factory-installed option. Knife/blade count on this era of Cat pull-through delimber varies by package (three-knife and four-knife pull-through units are both used across the loader line); confirm the exact configuration against the machine's build sheet rather than assuming one count.
Ground saw / slasher hydraulics
A factory ground-saw hydraulic circuit is available so the loader can power a ground-mounted slasher saw for bucking stems to length as part of a trailer-based delimb-and-buck merchandising setup. This is an add-on hydraulic supply, not a boom-mounted tool, and is ordered together with the delimber/trailer package rather than as a standalone item.
Fifth-wheel trailer mount
This is a trailer-mounted knuckleboom loader, not a stationary-mount or track-mounted unit. It couples to a road trailer chassis through a fifth-wheel/kingpin connection, used both for highway transport and for repositioning around the log yard or landing.
Work-tool mounting and hydraulics
Work tools pin-mount at the stick tip and run off a closed-center, load-sensing hydraulic system carried over from excavator technology. Swing is driven by a fixed-displacement piston motor through a multi-stage planetary final drive, giving high initial torque combined with high rotational speed for pull-through delimbing loads. There is no excavator-style quick-coupler plate; grapple, delimber, and saw attachments use dedicated pin joints and hydraulic quick-connect fittings sized to each tool.
Cab guarding and controls
The operator cab carries FOGS (falling-object) and OPS (operator protective structure) guarding rated beyond standard OSHA requirements for forestry loader work. Implement and grapple functions are joystick-controlled, swing is actuated by a double-acting foot pedal, and hydraulics are disabled automatically when the operator leaves the seat.
All 539 assemblies by section
Every catalogued assembly group for the Caterpillar 539. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
136-0596 Aftercooler Gp-Water
| 03***83 | Nipple-Front Axle Suction Port | 1 |
| 10***46 | Hose | 1 |
| 13***96 | Aftercooler Group-Water | 1 |
160-8654 Air Cleaner Gp
| 12***37 | Precleaner As; -Air Cleaner-Air Inlet | 1 |
| 12***33 | Clip | 1 |
| 16***54 | Air Cleaner Group | 1 |
161-3412 Air Cleaner Gp
| 10***50 | Film; (Air Cleaner) (Radial Seal) (On Air Cleaner Cover) | 1 |
| 16***12 | Air Cleaner Group | 1 |
| 4P***24 | Seal-O-Ring | 1 |
136-0589 Lines Gp-Air
| 13***88 | Hose | 1 |
| 13***89 | Lines Group-Air | 1 |
| 8T***03 | Clamp; (Hose) | 2 |
7w-9248 Manifold Gp-Exhaust
| 10***38 | Manifold-Exhaust | 1 |
| 11***00 | Gasket-Manifold | 3 |
| 14***48 | Bolt; (M10x1.5x65-mm)(M10x1.50x65mm) | 12 |
147-1245 Manifold Gp-Inlet
| 11***50 | Gasket | 1 |
| 12***79 | Stud-Taperlock; (M8x1.25x130-mm) | 2 |
| 14***45 | Manifold Group-Inlet | 1 |
171-4678 Manifold Gp-Inlet
| 11***50 | Gasket | 1 |
| 12***79 | Stud-Taperlock; (M8x1.25x130-mm) | 1 |
| 14***95 | Plug As | 2 |
163-0567 Muffler Gp
| 10***70 | Elbow-Exhaust | 1 |
| 10***25 | Coupling-Exhaust | 1 |
| 16***67 | Muffler Group | 1 |
124-3237 Precleaner Gp -Air Cleaner
| 12***37 | Precleaner As; -Air Cleaner-Air Inlet | 1 |
| 5P***99 | Clamp; (Hose) | 1 |
| 6H***21 | Body-Pre-Cleaner | 1 |
172-4393 Turbocharger Gp
| 16***81 | Turbocharger Group | 1 |
| 17***93 | Turbocharger Group | 1 |
| 3E***17 | Locknut; (M10x1.5-Thd)(Spiralock) | 4 |
124-9340 Turbocharger Gp
| 10***77 | Housing | 1 |
| 11***58 | Cartridge Group-Turbocharger | 1 |
| 12***54 | Seal-O-Ring | 1 |
119-3084 Turbocharger Gp
| 11***84 | Turbocharger Group | 1 |
| 12***40 | Turbocharger Group | 1 |
| 3E***17 | Locknut; (M10x1.5-Thd)(Spiralock) | 4 |
161-4381 Turbocharger Gp
| 10***77 | Housing | 1 |
| 11***58 | Cartridge Group-Turbocharger | 1 |
| 12***54 | Seal-O-Ring | 1 |
Basic Engine
183-5907 Base Gp-Engine
| 18***06 | Base As | 1 |
| 18***07 | Base Group-Engine | 1 |
| 7X***53 | Bolt-Plt; (M16 X 2.0 X 40) | 4 |
7e-1487 Base Gp-Engine
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 8 |
| 6V***49 | Nut-Hard; (M12 X 1.75) | 4 |
| 6V***97 | Bolt; (M12x1.75x40-mm)(Locking) | 4 |
108-5759 Camshaft Gp
| 10***94 | Plate-Thrust | 1 |
| 10***59 | Camshaft Group; (Single) | 1 |
| 13***76 | Camshaft Assem. | 1 |
4w-3462 Carrier Gp-Seal
| 23***83 | Gasket | 1 |
| 24***76 | Seal | 1 |
| 2W***46 | Cover | 1 |
163-0363 Cover Gp-Cylinder Block
| 11***18 | Bolt As; (M8x1.25x16-mm) | 4 |
| 16***63 | Cover Group-Cylinder Block | 1 |
| 1U***46 | Sealant (For Locations A) | 0 |
7l-0004 Cover Gp-Front Housing
| 10***20 | Cover As-Front | 1 |
| 13***19 | Seal-Integral; (Integral) | 1 |
| 1U***46 | Sealant (For Locations A) | 0 |
4w-2172 Cover Gp-Valve Mechanism
| 11***40 | Gasket; (Valve Cover) | 1 |
| 11***60 | Cover | 1 |
| 4W***72 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
113-6087 Crankshaft Gp
| 10***08 | Bearing-Main; (Standard) | 6 |
| 11***87 | Crankshaft Group | 1 |
| 14***62 | Bearing; (0.25mm Undersize) | 0 |
263-3774 Cylinder Block Gp
| 26***74 | Cylinder Block Group | 1 |
| 5P***47 | Washer (Bracket To Valve Support) | 14 |
| 7E***68 | Cap-Crankshaft Bearing | 7 |
129-1165 Cylinder Block Gp
| 03***53 | Seal-O-Ring; (08.92mm Id) | 1 |
| 12***65 | Cylinder Block Group | 1 |
| 18***09 | Plug As; (High Temperature) | 1 |
305-8141 Cylinder Block Gp
| 21***86 | Bearing-Sleeve; (Camshaft) | 1 |
| 26***74 | Cylinder Block Group | 1 |
| 2M***71 | Plug-Cup; (38.35mm Avg Od) | 2 |
190-9066 Cylinder Head As
| 11***61 | Sleeve | 6 |
| 16***63 | Insert-Valve Seat; (Inlet) | 6 |
| 19***66 | Cylinder Head As | 1 |
140-7373 Cylinder Head As
| 11***36 | Seal-Valve Stem | 12 |
| 14***73 | Cylinder Head As | 1 |
| 19***66 | Cylinder Head As | 1 |
140-7370 Cylinder Head Gp
| 12***36 | Bolt-Hex Head; (M20x2.5x160mm) | 14 |
| 14***70 | Cylinder Head Group | 1 |
| 14***71 | Cylinder Head Group | 1 |
160-5130 Cylinder Head Gp
| 14***71 | Cylinder Head Group | 1 |
| 16***30 | Cylinder Head Group | 1 |
| 1J***71 | Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter | 3 |
140-7371 Cylinder Head Gp
| 11***36 | Seal-Valve Stem | 12 |
| 13***19 | Valve-Exhaust | 6 |
| 14***71 | Cylinder Head Group | 1 |
4p-2844 Damper & Pulley Gp
| 20***88 | Damper Assem. | 1 |
| 4P***43 | Pulley | 1 |
| 4P***44 | Damper & Pulley Group | 1 |
164-0978 Damper & Pulley Gp
| 16***78 | Damper & Pulley Group | 1 |
| 16***42 | Pulley-Crankshaft | 1 |
| 6V***30 | Bolt; (M10x1.5x60-mm) | 8 |
118-2073 Drain Gp-Engine Oil
| 11***73 | Drain Group-Engine Oil; (Valve) | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
| 6V***38 | Valve-Shutoff; (Engine Oil Pan Drain) | 1 |
167-1244 Drain Gp-Engine Oil
| 16***44 | Drain Group-Engine Oil | 1 |
| 5D***26 | Clamp-Band; (9/16 To 1 1/16) | 1 |
| 5P***43 | Hose 34 cm (13.39 In.) | 0 |
7c-0044 Drive Gp-Fan
| 4W***03 | Cup-Roller Bearing | 2 |
| 4W***04 | Cone-Roller Bearing | 2 |
| 4W***42 | Spacer; (35.3x45.5x38.331-mm Thk) | 1 |
4w-5428 Drive Gp-Water Pump
| 03***75 | V-Belt; (Pump Drive)(Water) | 1 |
| 10***67 | Plate As-Idler | 1 |
| 11***04 | Pulley As-Idler | 1 |
163-0566 Fastener Gp-Engine Base
| 16***66 | Fastener Group-Engine Base | 1 |
| 7X***53 | Bolt-Plt; (M16 X 2.0 X 40) | 4 |
| 8T***32 | Nut (M16 X 2 Thd); (M16x2.00 Thd) | 4 |
9y-6092 Flywheel Gp
| 16***80 | Flywheel As | 1 |
| 1W***64 | Gear-Flywheel Ring; (126-Teeth) | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 8 |
101-4540 Gear Gp-Front
| 10***07 | Shaft-Cam Idler | 1 |
| 10***08 | Plate-Retaining | 1 |
| 10***40 | Gear Group-Front | 1 |
200-4496 Gear Gp-Front
| 11***69 | Plate-Thrust | 1 |
| 11***72 | Bearing | 1 |
| 11***34 | Gear As (50 Teeth) | 1 |
7w-8813 Housing Gp-Flywheel
| 2P***94 | Plug-Sealing | 1 |
| 6V***42 | Bolt (M10x1.50x40mm) | 2 |
| 7C***33 | Housing-Flywheel | 1 |
180-0543 Housing Gp-Front
| 10***11 | Plug | 2 |
| 13***42 | Housing-Front | 1 |
| 18***43 | Housing Group-Front | 1 |
101-4539 Housing Gp-Front
| 10***39 | Housing Group-Front | 1 |
| 10***11 | Plug | 2 |
| 13***42 | Housing-Front | 1 |
164-9312 Lifting Gp-Engine
| 16***12 | Lifting Group-Engine | 1 |
| 16***13 | Bracket-Mounting | 1 |
| 4W***83 | Plate-Lifting; (Front) | 1 |
203-8241 Mounting Gp-Engine
| 20***82 | Support As; (R.H.) | 1 |
| 20***83 | Support As; (L.H.) | 1 |
| 20***84 | Bracket As; (L.H.) | 1 |
163-0565 Mounting Gp-Engine
| 10***32 | Support As; (Lh) | 1 |
| 16***65 | Mounting Group-Engine | 1 |
| 16***35 | Support As-Rh | 1 |
108-8092 Pan Gp-Oil
| 10***92 | Pan Group-Oil | 1 |
| 10***93 | Pan-Oil | 1 |
| 26***16 | Gasket-Oil Pan; (Engine) | 1 |
147-9592 Piston & Rod Gp
| 10***66 | Ring-Piston; (Oil Regulating) | 1 |
| 13***46 | Ring-Piston; (Top) | 1 |
| 13***83 | Crown As-Piston | 1 |
156-0228 Plug Gp-Cylinder Block
| 15***28 | Plug Group-Engine | 1 |
| 3D***24 | O-Ring - For Oil Drain & Level Plug (Items 3 & 7) | 2 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
4w-5429 Pulley Gp-Crankshaft
| 2W***81 | Plate-Clamp; (Pulley Clamp) | 1 |
| 4W***29 | Pulley Group-Crankshaft; Crankshaft Pulley Group | 1 |
| 7W***73 | Pulley-Crankshaft; (1-Groove) | 1 |
163-0564 Pulley Gp-Fan & Alt Drive
| 16***64 | Pulley Group-Fan & Alt Drive | 1 |
| 16***95 | Pulley-Alternator | 1 |
| 2P***85 | V-Belt; (Air Conditioning) | 1 |
107-7722 Rocker Arm Gp
| 0L***26 | Plug -13mm(.512 In.) Outside Dia. | 1 |
| 10***91 | Seat-Wear | 1 |
| 10***76 | Rocker Arm As; (Unit Injector) | 1 |
115-4203 Seal Gp-Crankshaft
| 11***03 | Seal Group-Crankshaft | 1 |
| 22***09 | Seal Group-Crankshaft; (Rear) | 1 |
| 24***39 | Seal-Crankshaft; (Front)(Front) | 1 |
100-5728 Support Gp-Engine
| 10***62 | Support As-Front, . Collar | 1 |
| 10***28 | Support Group-Engine | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 6 |
180-3035 Support Gp-Engine
| 10***41 | Bracket As; (Rh) | 1 |
| 10***42 | Bracket As; (Lh) | 1 |
| 10***62 | Support As-Front, . Collar | 1 |
8m-8341 V-Belt Set
| 8M***41 | V-Belt Set; 1575 mm (62 In.) Lg-Includes 2 Belts | 1 |
4p-4372 Mechanism Gp-Fuel Pump & Valve
| 10***22 | Rocker Arm Group-Valve | 6 |
| 14***47 | Arm As-Lifter | 4 |
| 2D***42 | Ball 6.35 mm(.25 In.)Diameter | 2 |
Cooling System
7c-5467 Adapter Gp-Fan
| 6I***37 | Adapter; (Fan) | 1 |
| 7C***67 | Adapter Group-Fan | 1 |
| 8T***77 | Bolt-Plt; (M8 X 1.25 X 90) | 6 |
100-6269 Cooler Gp-Engine Oil
| 10***69 | Cooler Group-Engine Oil | 1 |
| 23***55 | Gasket | 1 |
| 26***43 | Core As-Engine Oil Cooler | 1 |
160-8655 Fan Gp-Suction
| 10***14 | Spider As-Suction Fan | 1 |
| 16***55 | Fan Group-Suction | 1 |
4w-6620 Lines Gp-Water
| 12***47 | Housing-Water Regulating | 1 |
| 12***69 | Regulator-Water Temperature; (94-Deg C) | 1 |
| 14***95 | Plug As | 2 |
203-8047 Mounting Gp-Rad & Hyd Cooler
| 10***12 | Tube As | 1 |
| 10***13 | Hose; (Lower Radiator) | 1 |
| 10***14 | Hose; (Upper Radiator) | 1 |
7c-4508 Pump Gp-Water
| 15***37 | Pump Group-Water | 1 |
| 1J***71 | Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter | 1 |
| 3D***24 | O-Ring - For Oil Drain & Level Plug (Items 3 & 7) | 1 |
4w-7589 Pump Gp-Water
| 2M***53 | Seal--To Seal Brake Housing To Main Housing | 1 |
| 4J***24 | Seal 46.99 mm(1.85 In.) I.D. | 1 |
| 4W***89 | Pump Group-Water | 1 |
159-3137 Pump Gp-Water
| 14***88 | Seal As; (Water Pump) | 1 |
| 15***52 | Impeller-Pump | 1 |
| 15***37 | Pump Group-Water | 1 |
205-1036 Radiator & Hyd Oil Cooler Gp
| 12***57 | Radiator Group | 1 |
| 14***73 | Bumper | 3 |
| 20***48 | Core As-Oil Cooler | 1 |
171-2885 Radiator Gp
| 10***12 | Tube As | 1 |
| 10***13 | Hose; (Lower Radiator) | 1 |
| 10***14 | Hose; (Upper Radiator) | 1 |
124-7257 Radiator Gp
| 12***57 | Radiator Group | 1 |
| 5S***49 | Bolt; (1/4-20x0.5-In)(1/4-20x.5in) | 8 |
| 6L***17 | Cap-Radiator; (7-Psi)(Coolant Tank) | 1 |
Electrical And Starting System
3e-6328 Alarm Gp
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 2 |
| 3E***28 | Alarm Group; -Caterpillar Monitoring System-Action | 1 |
132-2156 Alternator Gp-Charging
| 03***12 | Screw-Forming; (10-24x0.5-In) | 3 |
| 12***68 | Kit-Alternator Guard | 1 |
| 13***22 | Rotor As-Alternator; (24-Volt) | 1 |
160-8656 Alternator Gp-Charging
| 11***51 | Strap-Adjustment | 1 |
| 13***56 | Alternator Group-Charging | 1 |
| 15***70 | Guard As-Alternator | 1 |
162-1485 Battery Gp
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 3 |
| 11***91 | Cable As | 1 |
| 11***67 | Cable As | 1 |
3e-6389 Lamp Gp-Dome -With Switch
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
| 3E***89 | Lamp Group-Dome; -With Switch-Cab, Rh, Lh | 1 |
242-3517 Lamp Gp-Flood
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 14***89 | Screw; (M6.5x40-mm) | 4 |
| 16***56 | Bolt-Hex Head; (M8x1.25x30mm) | 1 |
112-9378 Lamp Gp-Flood
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 11***78 | Lamp Group-Flood; -Suspended Mount | 1 |
| 14***82 | Screw; (7.4x20-mm) | 2 |
156-7895 Lighting Gp-Flood
| 11***78 | Lamp Group-Flood; -Suspended Mount | 2 |
| 11***79 | Clip As-Connect | 1 |
| 13***51 | Bracket As | 2 |
161-8167 Motor Gp-Electric -Swivel
| 10***05 | Kit-Receptacle; (6-Pin)(Display Monitor Harness) | 1 |
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 1 |
| 15***65 | Kit-Connecting Plug; (8-Pin)(Electronic Control Channel) | 1 |
161-8137 Panel Gp-Circuit Breaker
| 09***66 | Washer; (Hard) (4.5x9x1mm Thk) | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 2 |
| 10***04 | Controller-Air | 1 |
7c-4028 Solenoid Gp-Shutoff -Fuel
| 15***52 | Solenoid As; (Fuel Shutoff) | 1 |
| 4B***74 | Washer (Required Only When Bosch Alternator Is Fitted) | 1 |
| 4K***88 | Seal; Adapter To Oil Pump Outlet Manifold | 1 |
134-2356 Starting Aid Gp -Air Inlet Heater
| 10***52 | Heater As; (22-Volt, 2160-Watt)(Air Inlet) | 1 |
| 10***47 | Strap-Grounding | 1 |
| 12***79 | Stud-Taperlock; (M8x1.25x130-mm) | 1 |
6v-5720 Starting Motor Gp-Electric
| 03***21 | Shim Lever Housing | 1 |
| 03***23 | Bolt; (1/4-28x1-In) | 5 |
| 10***63 | Terminal As-Starter | 1 |
108-3858 Starting Motor Gp-Electric
| 10***40 | Starting Motor Group-Electric | 1 |
| 10***58 | Starting Motor Group-Electric | 1 |
| 11***73 | Bolt-12 Point Head; (M10x1.5x35-mm) | 3 |
106-8557 Starting Motor Gp-Electric
| 10***57 | Starting Motor Group-Electric; Electric Starting Motor Group (Robert Bosch) | 1 |
| 7X***62 | Washer-Hard; (13.5x19x0.8-mm Thk) | 3 |
| 8F***34 | Lockwasher; (External Teeth) | 1 |
104-7040 Starting Motor Gp-Electric
| 10***40 | Starting Motor Group-Electric | 1 |
| 10***57 | Starting Motor Group-Electric; Electric Starting Motor Group (Robert Bosch) | 1 |
| 6V***20 | Starting Motor Group-Electric; (Electric) | 1 |
207-1511 Starting Motor Gp-Electric
| 03***23 | Bolt; (1/4-28x1-In) | 5 |
| 10***63 | Terminal As-Starter | 1 |
| 10***49 | Housing As-Starter | 1 |
7n-0718 Switch Gp-Disconnect -Battery
| 2H***22 | Lockwasher | 2 |
| 6F***45 | Nut-Full; (3/8-24-Thd) | 2 |
| 7N***18 | Switch As-Disconnect; -Battery-Ground Level | 1 |
254-3783 Switch Gp-Magnetic
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***36 | Socket-Connector; (16-Ga To 18-Ga) | 2 |
| 25***83 | Switch Group-Magnetic; -Main Relay-Main Power Relay | 1 |
167-0138 Switch Gp-Magnetic
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***38 | Switch Group-Magnetic; -Main Relay-Main Power Relay | 1 |
| 18***36 | Socket-Connector; (16-Ga To 18-Ga) | 2 |
241-8368 Switch Gp-Magnetic
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***36 | Socket-Connector; (16-Ga To 18-Ga) | 2 |
| 24***68 | Switch Group-Magnetic; -Main Power Relay-Main Relay | 1 |
197-7371 Switch Gp-Pressure
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 19***71 | Switch Group-Pressure; -Travel | 1 |
| 3E***65 | Wedge; (Receptacle Lock) (2 Pin) | 1 |
9g-7641 Switch Gp-Start -Engine, Key
| 6V***62 | Screw-Machine; (8-32x0.31-In) | 4 |
| 7T***99 | Nut-Mounting; (1-32-Thd) | 1 |
| 9B***33 | Lockwasher; (Int'L Tooth) | 4 |
3e-0155 Switch Gp-Wiper -Intermittent
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 1 |
| 11***86 | Wiper Switch Assembly; (24-Volt)(Front/Intermittent) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
161-8172 Wiring Gp-Cab
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***04 | Suppressor As-Arc | 1 |
| 11***78 | Lamp Group-Flood; -Suspended Mount | 2 |
161-8175 Wiring Gp-Console -Rh
| 09***66 | Washer; (Hard) (4.5x9x1mm Thk) | 4 |
| 10***11 | Bracket Assem. | 1 |
| 11***82 | Strap | 4 |
161-8173 Wiring Gp-Console -Lh
| 09***62 | Washer; (Hard) (3.4x7x0.8mm Thk) | 2 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***05 | Kit-Receptacle; (6-Pin)(Display Monitor Harness) | 1 |
161-8139 Wiring Gp-Engine
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***08 | Sender Assem.; (Hydraulic Oil Temperature) | 1 |
| 10***04 | Suppressor As-Arc | 1 |
162-8699 Wiring Gp-Lower Machine
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 7 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 10***05 | Kit-Receptacle; (6-Pin)(Display Monitor Harness) | 1 |
156-7897 Wiring Gp-Upper Machine
| 10***01 | Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge) | 4 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 1 |
Engine Arrangement
159-0877 Engine Ar
| 10***28 | Support Group-Engine | 1 |
| 10***69 | Cooler Group-Engine Oil | 1 |
| 10***39 | Housing Group-Front | 1 |
160-4964 Engine Ar-Core
| 10***40 | Gear Group-Front | 1 |
| 10***95 | Control Group-Fuel Injection | 1 |
| 10***31 | Lines Group-Fuel Ratio Control; Air Fuel Ratio Control Lines Group, Angle | 1 |
159-0878 Installation Ar-Engine
| 15***78 | Installation Ar-Engine | 1 |
| 16***54 | Air Cleaner Group | 1 |
| 16***55 | Fan Group-Suction | 1 |
Frame And Body
158-2858 Frame & Tank As-Upper
| 14***51 | Plate | 2 |
| 15***58 | Frame & Tank As-Upper | 1 |
| 16***87 | Plate As | 7 |
156-7904 Frame & Tank Gp-Upper
| 09***49 | Washer; (22x60x6-mm Thk) | 2 |
| 14***06 | Plug As | 1 |
| 15***04 | Frame & Tank Group-Upper | 1 |
156-7905 Frame Gp-Undercarriage
| 09***49 | Washer; (22x60x6-mm Thk) | 8 |
| 15***05 | Frame Group-Undercarriage | 1 |
| 15***62 | Plate As | 2 |
156-7918 Gear & Bearing Gp-Swing
| 15***18 | Gear & Bearing Group-Swing | 1 |
| 17***62 | Bearing As | 1 |
| 7X***90 | Bolt; (7/8-9x5-In) | 72 |
165-2526 Guard Gp-Cab
| 16***15 | Guard As | 1 |
| 16***26 | Guard Group-Cab | 1 |
| 17***67 | Pin | 6 |
171-2033 Guard Gp-Power Train
| 17***33 | Guard Group-Power Train | 1 |
| 17***06 | Plate As | 1 |
| 17***63 | Plate | 1 |
161-6120 Handhold Gp
| 16***20 | Handhold Group | 1 |
| 16***72 | Handle As | 2 |
| 8T***21 | Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm) | 8 |
156-7901 Handrail Gp
| 15***01 | Handrail Group | 1 |
| 15***33 | Handrail As | 1 |
| 16***29 | Handle As | 1 |
156-7898 Hood & Guard Gp
| 11***87 | Cam-Latch | 2 |
| 11***81 | Hinge Assem. | 3 |
| 12***13 | Bracket | 1 |
174-9898 Ladder Gp -Service
| 17***16 | Ladder As | 1 |
| 17***19 | Step | 5 |
| 17***03 | Handle As | 1 |
161-6119 Lines Gp-Grease
| 16***19 | Lines Group-Grease | 1 |
| 16***92 | Hose As | 2 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 2 |
185-6378 Trailer Ar-Log Loader
| 18***78 | Trailer Ar-Log Loader | 1 |
177-1409 Trailer Ar-Log Loader
| 16***90 | Trailer Ar-Log Loader | 1 |
| 17***61 | Delimber Ar | 1 |
| 17***08 | Lines Group-Hydraulic | 1 |
162-1490 Trailer Ar-Log Loader
| 16***90 | Trailer Ar-Log Loader | 1 |
187-9021 Trailer Ar-Log Loader
| 18***21 | Trailer Ar-Log Loader | 1 |
Fuel System
129-1102 Base Gp-Fuel Filter
| 11***23 | Insert-Fuel Filter | 1 |
| 12***01 | Valve Group-Check; -Fuel-Fuel Filter | 1 |
| 12***02 | Base Group-Fuel Filter | 1 |
105-1695 Control Gp-Fuel Injection
| 10***95 | Control Group-Fuel Injection | 1 |
| 16***56 | Control Group-Fuel Injection | 1 |
| 6V***83 | Bolt (16mm Long); (M6x1x16-mm) | 4 |
156-7906 Control Gp-Governor
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 15***06 | Control Group-Governor | 1 |
| 16***41 | Actuator As-Governor; (Throttle Control) | 1 |
7e-9429 Control Gp-Governor
| 5C***53 | Bolt (M6x1.00x16mm); (M6x1x16mm Thk) | 1 |
| 6I***82 | Lever As | 1 |
| 6I***83 | Spring | 2 |
7e-8794 Drive Gp-Gov & Transfer Pump
| 10***68 | Gear As-Drive; (44-Teeth), . Body | 1 |
| 10***85 | Lever-Shutoff; (Output) | 1 |
| 1W***65 | Ring-Retaining | 1 |
7w-4812 Fastener Gp-Fuel Inj Pump
| 1T***68 | Seal-O-Ring; (Fuel Injection Pump) | 1 |
| 6F***73 | Seal--To Top Cover On Selector Valve | 1 |
| 6V***18 | Bolt (M8x1.25x45mm); (M8x1.25x35-mm) | 3 |
154-3703 Governor Gp-Unit Injector
| 10***91 | Spring-Oil Side | 1 |
| 11***93 | Cam Assem. | 1 |
| 13***62 | Governor Group-Unit Injector | 1 |
133-3062 Governor Gp-Unit Injector
| 10***90 | Spring-Air Side | 1 |
| 10***92 | Spring-Servo | 1 |
| 10***93 | Spring-Return | 1 |
157-6088 Governor Gp-Unit Injector
| 15***03 | Governor Group-Unit Injector; (Unit Injector) | 1 |
| 15***88 | Governor Group-Unit Injector; (Unit Injector) | 1 |
| 7W***12 | Fastener Group-Governor; Fastener Group(Governor) (~1c K5811) | 1 |
156-7903 Lines Gp-Fuel
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 1 |
| 14***67 | Elbow Group; (Each Includes) | 1 |
| 14***69 | Adapter; (90° Elbow Orfs/Orb) | 1 |
162-9664 Lines Gp-Fuel Filter
| 10***29 | Hose; (60-cm) | 0 |
| 10***99 | Strap As | 2 |
| 12***02 | Base Group-Fuel Filter | 1 |
107-7731 Lines Gp-Fuel Ratio Control
| 10***80 | Tube Assem. | 1 |
| 10***31 | Lines Group-Fuel Ratio Control; Air Fuel Ratio Control Lines Group, Angle | 1 |
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 1 |
7w-8434 Lines Gp-Governor Oil
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 2 |
| 4J***77 | Seal - O - Ring (11.23mm Od) | 2 |
| 6V***28 | Elbow-Face Seal (For 6.35mm Od Tube) | 1 |
107-7732 Pump Gp-Fuel Injection
| 10***32 | Pump Group-Fuel Injection | 1 |
| 11***18 | Seal-O-Ring; (26.64mm Id) | 1 |
| 12***16 | Fuel Injector Group | 1 |
149-2683 Separator Gp-Water
| 11***01 | Bowl As-Water Collection | 1 |
| 11***18 | Ring-Retaining | 1 |
| 11***19 | Nut | 1 |
173-6655 Tank Gp-Fuel
| 09***30 | Seal-O-Ring (Id=179.30mm) | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***28 | Plate | 1 |
129-1101 Valve Gp-Check -Fuel
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 12***01 | Valve Group-Check; -Fuel-Fuel Filter | 1 |
| 6V***23 | Ring; (Backup) (13.16mm Id) | 1 |
Hydraulic System
210-0147 Brake Gp-Swing
| 21***47 | Brake Group-Swing | 1 |
| 8U***40 | Washer | 1 |
| 8U***41 | Spring | 14 |
177-4174 Brake Gp-Swing
| 17***74 | Brake Group-Swing | 1 |
| 21***47 | Brake Group-Swing | 1 |
| 21***33 | Housing | 1 |
213-3138 Conversion Ar-Hydraulic
| 14***29 | Connector As | 2 |
| 14***52 | Elbow As. | 3 |
| 14***29 | Tee As-Orfs | 2 |
165-0090 Conversion Gp-Four Func Hyd
| 16***90 | Conversion Group-Four Func Hydraulic | 1 |
| 17***97 | Valve Group-Control | 1 |
| 17***98 | Valve Group-Control | 1 |
161-8170 Cooler & Mtg Gp-Hydraulic Oil
| 12***16 | Connector | 1 |
| 15***21 | Cooler Group-Hydraulic Oil | 1 |
| 15***24 | Cooler As-Hydraulic | 1 |
202-9713 Cooler & Mtg Gp-Hydraulic Oil
| 12***37 | Clip-Loop | 1 |
| 14***35 | Connect Group; (Each Includes) | 2 |
| 15***65 | Connector As | 1 |
156-7921 Cooler Gp-Hydraulic Oil
| 12***16 | Connector | 1 |
| 15***21 | Cooler Group-Hydraulic Oil | 1 |
| 20***13 | Fan Group-Electric | 1 |
124-1659 Coupling Gp-Pump
| 12***59 | Coupling Group-Pump | 1 |
| 12***60 | Coupling As | 1 |
| 12***61 | Hub | 1 |
156-7883 Cylinder & Lines Gp-Boom
| 15***83 | Cylinder & Lines Group-Boom | 1 |
| 15***13 | Lines Group-Boom Cylinder | 1 |
| 17***32 | Cylinder Group-Boom | 1 |
156-7893 Cylinder & Lines Gp-Stabilizer
| 14***40 | Adapter; (Straight) (-8 Orb X -8 Orfs) | 1 |
| 14***64 | Elbow, 90°,-8 Orb /-8 Orfs | 1 |
| 14***74 | Elbow As | 1 |
156-7884 Cylinder & Lines Gp-Stick
| 15***84 | Cylinder & Lines Group-Stick | 1 |
| 15***14 | Lines Group-Stick Cylinder | 1 |
| 17***20 | Cylinder Group-Stick | 1 |
174-7132 Cylinder Gp-Boom
| 10***29 | Piston | 1 |
| 15***25 | Ring-Backup | 1 |
| 16***16 | Seal As-Buffer | 1 |
178-1731 Cylinder Gp-Grapple
| 11***89 | Valve-Check (Po) | 1 |
| 14***72 | Elbow Group | 1 |
| 14***10 | Plug As; (16.36mm Id) | 1 |
161-8168 Cylinder Gp-Stabilizer
| 16***68 | Cylinder Group-Stabilizer | 1 |
| 16***21 | Kit-Seal; (Rod) | 1 |
| 16***22 | Kit-Piston Seal | 1 |
174-6063 Cylinder Gp-Stabilizer
| 15***25 | Ring-Backup | 1 |
| 16***11 | Seal As-Buffer | 1 |
| 16***24 | Seal-U-Cup | 1 |
174-7120 Cylinder Gp-Stick
| 10***29 | Piston | 1 |
| 15***25 | Ring-Backup | 1 |
| 16***16 | Seal As-Buffer | 1 |
129-7995 Drive Gp-Auxiliary Pump
| 09***91 | Ball Bearing | 1 |
| 12***95 | Drive Group-Pump | 1 |
| 12***97 | Gear | 1 |
161-8143 Drive Gp-Swing
| 09***16 | Ring-Retaining; (External) | 1 |
| 12***76 | Washer; (19x30x8-mm Thk) | 2 |
| 16***43 | Drive Group-Swing | 1 |
156-7915 Drive Gp-Swing
| 15***15 | Drive Group-Swing | 1 |
| 16***43 | Drive Group-Swing | 1 |
| 17***90 | Motor Group-Piston | 1 |
4i-3741 Filter Gp-Oil
| 10***36 | Seal-O-Ring; (49.28mm Id) | 1 |
| 4I***41 | Filter Group-Hydraulic; -Hydraulic | 1 |
| 4I***48 | Filter-Oil; (Standard Efficiency) | 1 |
173-3511 Filter Gp-Oil
| 10***87 | Bolt; (Hex Socket) (M6x1.0x20.0mm) | 2 |
| 12***94 | Plug; (Break Off) | 1 |
| 12***17 | Plug | 3 |
107-6995 Filter Gp-Oil -Hydraulic Return
| 10***95 | Filter Group-Oil; -Hydraulic Return | 1 |
| 11***54 | Cover | 1 |
| 12***03 | Seal-O-Ring (Id=185mm) | 2 |
126-2080 Filter Gp-Oil -Hydraulic
| 09***10 | Seal-O-Ring; (Id=4.80mm) | 6 |
| 09***81 | Seal-O-Ring | 1 |
| 12***80 | Filter Group-Oil; -Hydraulic | 1 |
178-3015 Head Gp-Pump
| 15***76 | Tank & Mtg Group-Hydraulic | 1 |
| 15***77 | Valve & Mtg Group-Main Control | 1 |
| 15***78 | Pump & Mtg Group-Hydraulic | 1 |
156-6222 Hydraulic Ar
| 15***22 | Hydraulic Ar | 1 |
| 20***54 | Swivel Group | 1 |
| 20***47 | Valve & Mtg Group-Bar Saw | 1 |
202-0651 Hydraulic Ar-Bar Saw
| 20***31 | Lines Group-Hydraulic | 1 |
| 20***00 | Valve & Mtg Group-Circular Saw | 1 |
| 20***51 | Hydraulic Ar-Bar Saw | 1 |
202-8684 Hydraulic Ar-Circular Saw
| 20***54 | Swivel Group | 1 |
| 20***84 | Hydraulic Ar-Circular Saw | 1 |
| 20***76 | Valve & Mtg Group-Bar Saw | 1 |
201-7435 Hydraulic Ar-Circular Saw
| 20***35 | Hydraulic Ar-Circular Saw | 2 |
| 20***64 | Lines Group-Heel | 1 |
203-2452 Hydraulic Ar-Heel
| 09***30 | Screw-Machine; (M4x0.07x6-mm) | 2 |
| 11***69 | Lever | 1 |
| 11***70 | Support Assem. | 1 |
159-7744 Lever Gp-Control -Hydraulic Activation Control
| 15***44 | Lever Group-Control; (Hydraulic Controls Lockout) (Hydraulic Activation Control) | 1 |
| 16***78 | Hose As | 2 |
| 16***79 | Hose As | 2 |
156-7885 Lines Gp-Boom
| 15***85 | Lines Group-Boom | 1 |
| 16***78 | Hose As | 2 |
| 16***79 | Hose As | 2 |
156-7913 Lines Gp-Boom Cylinder
| 10***18 | Grommet | 1 |
| 14***82 | Elbow As | 2 |
| 14***93 | Elbow Group | 2 |
202-9777 Lines Gp-Front
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 5 |
| 14***67 | Elbow Group; (Each Includes) | 1 |
| 14***78 | Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs) | 2 |
156-7882 Lines Gp-Front
| 10***18 | Grommet | 1 |
| 13***98 | Clip | 1 |
| 14***82 | Elbow As | 2 |
204-0764 Lines Gp-Heel
| 08***56 | Nut | 80 |
| 10***49 | Plate | 16 |
| 13***04 | Valve Group-Check | 1 |
202-8686 Lines Gp-Heel
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 5 |
| 14***67 | Elbow Group; (Each Includes) | 1 |
| 14***78 | Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs) | 2 |
177-1408 Lines Gp-Hydraulic
| 10***02 | Bolt-Socket Head; (M12x1.75x30-mm) | 4 |
| 12***01 | Flange; (Special) | 1 |
| 12***72 | Plate | 1 |
201-7431 Lines Gp-Hydraulic
| 12***09 | Grommet | 4 |
| 14***27 | Connector Group | 4 |
| 14***47 | Elbow; (-12 Orb/Orfs) | 4 |
156-7890 Lines Gp-Lower Machine Hyd
| 10***58 | Valve Group-Selector; -Hydraulic Activation Control | 1 |
| 11***65 | Bracket | 1 |
| 11***72 | Valve Group-Relief; -Steering, Implement, Pilot | 1 |
156-7880 Lines Gp-Pilot
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 3 |
| 14***52 | Elbow As. | 2 |
| 14***67 | Elbow Group; (Each Includes) | 2 |
156-7888 Lines Gp-Pump
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 2 |
| 14***52 | Elbow As. | 2 |
| 14***67 | Elbow Group; (Each Includes) | 5 |
156-7887 Lines Gp-Return
| 11***41 | Valve As-Check | 2 |
| 11***08 | Cross | 1 |
| 12***37 | Clip-Loop | 1 |
156-7886 Lines Gp-Stick
| 15***86 | Lines Group-Stick | 1 |
| 16***45 | Tube As | 1 |
| 16***46 | Tube As | 1 |
156-7914 Lines Gp-Stick Cylinder
| 10***18 | Grommet | 1 |
| 12***87 | Flange-Split | 4 |
| 14***24 | Connector Group | 1 |
156-7889 Lines Gp-Swing Motor
| 03***38 | Seal-O-Ring | 2 |
| 09***55 | Bolt; (Socket Head) | 4 |
| 09***42 | Ring-Retaining | 1 |
178-3590 Motor Gp-Piston
| 12***59 | Coupling Group-Pump | 1 |
| 16***21 | Pump Group-Piston | 1 |
| 17***90 | Motor Group-Piston | 1 |
175-0470 Motor Gp-Piston -Grapple Rotation
| 09***55 | Bolt; (Socket Head) | 4 |
| 09***42 | Ring-Retaining | 1 |
| 11***95 | Plug As | 2 |
160-7289 Motor Gp-Piston -Swing Motor
| 15***42 | Plug | 5 |
| 15***43 | Plug | 2 |
| 15***44 | Plug | 2 |
156-7878 Pump & Mtg Gp-Hydraulic
| 15***78 | Pump & Mtg Group-Hydraulic | 1 |
| 5M***09 | Seal Transmission Pump To Fuel Pump Housing | 1 |
| 7J***08 | Seal-To Transmission Cooler Ports | 1 |
133-6911 Pump Gp-Gear
| 13***78 | Seal; (112.9mm Od) | 1 |
| 13***11 | Pump Group-Gear | 1 |
| 13***21 | Flange As | 1 |
126-2083 Pump Gp-Gear
| 10***57 | Seal-O-Ring | 1 |
| 12***83 | Pump Group-Gear; (Gear) | 1 |
| 13***99 | Pump Group-Gear | 1 |
133-6896 Pump Gp-Gear
| 11***73 | Seal-O-Ring | 1 |
| 13***96 | Pump Group-Gear | 1 |
| 8T***89 | Bolt (20mm Long) 0 Degrees); (L=20mm) {For 5br, 6cr} | 2 |
133-6899 Pump Gp-Gear
| 12***83 | Pump Group-Gear; (Gear) | 1 |
| 13***96 | Pump Group-Gear | 1 |
| 13***99 | Pump Group-Gear | 1 |
179-3625 Pump Gp-Gear
| 08***48 | Plate | 1 |
| 11***01 | Bolt-Socket Head; (M12x1.75x25-mm) | 4 |
| 17***15 | Head Group-Pump | 1 |
162-0321 Pump Gp-Piston
| 08***80 | Rotating Group-Pump | 1 |
| 08***81 | Rotating Group-Pump | 1 |
| 09***46 | Ring; (Retaining) | 1 |
178-3971 Pump Gp-Piston
| 08***82 | Rotating Group-Pump | 1 |
| 09***64 | Shaft-Pinion | 1 |
| 09***65 | Plate-Valve | 1 |
087-4782 Rotating Gp-Pump
| 08***82 | Rotating Group-Pump | 1 |
| 16***66 | Swivel Group | 1 |
| 16***27 | Plate As | 1 |
087-4781 Rotating Gp-Pump
| 08***81 | Rotating Group-Pump | 1 |
| 08***83 | Cylinder | 1 |
| 09***13 | Piston | 7 |
087-4780 Rotating Gp-Pump
| 08***80 | Rotating Group-Pump | 1 |
| 08***82 | Rotating Group-Pump | 1 |
| 09***52 | Shaft-Drive | 1 |
201-1572 Swivel Gp
| 09***30 | Seal-O-Ring (Id=179.30mm) | 1 |
| 10***95 | Filter Group-Oil; -Hydraulic Return | 1 |
| 12***13 | Support As | 1 |
201-0354 Swivel Gp
| 20***54 | Swivel Group | 1 |
| 20***68 | Plate | 1 |
| 20***69 | Plate | 1 |
156-7892 Swivel Gp
| 14***07 | Plug; (Hex Head) (-6 Orb) (Current) (16***35 Friction Disc Interchangeable With 11***47) (Use All Of One Part Number) | 2 |
| 15***92 | Swivel Group | 1 |
| 20***68 | Plate | 1 |
156-7876 Tank & Mtg Gp-Hydraulic
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 1 |
| 10***04 | Suppressor As-Arc | 2 |
203-4676 Valve & Mtg Gp-Bar Saw
| 14***29 | Connector As | 4 |
| 14***39 | Connector As. | 1 |
| 14***40 | Adapter; (Straight) (-8 Orb X -8 Orfs) | 1 |
201-4147 Valve & Mtg Gp-Bar Saw
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 1 |
| 10***04 | Suppressor As-Arc | 4 |
201-8900 Valve & Mtg Gp-Circular Saw
| 16***81 | Tube As | 1 |
| 16***84 | Tube As | 1 |
| 16***93 | Tube As | 1 |
156-7891 Valve & Mtg Gp-Delimb & Saw
| 14***29 | Connector As | 4 |
| 14***39 | Connector As. | 1 |
| 14***52 | Elbow As. | 4 |
156-7877 Valve & Mtg Gp-Main Control
| 15***77 | Valve & Mtg Group-Main Control | 1 |
| 16***16 | Mount As | 1 |
| 18***91 | Valve Group-Main Control; -3 Bank | 1 |
178-3592 Valve Gp-Control
| 14***11 | Bolt-Socket Head; (M6x1x16-mm) | 4 |
| 17***92 | Valve Group-Control | 1 |
| 17***12 | Spacer; (33mm Lg X 24.3 Dia) | 2 |
168-9033 Valve Gp-Control
| 11***40 | Spring | 2 |
| 11***20 | Solenoid As | 1 |
| 12***74 | Bolt-Socket Head; (M4x0.7x60-mm) | 8 |
183-9194 Valve Gp-Control
| 03***43 | Seal-O-Ring | 1 |
| 10***81 | Bolt-Socket Head; (M8x1.25x20-mm) | 6 |
| 13***80 | Plug | 2 |
183-9193 Valve Gp-Control
| 14***11 | Bolt-Socket Head; (M6x1x16-mm) | 4 |
| 17***12 | Spacer; (33mm Lg X 24.3 Dia) | 2 |
| 17***13 | Spring | 2 |
168-9035 Valve Gp-Control
| 10***81 | Bolt-Socket Head; (M8x1.25x20-mm) | 6 |
| 13***80 | Plug | 2 |
| 14***11 | Bolt-Socket Head; (M6x1x16-mm) | 12 |
168-8632 Valve Gp-Control
| 11***40 | Spring | 2 |
| 11***20 | Solenoid As | 1 |
| 12***74 | Bolt-Socket Head; (M4x0.7x60-mm) | 8 |
192-9197 Valve Gp-Control
| 10***81 | Bolt-Socket Head; (M8x1.25x20-mm) | 6 |
| 13***80 | Plug | 2 |
| 14***11 | Bolt-Socket Head; (M6x1x16-mm) | 12 |
178-3594 Valve Gp-Control
| 10***81 | Bolt-Socket Head; (M8x1.25x20-mm) | 6 |
| 13***80 | Plug | 2 |
| 14***11 | Bolt-Socket Head; (M6x1x16-mm) | 12 |
183-9192 Valve Gp-Main Control -4 Bank
| 13***80 | Plug | 2 |
| 17***02 | Plate | 1 |
| 18***92 | Valve Group-Main Control; -4 Bank | 1 |
172-5280 Valve Gp-Main Control
| 03***43 | Seal-O-Ring | 1 |
| 10***81 | Bolt-Socket Head; (M8x1.25x20-mm) | 6 |
| 13***80 | Plug | 2 |
162-0265 Valve Gp-Main Control -3 Bank
| 13***80 | Plug | 2 |
| 16***65 | Valve Group-Main Control; -3 Bank | 1 |
| 17***92 | Valve Group-Control | 1 |
162-0266 Valve Gp-Main Control -4 Bank
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 6 |
| 12***12 | Housing-Outlet | 1 |
| 16***66 | Valve Group-Main Control; -4 Bank | 1 |
183-9191 Valve Gp-Main Control -3 Bank
| 13***80 | Plug | 2 |
| 17***02 | Plate | 1 |
| 18***91 | Valve Group-Main Control; -3 Bank | 1 |
192-9196 Valve Gp-Main Control -4 Bank
| 08***48 | Bolt-Socket Head; (M8x1.25x30-mm)(M8x1.25x30mm) | 2 |
| 08***03 | Plug | 2 |
| 08***10 | Setscrew; (M10x21-mm) | 2 |
170-0012 Valve Gp-Pilot
| 17***12 | Valve Group-Pilot | 1 |
| 20***15 | Kit-Plunger; (Pilot Valve) | 2 |
| 20***09 | Plate-Retaining | 1 |
205-5519 Valve Gp-Pilot -Joystick
| 08***72 | Plug-O-Ring | 1 |
| 08***74 | Nozzle | 1 |
| 09***42 | Set Screw | 1 |
178-4146 Valve Gp-Pump Control
| 17***46 | Valve Group-Pump Control | 1 |
| 5P***57 | Seal-O-Ring; (18.77mm Id) | 1 |
| 5W***53 | Seal-O-Ring | 1 |
8u-2295 Valve Gp-Relief -Load Sensing-Main
| 13***15 | Manifold | 1 |
| 15***53 | Valve Group-Relief; -Steering, Implement, Pilot | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
8u-2287 Valve Gp-Relief
| 5P***57 | Seal-O-Ring; (18.77mm Id) | 1 |
| 5W***53 | Seal-O-Ring | 1 |
| 5W***13 | Seat-Spring | 2 |
162-6776 Valve Gp-Relief
| 11***54 | Valve | 1 |
| 16***76 | Valve Group-Relief | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 2 |
162-6875 Valve Gp-Relief
| 09***00 | Plug | 2 |
| 09***95 | Seal-O-Ring (Id=27.70mm) | 2 |
| 15***03 | Valve Group-Relief | 2 |
114-4672 Valve Gp-Relief
| 09***86 | Seal - O-Ring (19.80 mm Id) | 1 |
| 09***93 | Seal-O-Ring (Id=24.70mm) | 1 |
| 09***98 | Seal-O-Ring (Id=29.40mm) | 1 |
177-4795 Valve Gp-Relief
| 09***00 | Plug | 2 |
| 09***95 | Seal-O-Ring (Id=27.70mm) | 2 |
| 17***21 | Manifold | 1 |
154-0403 Valve Gp-Relief
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 15***03 | Valve Group-Relief | 1 |
| 2M***80 | Seal--To Connector Pump Outlet | 1 |
156-4253 Valve Gp-Relief
| 15***53 | Valve Group-Relief; -Steering, Implement, Pilot | 1 |
| 16***75 | Valve Group-Relief | 1 |
184-3830 Valve Gp-Relief -Swing Motor
| 10***62 | Cover | 1 |
| 10***63 | Cover | 1 |
| 10***64 | Spring, Adjustment-Tilting | 1 |
107-7058 Valve Gp-Selector -Hydraulic Lockout
| 10***58 | Valve Group-Selector; -Hydraulic Activation Control | 1 |
| 13***45 | Valve Group-Solenoid; (Solenoid) | 1 |
| 13***60 | Valve Group-Solenoid; (Solenoid) | 1 |
156-1113 Valve Gp-Solenoid
| 15***45 | Valve Group-Solenoid; -Cooler Flow-Load Sensing Signal Relief-Swing Parking Brake-Travel Parking Brake-Two Speed Travel-Work Tool | 1 |
| 15***13 | Valve Group-Solenoid | 1 |
| 6T***52 | Manifold-Valve | 1 |
121-1491 Valve Gp-Solenoid
| 09***86 | Seal - O-Ring (19.80 mm Id) | 1 |
| 09***50 | Seal-O-Ring (Id=10.82mm) | 1 |
| 09***51 | Seal-O-Ring (Id=14.00mm) | 1 |
152-8346 Valve Gp-Solenoid
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 11***43 | Locknut; (5/16-18-Thd) | 2 |
| 14***19 | Cartridge As | 1 |
147-1223 Valve Gp-Solenoid
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 11***43 | Locknut; (5/16-18-Thd) | 2 |
| 14***23 | Valve Group-Solenoid; -Neutral Bypass | 1 |
131-5760 Valve Gp-Solenoid
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 11***43 | Locknut; (5/16-18-Thd) | 1 |
| 13***60 | Valve Group-Solenoid; (Solenoid) | 1 |
173-7454 Valve Gp-Solenoid
| 14***23 | Valve Group-Solenoid; -Neutral Bypass | 1 |
| 17***54 | Valve Group-Solenoid | 1 |
| 7T***45 | Manifold-Solenoid Valve | 1 |
177-0230 Valve Gp-Solenoid
| 09***49 | Washer; (22x60x6-mm Thk) | 1 |
| 15***83 | Cylinder & Lines Group-Boom | 1 |
| 15***84 | Cylinder & Lines Group-Stick | 1 |
131-5745 Valve Gp-Solenoid
| 09***86 | Seal - O-Ring (19.80 mm Id) | 1 |
| 09***50 | Seal-O-Ring (Id=10.82mm) | 1 |
| 09***51 | Seal-O-Ring (Id=14.00mm) | 1 |
152-8345 Valve Gp-Solenoid
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***36 | Kit-Seal; (Solenoid Valve) | 1 |
| 11***43 | Locknut; (5/16-18-Thd) | 2 |
173-7455 Valve Gp-Solenoid
| 15***13 | Valve Group-Solenoid | 1 |
| 17***55 | Valve Group-Solenoid | 1 |
| 7T***45 | Manifold-Solenoid Valve | 1 |
Implements
161-8178 Boom Ar
| 09***49 | Washer; (22x60x6-mm Thk) | 3 |
| 15***20 | Boom As | 1 |
| 15***38 | Pin As | 1 |
156-7907 Boom Gp
| 09***49 | Washer; (22x60x6-mm Thk) | 2 |
| 09***65 | Washer | 1 |
| 15***07 | Boom Group | 1 |
159-3495 Stabilizer Gp -Requires 4
| 15***86 | Lines Group-Stick | 1 |
| 15***11 | Stick Group | 1 |
| 15***43 | Heel Group | 1 |
187-9607 Stick Ar
| 09***49 | Washer; (22x60x6-mm Thk) | 1 |
| 09***28 | Washer; (53x84x1-mm Thk) | 1 |
| 15***37 | Stick As | 1 |
156-7911 Stick Gp
| 15***11 | Stick Group | 1 |
| 16***34 | Air Conditioner Group | 1 |
| 16***35 | Lines Group-Air Conditioner | 1 |
Lubrication System
173-3503 Base Gp-Oil Filter -Hydraulic
| 13***26 | Bolt; (Shoulder) (M6x1x28.75mm) | 1 |
| 13***28 | Shim; (0.1-mm Thk) | 1 |
| 13***31 | Packing | 1 |
139-3527 Breather Gp
| 13***27 | Breather Group | 1 |
| 2W***62 | Breather As-Crankcase; (Engine) | 1 |
| 4P***36 | Base | 1 |
136-0805 Breather Gp
| 13***05 | Breather Group | 1 |
| 14***64 | Stud; (M8x1.25x35-mm) | 1 |
| 2W***62 | Breather As-Crankcase; (Engine) | 1 |
162-9780 Filler Gp-Engine Oil
| 11***19 | Tube As | 1 |
| 16***80 | Filler Group-Engine Oil | 1 |
| 1S***57 | Gasket; (Turbocharger-Oil Supply) | 1 |
4p-8183 Filter Gp-Engine Oil
| 1R***07 | Filter As-Engine Oil; (Advanced Efficiency) | 1 |
| 23***54 | Gasket | 1 |
| 24***64 | Spring; (Yoke) | 2 |
4p-1556 Fumes Disposal Gp
| 03***81 | Spacer; (9x16x25-mm Thk) | 1 |
| 4D***88 | Clip-(Slot To Fit Fastener M10 Or 3/8) | 1 |
| 4P***55 | Hose-Disposal; (Fumes Disposal) | 1 |
180-3617 Gauge Gp-Oil Level (Dipstick)
| 18***17 | Gauge Group-Oil Level (Dipstick) | 1 |
| 1S***63 | Plug; (Mounted-Bottom | 3 |
| 6I***82 | Gauge | 1 |
6i-2681 Gauge Gp-Oil Level (Dipstick)
| 1S***63 | Plug; (Mounted-Bottom | 3 |
| 6I***81 | Gauge Group-Oil Level (Dipstick) | 1 |
| 6I***82 | Gauge | 1 |
4w-2914 Lines Gp-Engine Oil
| 3P***56 | Seal-O-Ring; (21.82mm Id) | 2 |
| 4W***32 | Elbow-Outlet | 1 |
| 4W***14 | Lines Group-Engine Oil | 1 |
115-4138 Pump Gp-Engine Oil
| 11***38 | Pump Group-Engine Oil | 1 |
| 20***97 | Pump Group-Engine Oil | 1 |
| 6V***15 | Bolt; (M10x1.5x75-mm) | 2 |
115-4123 Pump Gp-Engine Oil
| 10***05 | Spring | 1 |
| 11***74 | Shaft As | 1 |
| 11***16 | Shaft As-Idler | 1 |
200-4497 Pump Gp-Engine Oil
| 18***77 | Pump Group-Engine Oil | 1 |
| 20***97 | Pump Group-Engine Oil | 1 |
| 7W***37 | Shaft-Oil Pump | 1 |
192-2981 Pump Gp-Engine Oil
| 19***81 | Pump Group-Engine Oil | 1 |
| 20***97 | Pump Group-Engine Oil | 1 |
| 6V***15 | Bolt; (M10x1.5x75-mm) | 2 |
2t-2951 Valve Gp-Fluid Sampling
| 2T***51 | Valve Group-Fluid Sampling; Manual Valve Group (Fluid Sampling) | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 1 |
Machine Arrangement
156-6223 Chassis Ar
| 15***23 | Chassis Ar | 1 |
| 15***97 | Wiring Group-Upper Machine | 1 |
| 15***98 | Hood & Guard Group | 1 |
156-6221 Common Ar
| 15***21 | Common Ar | 1 |
| 15***22 | Hydraulic Ar | 1 |
| 15***23 | Chassis Ar | 1 |
189-8835 Common Ar
| 15***22 | Hydraulic Ar | 1 |
| 15***23 | Chassis Ar | 1 |
| 15***77 | Engine Ar | 1 |
Operator Station
156-7927 Air Conditioner Ar
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 15***27 | Air Conditioner Ar | 1 |
| 17***51 | Blower As | 1 |
161-8434 Air Conditioner Gp
| 16***71 | Cab Group | 1 |
| 16***34 | Air Conditioner Group | 1 |
| 5P***76 | Washer Guard To Support Assembly And Guard Assembly | 8 |
156-7929 Cab & Mounting Gp
| 15***29 | Cab & Mounting Group | 1 |
| 16***53 | Wiper & Washer Group-Window | 1 |
| 16***51 | Insulation Group-Weather | 1 |
169-3921 Cab Gp
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***21 | Cab Group | 1 |
| 18***39 | Pin-Connector; (14-Ga To 18-Ga)(For 14 Gauge Wire) | 2 |
161-8171 Cab Gp
| 12***36 | Handle | 1 |
| 16***71 | Cab Group | 1 |
| 16***98 | Cab As | 1 |
163-7458 Compressor Gp-Refrigerant
| 10***27 | Condenser Group-Refrigerant; -With Fans-Rops Mounted-Remote Mounted | 1 |
| 13***65 | Washer; (13.8x45x3-mm Thk) | 4 |
| 16***17 | Channel | 2 |
106-5122 Compressor Gp-Refrigerant
| 10***22 | Compressor Group-Refrigerant; -Air Conditioner | 2 |
| 2L***43 | Bracket | 2 |
| 7C***41 | Bracket | 1 |
162-1488 Condenser & Mtg Gp-Refrigerant
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 12***90 | Harness As-Heater & Air Cond; (Condenser Blower Motors) | 1 |
103-9527 Condenser Gp-Refrigerant -With Fans
| 10***27 | Condenser Group-Refrigerant; -With Fans-Rops Mounted-Remote Mounted | 1 |
| 11***79 | Console Group-Operator; -Lh | 1 |
| 11***80 | Console Group-Operator; -Rh | 1 |
111-6279 Console Gp-Operator -Lh
| 11***79 | Console Group-Operator; -Lh | 1 |
| 11***12 | Support | 1 |
| 11***14 | Panel | 1 |
111-6280 Console Gp-Operator -Rh
| 08***70 | Sleeve | 8 |
| 11***80 | Console Group-Operator; -Rh | 1 |
| 16***89 | Kit-Boot; (Joystick) | 1 |
111-6278 Console Gp-Operator
| 11***78 | Console Group-Operator | 1 |
| 11***13 | Support | 1 |
| 11***16 | Cover | 1 |
164-9499 Control Gp-Handle
| 11***32 | Pin | 1 |
| 14***73 | Lever -Rh; (Rh) | 1 |
| 14***75 | Boot -Rh; (Rh) | 1 |
193-1052 Control Gp-Joystick
| 09***12 | Clip | 8 |
| 10***31 | Connector-Filter | 1 |
| 13***13 | Band; (Marker) (Gray, P) | 8 |
193-1050 Control Gp-Joystick
| 11***32 | Pin | 1 |
| 14***72 | Lever -Lh; (Lh) | 1 |
| 14***74 | Boot -Lh; (Lh) | 1 |
156-7879 Control Gp-Pilot Operated Hyd -Swing
| 10***31 | Connector-Filter | 1 |
| 13***13 | Band; (Marker) (Gray, P) | 8 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 27 |
169-7513 Cover Gp-Cab
| 14***85 | Nut-Weld; (M10 X 1.5 Thd) | 11 |
| 16***99 | Door As | 1 |
| 16***08 | Latch As-Door | 1 |
173-4091 Door Gp-Cab
| 17***91 | Door Group-Cab | 1 |
| 17***03 | Motor As-Electric | 1 |
| 1M***30 | Nut And Lock Assem.; (No. 10-32) | 2 |
3e-7835 Fan Gp-Defroster -Heavy-Duty
| 11***33 | Converter-Power; (24-Volt To 12-Volt) | 1 |
| 12***08 | Screw-Hex Socket; (M4x0.7x30-mm) | 8 |
| 12***46 | Speaker As-Radio | 2 |
162-6591 Installation Gp-Radio
| 16***91 | Installation Group-Radio | 1 |
| 16***41 | Insulation | 1 |
| 16***43 | Insulation | 1 |
165-5551 Insulation Gp-Weather
| 13***54 | Screw-Truss Head; (M4x0.7x10-mm) | 4 |
| 16***51 | Insulation Group-Weather | 1 |
| 17***49 | Liner As-Cab | 1 |
168-8275 Liner Gp-Cab
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***00 | Fitting As-Air Conditioner; (Quick Disconnect)(Refrigerant) | 2 |
| 10***32 | Receiver-Refrigerant Dryer | 1 |
161-8435 Lines Gp-Air Conditioner
| 11***09 | Knob-Control | 1 |
| 12***95 | Valve As-Water | 1 |
| 13***08 | Film-Identification; (Heater) | 1 |
162-1489 Lines Gp-Cab Heater
| 11***09 | Knob-Control | 1 |
| 12***95 | Valve As-Water | 1 |
| 13***08 | Film-Identification; (Heater) | 1 |
147-7977 Motor Gp-Window Wiper
| 11***78 | Console Group-Operator | 1 |
| 11***81 | Support Group-Seat | 1 |
| 14***77 | Motor Group-Window Wiper; -Front | 1 |
156-7908 Operator Ar-Enclosed Rops
| 10***57 | Voltmeter Group; (24-Volt)(Instrument Panel) | 1 |
| 11***48 | Lamp; (24-Volt, 3-Watt)(Clear)(Fuel Level Gauge) | 1 |
| 12***41 | Service Meter Kit | 1 |
165-2048 Panel Gp-Instrument
| 12***59 | Grommet | 1 |
| 15***03 | Plate As | 1 |
| 16***48 | Panel Group-Instrument | 1 |
156-7934 Platform Gp-Operator
| 15***34 | Platform Group-Operator | 1 |
197-6892 Riser Ar-Cab
| 17***65 | Screen As | 1 |
| 17***66 | Screen As | 1 |
| 19***92 | Riser Ar-Cab | 1 |
168-8290 Screen Gp-Cab
| 16***90 | Screen Group-Cab | 1 |
| 8S***34 | Locknut; (Flange) (7/16-20 Thd) | 1 |
| 8S***24 | Bolt 57.15 mm(2.25 In.) Long | 1 |
122-9625 Seat Belt Gp
| 11***50 | Screw-Flat Head; (M8x1.25x60-mm)(M8x1.25 Thd) | 4 |
| 12***25 | Seat Belt Group; -Retractable, 3-In | 1 |
| 13***24 | Kit-Handle Adjuster; (Seat) | 1 |
111-6433 Seat Gp
| 11***33 | Seat Group | 1 |
| 12***25 | Seat Belt Group; -Retractable, 3-In | 1 |
| 12***92 | Seat Group-Suspension; (Suspension) | 1 |
177-7570 Seat Gp
| 09***27 | Lockwasher-Tooth; (0.6mm Thk) | 2 |
| 11***33 | Seat Group | 1 |
| 12***26 | Suspension Group-Seat | 1 |
177-7568 Seat Gp
| 11***33 | Seat Group | 1 |
| 17***68 | Seat Group | 1 |
126-3893 Seat Gp
| 12***25 | Seat Belt Group; -Retractable, 3-In | 1 |
| 12***93 | Seat Group | 1 |
| 17***69 | Seat Group-Suspension | 1 |
177-7569 Seat Gp-Suspension
| 13***14 | Support As; (Seat) | 1 |
| 17***69 | Seat Group-Suspension | 1 |
| 8T***21 | Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm) | 4 |
126-3892 Seat Gp-Suspension
| 09***27 | Lockwasher-Tooth; (0.6mm Thk) | 2 |
| 12***92 | Seat Group-Suspension; (Suspension) | 1 |
| 17***70 | Seat Group | 1 |
111-6281 Support Gp-Seat
| 11***66 | Kit-Stop; (Seat) | 1 |
| 11***81 | Support Group-Seat | 1 |
| 12***04 | Plate | 2 |
177-7571 Suspension Gp-Seat
| 17***71 | Suspension Group-Seat | 1 |
| 3W***98 | Cap; (Window Washer Tank Fill) | 1 |
| 3W***99 | Packing | 1 |
124-3926 Suspension Gp-Seat
| 12***26 | Suspension Group-Seat | 2 |
4i-0559 Tank As-Window Washer
| 3L***87 | Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk) | 2 |
| 4B***43 | Nut,Plain,Hexagon Plate Mtg | 2 |
| 4B***24 | Washer; (3.9x9.6x1.2-mm Thk) | 2 |
105-1457 Voltmeter Gp
| 10***57 | Voltmeter Group; (24-Volt)(Instrument Panel) | 1 |
| 11***56 | Seal | 1 |
| 11***57 | Seal | 1 |
163-7465 Window Gp-Cab
| 10***42 | Wiper Pivot Group; (Front Window) | 1 |
| 12***05 | Arm-Window Wiper; (Front Window, Upper) | 1 |
| 14***95 | Hose; (650-cm Each) | 0 |
164-0053 Wiper & Washer Gp-Window
| 16***53 | Wiper & Washer Group-Window | 1 |
| 20***23 | Cap; (Wiper) | 1 |
| 3F***56 | Lockwasher; (8.43x15.5x0.76mm Thk) | 1 |
101-0742 Wiper Pivot Gp
| 10***42 | Wiper Pivot Group; (Front Window) | 1 |
| 7X***84 | Bolt; (7/8-9x3-In) | 6 |
| 7X***49 | Nut-Full (7/8 X 9 Thd) | 6 |
Service Equipment And Supplies
163-1408 Film Gp
| 13***21 | Film-Instruction; (Fuel Filter Maintenance) | 1 |
| 13***13 | Tag-Antifreeze; (Extended Life Coolant) | 1 |
| 14***88 | Film-Instrument; (Implement Lockout) | 1 |
164-1924 Plate & Film Gp
| 16***24 | Plate & Film Group | 1 |
Work Tools
175-4261 Delimber Ar
| 09***07 | Bolt; (M16x2x120-mm) | 2 |
| 11***03 | Bolt-Socket Head; (M16x2x40-mm) | 2 |
| 16***05 | Grapple Group | 1 |
164-1015 Delimber Ar
| 16***15 | Delimber Ar | 1 |
| 17***62 | Delimber Ar | 1 |
| 17***08 | Lines Group-Hydraulic | 1 |
162-8405 Grapple Gp
| 15***91 | Plate As | 1 |
| 16***05 | Grapple Group | 1 |
| 6V***88 | Nut-Self Locking; (M20x2.50 Thd) | 22 |
156-7912 Grapple Gp
| 09***03 | Bolt-Socket Head; (M16x2x75-mm) | 8 |
| 10***62 | Bolt-Socket Head; (M16x2x180-mm)(M16x2x180mm) | 4 |
| 15***94 | Adapter As | 2 |
159-3443 Heel Gp
| 15***43 | Heel Group | 1 |
| 16***71 | Film-Caterpillar | 1 |
| 16***84 | Film-Stripe | 1 |
539 serial number reference
The PIN plate on a 539 is a riveted metal tag on the machine mainframe, typically near the base of the boom pedestal or frame rail close to the engine compartment; some units also carry the number stamped directly into the frame as a backup if the plate is lost. Read the PIN as a 3-character prefix followed by a sequence number -- the prefix identifies the specific model/engine build series, and the sequence number is that unit's production count within the series. The prefix alone does not give a calendar year; matching it to a build date needs the Cat dealer network or SIS lookup.
| Prefix | Identifies | Notes |
|---|---|---|
| 1PZ | 539 Knuckleboom Loader, Cat 3126 DITA engine | Only PIN prefix found tied to the 539 chassis. Runs 1PZ00001-UP with no further prefix break turning up in parts fitment listings, so the model appears to have shipped under one continuous serial series rather than multiple generations. Fitment data pairs this prefix with the 3126 DITA (direct-injection turbocharged aftercooled) engine; no other engine option is documented for this model. Exact production year span and assembly plant are not documented in public sources for this range -- confirm with a dealer using the full PIN for a build-date lookup. |
Frequently asked questions
What engine does the Caterpillar 539 use?
The 539 uses the Cat 3126 DITA, a turbocharged, aftercooled, direct-injection HEUI diesel of about 7.2 L displacement across six cylinders. It is rated near 180 hp gross, about 168 hp at the flywheel. No second engine option is documented for this model.
What is the operating weight of the Caterpillar 539?
Operating weight runs close to 17,827 kg (39,219 lb). Actual weight shifts with the boom reach and grapple or attachment fitted, so treat this as a representative figure rather than one fixed number across every configuration.
What replaced the Caterpillar 539?
Caterpillar's own records do not document a direct, named successor to the 539's chassis and pedestal platform. The company's later trailer-mount knuckleboom loaders (519, 529, 559 and its B/C/D updates, 569, 579) run a different Cat C6.6 engine platform and form a separate, newer product line rather than a confirmed one-for-one replacement.
What 539 owners discuss
How does the Cat 3126 DITA hold up in the 539, and what's the top complaint?
The 539 runs the same 3126 DITA found across a wide range of Cat truck and industrial applications, so its common complaints carry over. Extended or hard cranking is the number one gripe, especially after HEUI pump service or after the machine sits idle for a while — the ECM needs injection actuation oil pressure above a set minimum before it will fire, so a weak HEUI pump, a restricted suction screen, or low oil level all show up as a no-start before anything else does. When a HEUI pump fails internally it's known to push metal debris downstream into the injectors, so treat a pump replacement as a full fuel/oil system flush job, not a straight swap. Keep oil changes and fuel filtration current and the base engine architecture is generally considered solid.
What wears out on this engine at higher hours?
Turbo seal wear is the most cited high-hour failure across the 3126 family — oil shows up on the compressor or turbine housing, exhaust smoke increases, and boost response softens well before the shaft actually lets go. Leaking cam-follower covers and valve lash creep are common enough to be treated as routine top-end maintenance rather than a defect. Because the 539 spends much of its duty cycle at part load or idle feeding the hydraulic pumps rather than under steady road load, injector coking and bore glazing from sustained light-load running are also worth watching for — this engine holds up better under real work than idling all day.
The upper structure feels loose or knocks when the boom swings — what's the likely cause?
On any trailer-mounted knuckleboom, the slew/swing bearing carrying the whole upper structure is the first thing to suspect for looseness or a knock in rotation, especially with the boom loaded and at full reach. Grinding, popping, or visible wobble at the turntable usually means the bearing raceway has worn enough to open up clearance, and by the time it's audible the ring gear and mounting bolts are often stressed too. Metal flake purging out with the grease at the bearing seals is an earlier warning than the play itself. A worn swing bearing can fail under load while the boom carries weight over the cab and ground crew — don't keep running a machine on a suspect bearing; have your dealer verify bearing clearance and mounting bolt torque before it goes back to work.
What are the normal wear points on the boom, and how often should they be greased?
Wear pads inside the nesting boom sections, plus the pins and bushings at the boom foot, stick, and grapple/heel pivots, take the brunt of the punishment on any log-handling boom. Repeated cycling, shock loading from grabbing logs, and constant dirt and bark debris wear these faster than a typical excavator duty cycle sees. Daily, or roughly every 10 hours, greasing at every fitting is the standard rule for this class of machine, with attention to the pads at the midpoint of each boom section and at full-pin extension. Skipped grease intervals are the single biggest driver of early pin and bushing play and premature wear pad replacement on machines like this.
What hydraulic problems show up on the outriggers/stabilizers over time?
Outrigger and stabilizer cylinders set and retract constantly on uneven ground, so seal wear, rod scoring from dirt and bark, and drift — the pad slowly settling under load — are the recurring complaints across this class of trailer-mount loader. Holding/counterbalance valves on the outrigger circuit are what keep the machine from settling once set; a soft or drifting outrigger under load usually points to a valve or seal problem rather than the cylinder body itself. The whole machine's stability while swinging a loaded boom at full reach depends on the outriggers holding — don't work a unit with a known drifting outrigger; have your dealer verify the holding valves and cylinder seals before returning it to service.
What electrical or sensor issues come up most on this engine/machine combination?
Coolant temperature sensor faults are the most reported ECM nuisance on the 3126 — corrosion or a loose connector near the thermostat housing causes erratic gauge readings or a code that won't clear, and in some cases triggers hard starting or a protection-mode power cut if the ECM sees a reading far enough out of range. A sensor stuck at a fixed or badly-off value is the trickier failure, since the ECM doesn't always flag it as bad and the symptom just looks like unrelated rough running or hard starting. On a trailer-mounted unit that lives outdoors in the woods, check for corrosion at the engine harness connectors and at the boost and oil pressure sensors before chasing anything more involved.
What should I check before buying a used 539?
Start with maintenance records and cross-check the hour meter against physical wear — boom wear pad condition and pin/bushing play should roughly match the hours claimed. Rotate the boom through full range both loaded and unloaded, listening for knock or wobble at the swing bearing, and check for grease purging with metal flake at the bearing seals. Set the outriggers on level ground, load the boom, and watch for drift or settling over several minutes, which points to worn holding valves or cylinder seals. On the engine, note cranking time on a cold start (long cranking suggests HEUI pump wear), look for oil weeping at the turbo, and check hydraulic filters and any case-drain sample for metal contamination flagging pump wear. Given the machine's age and low production numbers, budget for a full pre-purchase inspection by a shop familiar with both log loaders and the 3126 HEUI engine rather than relying on a visual walk-around alone.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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