Caterpillar 325B
Caterpillarexcavator

Caterpillar 325B

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 325B is a mid-size crawler hydraulic excavator built through the second half of the 1990s into the early 2000s. It runs a Cat 3116TA diesel, a turbocharged and aftercooled inline-six displacing 6.6 liters (403 cu in), rated at roughly 125 kW (168 hp) net at 2000 rpm. Standard operating weight runs about 25.5-26 tonnes (56,000-57,100 lb); the long-undercarriage 325B L climbs to roughly 27.5 tonnes (60,600 lb) and the narrow-gauge 325B LN sits near 26.5 tonnes, so exact weight varies by configuration. The 325B succeeded Caterpillar's original 325/325 L/325 LN series and was itself replaced by the 325C. Beyond the standard excavator front, Caterpillar also offered factory Log Loader and road-building fronts on the same base machine.

Across its production run the 325B carried Caterpillar's B-series platform update forward from the earlier 325, sharing swing-frame and undercarriage architecture with siblings like the 320B and 322B while keeping the same 3116TA powertrain from launch to end of production. Caterpillar closed out the generation by moving to the 3126B engine and updated electronics in the following 325C. In the used and parts market, the 325B still matters because the 3116 diesel was fitted across trucks, generators, and marine applications as well as excavators, so engine parts stay in wide circulation. Its mechanical fuel system and conventional hydraulics make it a straightforward rebuild candidate, and well-maintained units still see steady demand for general excavation, demolition, and forestry work.

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 325B specifications

Engine

Engine modelCat 3116TA, 6-cylinder, turbocharged and air-to-air aftercooled diesel
Gross power132 kW (177 hp) @ 2000 rpm
Net power125.3 kW (168 hp) @ 2000 rpm
Displacement6.6 L (403 cu in)
Bore x stroke105-107 mm x 127 mm (4.1-4.2 in x 5.0 in) (sources vary slightly on bore, 105 vs 107 mm)
Emissions tierNot documented for this production run (1996-2007, predates modern Tier 4 requirements) - verify with your dealer for the specific serial range

Weights

Operating weight, standard (325B)25,900 kg (57,100 lb)
Operating weight, long-undercarriage variant (325B L)27,488 kg (60,600 lb) - longer track-on-ground and wider track gauge than the standard machine
Ground pressureNot found in available spec sources for this model - verify with your dealer
Transport weightNot documented separately from operating weight in available sources

Dimensions

Transport length10.29-10.30 m (33 ft 9 in)
Transport width (over tracks), standard2.99-3.02 m (9 ft 10 in)
Transport width (over tracks), 325B L3.39 m (11 ft 2 in)
Transport height (to cab top)3.27-3.29 m (10 ft 9 in)
Tail swing radius3.05 m (10 ft)
Track shoe width800 mm (31.5 in) triple grouser shown in most listings; 600 mm and 700 mm shoes also offered for this platform
Ground clearance0.51-0.52 m (1 ft 8 in)
Undercarriage (track-on-ground) length, 325B L3.80 m (12 ft 6 in)

Performance

Max dig depth, standard boom/stick7.09-7.10 m (23 ft 3 in), boom 6.15 m / stick 3.20 m configuration
Max dig depth, short stickApprox. 6.0-7.1 m depending on stick length; shorter 2.70 m stick gives less depth than the 3.20 m stick
Max reach at ground level10.52-10.55 m (34 ft 6 in to 34 ft 8 in)
Max dump/loading height7.10-7.13 m (23 ft 4 in)
Max cutting height9.96-9.97 m (32 ft 8 in)
Swing speedNot documented in available spec sources for this model
Travel speed, max5.0 km/h (3.1 mph)
GradeabilityNot documented in available spec sources for this model
Drawbar pullApprox. 215 kN (48,300-48,350 lb)
Swing torqueApprox. 76,000 N·m (56,000-56,080 lb-ft)

Forces

Bucket digging forceNot documented across verified sources for this model. An unverified figure near 115 kN (about 25,850 lbf) appears in some references; confirm with your dealer or the OEM spec sheet before relying on it.
Stick/arm digging forceNot documented in available spec sources for this model. Cat offered two booms and three stick lengths for the 325B, so arm force varies by stick configuration - verify with your dealer.

Service capacities (summary)

Fuel tank420 L (111 gal)
Hydraulic system (tank + circuit)310 L (81.9 gal)
Engine oil20 L (5.3 gal)
Cooling system31.5-31.8 L (8.3-8.4 gal)
Swing driveApprox. 10 L (2.6-2.7 gal)

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

325B fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)20 L (5.3 US gal)Cat DEO (Diesel Engine Oil), mechanical 3116/3116TA engine, pre-dates DEO-ULS low-sulfur/aftertreatment formulations. SAE 15W-40 for general and warm-climate use (roughly -9.5C to 50C / 15F to 122F). SAE 10W-30 for wider cold-weather range (roughly -18C to 40C / 0F to 104F). Select grade by expected ambient range at the oil change, not just current season.
Cooling system31.4-31.8 L (8.3-8.4 US gal)Cat ELC (Extended Life Coolant) premixed 50/50 water-glycol, or Cat DEAC (Diesel Engine Antifreeze/Coolant) with Cat SCA on standard-interval fill. ELC extends the interval between coolant changes versus conventional DEAC. Use a 1:1 water-to-concentrate mix unless a premix is used.
Fuel tank420 L (111 US gal)No. 2-D diesel fuel (or No. 1-D in cold climates for easier starting/lower cloud point); use ultra-low-sulfur diesel where required by the engine's emissions certification.
Hydraulic system, total (incl. tank)310 L (81.9-82 US gal)Cat HYDO Advanced 10, 20, or 30 (viscosity chosen by ambient temperature), or Cat BIO HYDO Advanced where a biodegradable fluid is required. If Cat HYDO is unavailable, Cat TDTO or Cat MTO are acceptable provided the oil meets Cat's minimum anti-wear (zinc) requirement for hydraulic pumps. Keep cross-contamination with the prior fluid below 10% on a changeover.
Hydraulic tank (reservoir only)Not published as a separate figure; the 310 L (82 US gal) system capacity above includes the tankSame fluid as hydraulic system total above (Cat HYDO Advanced / Cat BIO HYDO Advanced).
Final drive, each8 L (2.1 US gal)Cat TDTO (Transmission/Drive Train Oil) meeting Cat TO-4 spec. SAE 30 for moderate climates (summer highs not above roughly 27C/80F), SAE 50 for hot climates. Cat TDTO-TMS synthetic multigrade covers a wide ambient band (about -20C to 40C / -4F to 104F) without seasonal changeover.
Swing drive9.8-10.2 L (2.6-2.7 US gal)Cat TDTO meeting Cat TO-4 spec, same grade selection as final drive (SAE 30 / SAE 50, or Cat TDTO-TMS synthetic for wide ambient range).
Grease (spec only)Per grease fitting; no bulk system capacityCat Multipurpose Grease (lithium complex, NLGI 2) for general pin and bushing points, rated roughly -30C to 40C (-22F to 104F). Cat Extreme Application grease for high-load, high-heat joints such as bucket linkage where duty cycle is severe.

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

Caterpillar 325B maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil level and coolant level before starting; look for leaks around the engine, hydraulic pump, and hose runs.
  • Drain water and sediment from the fuel water separator and check the fuel level.
  • Walk around the machine; check tracks, guards, and glass for damage, and test the backup alarm and gauges.
  • Grease the bucket, stick, and boom linkage pins; check hydraulic oil level with the boom cylinders retracted.
  • Check track sag and inspect track shoes, rollers, and idlers for wear or looseness (weekly).
  • Check battery terminals and electrolyte level, and check the air filter service indicator.
Every 250 h
  • Change engine oil and replace the oil filter on the 3116TA diesel.
  • Inspect and clean the primary air filter element; replace it if the restriction indicator shows red.
  • Check swing drive oil level and top off if low.
  • Inspect fan belt and alternator belt tension, and check for cracking or glazing.
  • Grease the swing bearing and all upper-structure pivot points.
  • Check final drive oil level in both travel motors.
Every 500 h
  • Replace the primary and secondary fuel filters.
  • Replace the hydraulic oil filter element (return and pilot filters).
  • Take engine oil, hydraulic oil, and coolant samples for scheduled fluid analysis.
  • Check the turbocharger for shaft play, oil leakage, and boost hose condition.
  • Inspect and adjust track tension, and check sprocket and idler wear.
Every 1,000 h
  • Change swing drive gear oil.
  • Change final drive oil in both travel gearboxes.
  • Replace the hydraulic tank breather and inspect the case drain filter.
  • Check and torque track shoe bolts and swing bearing bolts.
  • Inspect batteries, starter, and alternator, and clean and re-tighten wiring connections.
Every 2,000 h
  • Change hydraulic tank oil and clean the suction strainer.
  • Check and adjust engine valve lash on the 3116TA cylinder head.
  • Inspect and service the air conditioning system; renew the receiver-drier if the system has been opened.
  • Sample coolant and, if due, replace it; check corrosion inhibitor level.
  • Inspect the turbocharger cartridge and wastegate for wear.
Every 4,000 h
  • Inspect cylinder head, valve seats, and unit injectors for wear; plan a top-end rebuild if compression or blow-by readings fall out of range.
  • Inspect the main hydraulic pump and swing motor for internal wear if oil-sample or performance trends flag them.
  • Check boom, stick, and bucket pin and bushing wear, and replace where clearance exceeds factory limits.
  • Inspect track chain, rollers, and idlers for replacement; measure link and bushing wear.
Every 6,000 h
  • Flush and refill the cooling system, and renew corrosion inhibitor or coolant charge.
  • Rebuild or replace the travel motors and final drive gearboxes on high-hour machines.
  • Rebuild the main control valve and cylinder seals as leakage and response lag develop.
  • Plan a full undercarriage replacement (chains, rollers, idlers, sprockets) at this general wear point on tracked machines.

Servicing the 325B beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled oil sampling on the 3116TA engine, hydraulic tank, and both swing and final drive gearcases; track iron and copper trends to catch injector, turbo, and gear wear before failure. Watch fuel dilution in engine oil, a common early flag on mechanical unit-injector diesels like the 3116. Sample hydraulic oil for water and particulate contamination, since pump and valve wear on this class of excavator shows up as gradual response lag long before a hard failure. Log coolant condition to catch cavitation corrosion in the wet-liner block early.

Corrective & Common Repairs

Hard starting and rough idle on the 3116TA usually trace to worn injectors or a weak lift pump, not the turbo. Check for hydraulic pump and main control valve seal leakage as hours climb; it is the most common source of lost cycle time on aging 325B units. Swing bearing wear shows up as play at the house-to-undercarriage joint. Inspect travel motor cross-leakage if the machine pulls to one side on flat ground, and check track link and bushing wear on high-hour tracked units.

Overhaul & Rebuild Points

Plan a top-end rebuild on the 3116TA (injectors, turbocharger, valve work) once compression or blow-by readings drift, typically well into the second half of service life. Hydraulic pump and swing motor rebuilds follow oil-sample trends rather than a fixed hour count. Final drive travel motors and the swing drive gearbox are the next major driveline rebuild items. Undercarriage wear (chains, rollers, idlers, sprockets) is usually the largest single rebuild cost on a 325B bought for continued production work.

Seasonal & Environmental Servicing

The 325B's standard intake air heater helps cold starts on the 3116TA; check its element and wiring before winter. Switch to a lower-viscosity engine and hydraulic oil grade for cold climates, and verify coolant freeze protection each season. In wet or muddy conditions, drain the fuel water separator more often and inspect track tension more frequently, since mud packing accelerates undercarriage wear. In hot, dusty environments, clean the radiator and hydraulic oil cooler cores often to prevent overheating derates.

325B fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
164-2Injection actuation pressure signal erratic, intermittent, or incorrectCorroded or loose injection actuation pressure sensor connector, chafed sensor wiring, or genuinely unstable HEUI rail pressure from the actuation pressure control valveInspect and clean the sensor connector and harness, compare desired vs actual actuation pressure on the service tool, then test or replace the control valve before the sensor
164-11Injection actuation pressure system fault; actual pump pressure will not match commanded pressureWorn or sticking injection actuation pressure control valve, low or contaminated engine oil supplying the HEUI pump, or air trapped in the actuation oil circuitCheck engine oil level and condition first since the HEUI pump draws actuation oil from the sump, then test the control valve response on the service tool before replacing the HEUI pump
1-5Number 1 cylinder injector solenoid circuit openBroken or disconnected injector harness wiring at the valve cover, or a failed injector solenoid coilCheck injector harness continuity and connector pins at the valve cover and engine ECM, repair the harness or replace the injector as needed
100-1Engine oil pressure below the normal operating range for current engine speedLow oil level, worn oil pump, plugged suction screen, or a failing pressure sensor reporting falsely lowShut the engine down, check oil level and condition, and verify actual pressure with a mechanical gauge before returning the machine to service
110-0Engine coolant temperature above the normal operating rangeLow coolant level, plugged radiator core, failed thermostat, or a slipping or damaged fan driveReduce load and let the engine idle down, check coolant level and radiator fins, and confirm fan operation before resuming full load work
168-2Electrical system (battery) voltage erratic, intermittent, or incorrectLoose or corroded battery terminals, worn alternator brushes, or a chafed main harness groundCheck battery terminal and ground connections, test charging system output, and repair the harness as needed
91-8Throttle/engine speed control signal abnormal frequency or pulse widthFaulty throttle position sensor, binding electronic throttle motor linkage, or a wiring fault at the throttle actuatorCheck the throttle motor linkage for binding and verify sensor signal on the service tool before replacing the throttle motor assembly
Flash Code 55No faults detected since the ignition key switch was last turned on; not an actual faultNormal condition, or an intermittent fault that is not currently activeNo repair needed for this code alone; if a symptom persists, connect the electronic service tool to check logged (inactive) codes, which the flash-lamp sequence cannot show

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

325B attachments & work tools

Buckets

GD, HD, and rock/HDR buckets are offered across roughly 1.07-1.91 m³ (1.4-2.5 cu yd), with about 1.15 m³ (1.5 cu yd) as the common reference size for general excavation. Typical widths for this weight class run about 600-1,500 mm (24-60 in) depending on duty class. Standard mount is pin-on; the 325B was also built with pin-grabber quick-coupler linkage, so coupler-mount buckets fit as well.

Hydraulic hammers

Cat's H120-class medium hammer (roughly 1,300 kg service weight, about 4,067 J / 3,000 ft-lbf impact energy) is rated for carriers in the 17,000-26,000 kg bracket, which covers the 325B's 25.5-25.9 t operating weight near the top end of that range. Verify the exact hammer size against the current dealer carrier-weight chart, since some charts frame that bracket closer to the 320-323 class and would push a slightly heavier hammer class onto the 325B.

Quick couplers

The 325B was built with either B-linkage (80 mm pin) or C/CB-linkage (90 mm pin) pin-grabber couplers depending on machine configuration and boom/stick arrangement; both pin sizes show up on cross-reference charts for this model. Coupler center-to-center pin spread varies by linkage and brand, roughly 350-530 mm, so match the coupler to the machine's actual linkage rather than assuming one pin size.

Thumbs/grapples

Pin-on hydraulic thumb kits sized for an 80 mm main pin are cataloged across the 318-325 Cat family and mount on the same pivot as the bucket or coupler. Demolition and rotating grapples for this size class use a 90 mm pin, matching the C/CB-linkage coupler option.

Rippers

A stick-mounted single-shank ripper is available for this weight bracket; aftermarket shank ratings covering roughly 22,700-37,000 kg (50,000-82,000 lb) carriers span the 325B's operating weight. Cat's own ripper line was built mainly for track-type tractors, so a ripper on the 325B is an aftermarket stick-mounted attachment rather than a factory Cat work tool.

Hydraulic kit notes

Main implement pump delivers up to about 214 L/min (56.5 gpm) combined flow at roughly 343 bar (34,300 kPa / 4,980 psi) relief, enough for a single-circuit hammer, thumb, or grapple line. Factory/dealer-installed hammer-and-thumb auxiliary piping was offered as an option on the 325B. Continuous-rotation tools such as rotating grapples or mulchers need a dedicated high-flow circuit, which is not part of the base machine's standard hydraulics.

All 325B assemblies by section

Every catalogued assembly group for the Caterpillar 325B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
1342357 Aftercooler Gp-Treated Water
13***57Aftercooler Group-Treated Water; (Treated Water)1
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1099313 Mounting Gp-Air Cleaner
1460512 Cleaner Ar
14***12Air Cleaner Ar1
14***13Hood Group-Engine1
15***93Lines Group-Air1
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1540790 Air Cleaner Gp
1241711 Air Cleaner Gp
1099312 Lines Gp-Air
1540793 Lines Gp-Air
1335048 Lines Gp-Air
1189786 Lines Gp-Drain
7c2472 Manifold Gp-Exhaust
4w3480 Manifold Gp-Inlet
4W***80Manifold Group-Inlet; Inlet Manifold Group1
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7y1534 Muffler Gp
1154068 Turbocharger Gp
1155853 Turbocharger Gp
Basic Engine
1085759 Camshaft Gp
4w3462 Carrier Gp-Seal
4W***62Carrier Group-Seal; Carrier Group (Seal)1
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1342355 Cover Gp-Cylinder Block
13***55Cover Group-Cylinder Block; (Cylinder Block)1
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7l0004 Cover Gp-Front Housing
7L***04Cover Group-Front; (Front Housing)1
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9y7620 Cover Gp-Valve Mechanism
4w2197 Crankshaft Gp
4W***97Crankshaft Group; Crankshaft Group1
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7e2482 Cylinder Block Gp
7E***82Cylinder Block Group; Cylinder Block Group1
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1004948 Cylinder Block Gp
1077720 Cylinder Head As
4p8263 Cylinder Head Gp
4p8264 Cylinder Head Gp
6i0772 Damper & Pulley Gp
1368877 Drain Gp-Oil Pan
7c0044 Drive Gp-Fan
7C***44Drive Group-Fan; Fan Drive Group1
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4w5428 Drive Gp-Water Pump
4W***28Drive Group-Water Pump; Water Pump Drive Group1
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9y6092 Flywheel Gp
1014540 Gear Gp-Front
7w8813 Housing Gp-Flywheel
1014539 Housing Gp-Front
4w2515 Lifting Gp-Engine
1099279 Mounting Gp-Engine
1342354 Pan Gp-Oil
1077639 Piston & Rod Gp
10***39Piston & Rod Group; Connecting Rod And Piston Group1
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1010427 Pulley Gp-Fan & Alt Drive
10***27Pulley Group; (Fan & Alt Drive)1
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4w5429 Pulley Gp-Crankshaft
4W***29Pulley Group-Crankshaft; Crankshaft Pulley Group1
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1241715 Pulley Gp-Fan & Alt Drive
12***15Pulley Group-Fan & Alt Drive; (Fan & Alt Drive)1
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1077722 Rocker Arm Gp
1154203 Seal Gp-Crankshaft
2w9607 Mechanism Gp-Fuel Pump & Valve
2W***07Valve Mechanism Group; Fuel Pump And Valve Mechanism Group1
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Cooling System
1156951 Cooler Gp-Engine Oil
1205028 Cooling Ar
12***28Cooling Ar1
12***34Hood Group-Perforated; (Perforated)1
12***15Pulley Group-Fan & Alt Drive; (Fan & Alt Drive)1
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4i7581 Fan Gp-Suction
1189916 Fan Gp-Suction
6i3186 Lines Gp-Water
4w7589 Pump Gp-Water
7c4508 Pump Gp-Water
1099277 Radiator & Hyd Oil Cooler Gp
10***77Radiator & Hydraulic Oil Cooler Group1
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1241603 Radiator & Hyd Oil Cooler Gp
12***03Radiator & Hydraulic Oil Cooler Group1
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Electrical And Starting System
3e7738 Alarm As-Backup
1114696 Alarm Gp-Travel
1240643 Alternator Gp-Charging
12***43Alternator Group-Charging; (Charging)1
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9w3043 Alternator Gp-Charging
9W***43Alternator Group-Charging; (24-Volt, 52-Ampere)1
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1060047 Battery & Wiring Gp-Part 1 Of 2
1060047 Battery & Wiring Gp-Part 2 Of 2
1114690 Battery & Wiring Gp-Cold Weath
1211046 Cable As
1254727 Cable As
1254767 Cable As
1160080 Cable As
1160242 Cable As
1060113 Control & Mtg Gp-Electronic
10***13Control & Mtg Group-Machine; (Engine, Hydraulic)1
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1176264 Control & Mtg Gp-Windshield
11***64Control & Mtg Group-Power Window1
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1507021 Converter Gp-Electrical
1160136 Converter Gp-Electrical
1532536 Harness As
1160259 Harness As
1506998 Harness As-Part 2 Of 3
1507024 Harness As
1160260 Harness As
1673589 Harness As
1506998 Harness As-Part 1 Of 3
1364056 Harness As-Part 2 Of 3
1364075 Harness As
1673565 Harness As
1114879 Harness As-Part 1 Of 2
1114880 Harness As
1288971 Harness As
1114879 Harness As-Part 2 Of 2
1160073 Harness As
1288970 Harness As
1211048 Harness As
1321869 Harness As-Part 1 Of 2
1385127 Harness As
1211034 Harness As
1160243 Harness As
1532534 Harness As-Part 1 Of 2
1288969 Harness As-Part 1 Of 3
1288969 Harness As-Part 3 Of 3
1364056 Harness As-Part 3 Of 3
1321869 Harness As-Part 2 Of 2
1160258 Harness As
11***58Harness As1
11***59Harness As1
11***60Harness As1
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1507023 Harness As
1211041 Harness As
1114835 Harness As
11***35Harness As; (Stick Floodlight)(Boom Lighting)1
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1210986 Harness As
1673562 Harness As
1507022 Harness As
15***22Harness As1
15***23Harness As1
15***24Harness As1
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1364056 Harness As-Part 1 Of 3
1288969 Harness As-Part 2 Of 3
1211033 Harness As
1506998 Harness As-Part 3 Of 3
1673588 Harness As
1532534 Harness As-Part 2 Of 2
1507000 Harness As-Console-Part 1 Of 2
1506999 Harness As-Console
15***99Harness As-Console1
15***00Harness As-Console; (Console)1
15***01Harness As-Console; (Console)1
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1321894 Harness As-Console
1532491 Harness As-Console
1507000 Harness As-Console-Part 2 Of 2
1507001 Harness As-Console-Part 2 Of 2
1321893 Harness As-Console
1321892 Harness As-Console
13***92Harness As-Console1
13***93Harness As-Console; (Console)1
13***94Harness As-Console; (Console)1
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1288966 Harness As-Console-Part 1 Of 2
1288966 Harness As-Console-Part 2 Of 2
1507001 Harness As-Console-Part 1 Of 2
1506989 Harness As-Wiring
15***89Harness As-Wiring1
15***90Harness As-Wiring; (Wiring)1
15***91Harness As-Wiring; (Wiring)1
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1532556 Harness As-Wiring
1114795 Harness As-Wiring
1114796 Harness As-Wiring
1506994 Harness As-Wiring
1532557 Harness As-Wiring
1506992 Harness As-Wiring
15***92Harness As-Wiring1
15***93Harness As-Wiring; (Wiring)1
15***94Harness As-Wiring; (Wiring)1
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1506993 Harness As-Wiring
1506991 Harness As-Wiring
1532555 Harness As-Wiring
15***55Harness As-Wiring1
15***56Harness As-Wiring; (Wiring)1
15***57Harness As-Wiring; (Wiring)1
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1506990 Harness As-Wiring
1532523 Lamp Gp-Flood
15***23Lamp Group-Flood; -Horizontal Rh1
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1114813 Lamp Gp-Flood
1506978 Lamp Gp-Flood
1532452 Lamp Gp-Flood
5i8250 Lamp Gp-Flood
15***78Lamp Group-Flood1
15***52Lamp Group-Flood1
5I***50Lamp Group-Flood; -Boom1
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5i8251 Lamp Gp-Flood
1532521 Lamp Gp-Flood
15***21Lamp Group-Flood; -Chassis, Boom-Boom, Rear1
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1114688 Lighting Gp-Boom
1114697 Lighting Gp-Boom
1114694 Lighting Gp-Cab
4i5409 Lighting Gp-Chassis
4I***09Lighting Group-Chassis; -Front, Rh1
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1254774 Lighting Gp-Chassis
12***74Lighting Group-Chassis; (Chassis)1
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1060051 Panel Gp-Circuit Breaker-Part 2 Of 2
1060051 Panel Gp-Circuit Breaker-Part 1 Of 2
1185537 Sensor Gp-Engine
7c4028 Solenoid Gp-Shutoff
1507030 Speaker Gp-Radio
1342356 Heater Gp-Air Inlet
13***56Starting Aid Group; -Air Inlet Heater1
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1241623 Starting Aid Gp-Ether-Part 2 Of 2
1241623 Starting Aid Gp-Ether-Part 1 Of 2
1263803 Starting Ar-Cold Weather
11***90Battery & Wiring Group1
12***03Starting Ar-Cold Weather1
12***26Starting Motor Group-Electric; -Cold Weather1
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2071551 Starting Motor Gp-Electric
20***51Starting Motor Group-Electric; -Cold Weather1
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1047040 Starting Motor Gp-Electric
10***40Starting Motor Group-Electric1
10***57Starting Motor Group-Electric; Electric Starting Motor Group (Robert Bosch)1
6V***20Starting Motor Group-Electric; (Electric)1
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1285626 Starting Motor Gp-Electric
12***26Starting Motor Group-Electric; -Cold Weather1
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1068557 Starting Motor Gp-Electric
10***57Starting Motor Group-Electric; Electric Starting Motor Group (Robert Bosch)1
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1083858 Starting Motor Gp-Electric
6v5720 Starting Motor Gp-Electric-Part 1 Of 2
6V***20Starting Motor Group-Electric; (Electric)1
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6v5720 Starting Motor Gp-Electric-Part 2 Of 2
6V***20Starting Motor Group-Electric; (Electric)1
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1114799 Switch As
11***99Switch As; (Hydraulic Lockout, Neutral Start)1
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1160097 Switch As
1160095 Switch As
5c6108 Switch As
5C***08Switch As; (Fuel Tank Shut Off)1
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7n0718 Switch As-Disconnect
7N***18Switch As-Disconnect; -Battery-Ground Level1
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1140421 Switch As-Toggle
11***21Switch As-Toggle; (Counterweight Removal)1
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1107884 Switch As-Toggle
11***84Switch As-Toggle; (Momentary)(Manual Engine Speed Control)1
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7n0719 Switch As-Disconnect
7N***19Switch Group-Disconnect; -Battery1
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1060107 Switch As-Rotary
10***07Switch Group-Rotary; -Autodig Material Select-Throttle Position1
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9g7641 Switch Gp-Start
9G***41Switch Group-Start; -Engine, Key-Vims Service1
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1114870 Timer As
1321827 Wire As
1160205 Wiring Gp
1160159 Wiring Gp
1060054 Wiring Gp-Cab
1364018 Wiring Gp-Console
10***57Wiring Group-Console; (Console)1
13***18Wiring Group-Console1
13***19Wiring Group-Console; (Console)1
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1364019 Wiring Gp-Console
13***19Wiring Group-Console; (Console)1
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1060057 Wiring Gp-Console
10***57Wiring Group-Console; (Console)1
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1364016 Wiring Gp-Fine Swing
1211099 Wiring Gp
1507025 Wiring Gp-Radio
1160094 Wiring Gp-Radio
1160167 Wiring Gp-Refueling Pump
11***67Wiring Group-Refueling Pump; (Refueling Pump)1
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1160083 Wiring Gp-Refueling Pump
11***83Wiring Group-Refueling Pump; (Refueling Pump)1
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1114695 Wiring Gp-Lower Wiper
Engine Arrangement
1313803 Engine Ar-Part 1 Of 3
10***27Pulley Group; (Fan & Alt Drive)1
10***39Housing Group-Front1
10***40Gear Group-Front1
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1313803 Engine Ar-Part 3 Of 3
10***95Control Group-Fuel Injection1
10***32Pump Group-Fuel Injection6
11***90Governor Group-Unit Injector1
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1313803 Engine Ar-Part 2 Of 3
11***68Turbocharger Group1
11***51Cooler Group-Engine Oil1
12***84Filter Group-Engine Oil1
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1318929 Engine Ar
10***58Starting Motor Group-Electric1
11***16Fan Group-Suction; (Suction)1
13***03Engine Ar1
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Frame And Body
1089839 Box & Mtg Gp-Storage
1224022 Box & Mtg Gp-Storage
12***22Box & Mtg Group-Storage; (Storage)1
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1089844 Box & Mounting Gp
1089840 Box Gp-Storage
1540566 Box Gp-Storage
1540654 Box Gp-Storage
1224023 Box Gp-Storage
1224041 Counterweight Gp
1146211 Counterweight Gp
1224040 Counterweight Gp
1146210 Counterweight Gp
1293408 Door Gp-Hood
1293397 Door Gp-Hood
1317463 Door Gp-Hood
1293396 Door Gp-Hood
1224048 Door Gp-Hood
1146300 Fender & Cover Gp
1464966 Fender & Cover Gp
1109886 Frame As-Undercarriage
1109894 Frame As-Undercarriage
1109880 Frame Gp-Upper
1141475 Gear & Bearing Gp
09***20Spacer; (25x44x6-mm Thk)32
11***83Seal (1100 cm) (Order By The Centimeter)0
11***05Gear & Bearing Group1
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1107204 Gear & Bearing Gp-Part 1 Of 2
1107204 Gear & Bearing Gp-Part 2 Of 2
1317639 Guard Ar-Bottom
10***34Hood & Guard Group1
12***29Guard Group-Travel Motor1
13***72Guard Group-Swivel1
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1089832 Guard Gp-Bottom
1089843 Guard Gp-Bottom
1224027 Guard Gp-Bottom
1304272 Guard Gp-Swivel
1175610 Guard Gp-Track Guide
1195471 Guard Gp-Track Guide
1195472 Guard Gp-Track Guide
7y2202 Guard Gp-Track Guide
7Y***02Guard Group-Track Guide; -Center1
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1175611 Guard Gp-Track Guide
1271429 Guard Gp-Track Motor
1109900 Guard Gp-Travel Motor
1089835 Handhold Gp
1372290 Handhold Gp
1223877 Handle Gp-Storage Door
1089834 Hood & Guard Gp-Part 2 Of 3
1224045 Hood & Guard Gp
1089834 Hood & Guard Gp-Part 3 Of 3
1089834 Hood & Guard Gp-Part 1 Of 3
1146133 Hood Gp-Engine
1460513 Hood Gp
1223934 Hood Gp-Perforated
12***34Hood Group-Perforated; (Perforated)1
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1153696 Idler Gp-Front
1156340 Idler Gp-Front
1156339 Idler Gp-Front
1151848 Link As-Track
1151849 Link As-Track
7y0724 Roller Ar-Track & Carrier
7y0362 Roller Ar-Track & Carrier
1175046 Roller Gp-Track Single Flange
6y5323 Roller Gp-Track Carrier
1634147 Roller Gp-Track-Single Flange
16***47Roller Group-Track-Single Flange1
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1309292 Spring Gp-Recoil
1028109 Adjustment Gp-Hydraulic Track
1161257 Track Gp
11***49Link As-Track1
11***57Track Group1
6Y***46Bolt; (Track) (M20x1.75x63mm)192
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1133187 Track Gp
11***87Track Group1
11***49Link As-Track1
6Y***46Bolt; (Track) (M20x1.75x63mm)192
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1133190 Track Gp
11***90Track Group1
11***49Link As-Track1
12***64Shoe; (Track)48
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1245995 Track Gp
1161256 Track Gp
11***48Link As-Track1
11***56Track Group1
6Y***46Bolt; (Track) (M20x1.75x63mm)180
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1133186 Track Gp
11***86Track Group1
11***48Link As-Track1
12***64Shoe; (Track)45
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Fuel System
1291102 Base Gp-Fuel Filter
1051695 Control Gp-Fuel Injection
1327806 Control Gp-Governor
7e8794 Drive Gp-Gov & Transfer Pump-Part 1 Of 2
7E***94Drive Group-Gov & Transfer Pump1
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7e8794 Drive Gp-Gov & Transfer Pump-Part 2 Of 2
7E***94Drive Group-Gov & Transfer Pump1
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7w4812 Fastener Gp-Governor
7W***12Fastener Group-Governor; Fastener Group(Governor) (~1c K5811)1
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1278216 Injector Gp-Fuel
4p5746 Control As-Fuel Ratio
1159441 Governor Gp-Unit Injector
6i4267 Governor Gp-Unit Injector-Part 1 Of 2
6i4267 Governor Gp-Unit Injector-Part 2 Of 2
1136190 Governor Gp
11***90Governor Group-Unit Injector1
11***41Governor Group1
7W***12Fastener Group-Governor; Fastener Group(Governor) (~1c K5811)1
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1146222 Lines Gp-Fuel
1089842 Lines Gp-Fuel
1291671 Lines Gp-Fuel Filter-Part 1 Of 2
12***71Lines Group-Fuel Filter; (Fuel Filter)1
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1291671 Lines Gp-Fuel Filter-Part 2 Of 2
12***71Lines Group-Fuel Filter; (Fuel Filter)1
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4p9693 Lines Gp-Fuel Ratio Control
7w8434 Lines Gp-Governor Oil
7W***34Lines Group-Governor Oil; Governor Oil Lines Group1
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1174159 Pump Ar-Fuel Transfer
10***45Pump Group-Fuel Transfer; (Fuel Transfer)1
11***83Wiring Group-Refueling Pump; (Refueling Pump)1
11***59Pump Ar-Fuel Transfer1
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1161492 Pump Ar-Fuel Transfer
11***67Wiring Group-Refueling Pump; (Refueling Pump)1
11***92Pump Ar-Fuel Transfer1
11***40Pump Group-Fuel Transfer; (Fuel Transfer)1
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1077732 Pump Gp-Fuel Injection
1293230 Pump Gp-Fuel Prm & Prim Filter-Part 2 Of 2
12***30Pump Group-Fuel Priming; (Fuel Prm & Prim Filter)1
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1293230 Pump Gp-Fuel Prm & Prim Filter-Part 1 Of 2
12***30Pump Group-Fuel Priming; (Fuel Prm & Prim Filter)1
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1161640 Pump Gp-Fuel Transfer
11***40Pump Group-Fuel Transfer; (Fuel Transfer)1
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1089845 Pump Gp-Fuel Transfer
10***45Pump Group-Fuel Transfer; (Fuel Transfer)1
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1272308 Separator Gp-Water
1232381 Support Gp-Governor Control
12***81Support Group-Governor Control; (Governor Control)1
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1089837 Tank & Mtg Gp-Fuel
1089846 Tank Ar-Additional
10***46Tank Ar-Additional1
11***14Tank Group-Fuel; (Fuel)1
11***22Lines Group-Fuel; (Fuel)1
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1146214 Tank Gp-Fuel
2043657 Tank Gp-Fuel
Hydraulic System
4i1536 Accumulator Gp
4I***36Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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0874454 Accumulator Gp
08***54Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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0874456 Accumulator Gp
08***56Accumulator Group-Hydraulic; -Charged-Pilot Oil1
4I***36Accumulator Group-Hydraulic; -Charged-Pilot Oil1
5I***16Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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5i8416 Accumulator Gp
5I***16Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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1733503 Block Gp-Hydraulic
17***03Base Group-Oil Filter; -Hydraulic1
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1349304 Block As
1096033 Control Ar-Auxiliary
10***33Control Ar-Auxiliary1
11***28Control Group-Hydraulic Pedal; -Auxiliary1
11***90Lines Group-Pilot1
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1169052 Control Ar-Auxiliary
10***31Control Group-Auxiliary Pedal; -Auxiliary1
11***86Lines Group-Pilot1
11***52Control Ar-Auxiliary1
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1169049 Control Ar-Auxiliary
10***31Control Group-Auxiliary Pedal; -Auxiliary1
11***90Lines Group-Pilot1
11***92Lines Group-Pilot1
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1096030 Control Ar-Auxiliary
10***30Control Ar-Auxiliary1
11***28Control Group-Hydraulic Pedal; -Auxiliary1
11***86Lines Group-Pilot1
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1204961 Control Ar-Flow
11***05Wiring Group1
11***56Lines Group-Pilot1
12***61Control Ar-Flow1
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1178431 Control Ar-Flow
11***05Wiring Group1
11***31Control Ar-Flow1
11***77Lines Group-Pilot1
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1096031 Control Gp-Hydraulic
10***31Control Group-Auxiliary Pedal; -Auxiliary1
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1337899 Control Gp-Pilot Operated Hyd
13***99Control Group-Handle; -Lh Joystick1
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1540569 Control Gp-Pilot Operated Hyd
1337900 Control Gp-Pilot Operated Hyd
13***00Control Group-Handle; -Rh Joystick1
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1352272 Control Gp-Hydraulic
13***72Control Group-Hydraulic Pedal; -Third Pedal1
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1116428 Control Gp-Hydraulic
11***28Control Group-Hydraulic Pedal; -Auxiliary1
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1764985 Valve Gp-Pilot
17***85Control Group-Joystick; -Rh-Boom & Work Tool1
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1764986 Valve Gp-Pilot
17***86Control Group-Joystick; -Lh-Stick & Swing1
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1116284 Control Gp-Pilot Operated Hyd
11***84Control Group-Pilot Operated Hydraulic1
15***68Control Group-Travel1
15***69Control Group-Handle1
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1262064 Head Gp-Pump Control
1540568 Control Gp-Pilot Operated Hyd
1241659 Coupling Gp-Pump
1232011 Cover Gp-Pump Control
1540758 Cylinder & Lines Gp-Boom
11***75Lines Group-Boom Cylinder1
15***58Cylinder & Lines Group-Boom1
15***60Cylinder & Seal Group-Bucket1
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1195296 Cylinder & Lines Gp-Boom
10***40Cylinder & Seal Group-Boom1
11***75Lines Group-Boom Cylinder1
11***96Cylinder & Lines Group-Boom1
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1540759 Cylinder & Lines Gp-Boom
11***74Lines Group-Boom Cylinder1
15***59Cylinder & Lines Group-Boom1
15***60Cylinder & Seal Group-Bucket1
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1077046 Cylinder & Lines Gp-Boom
10***40Cylinder & Seal Group-Boom1
10***46Cylinder & Lines Group-Boom1
11***74Lines Group-Boom Cylinder1
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1336801 Cylinder & Lines Gp-Bucket
11***93Lines Group-Bucket Cylinder; (Bucket Cylinder)1
13***01Cylinder & Lines Group-Bucket; (Bucket)1
13***05Cylinder & Seal Group-Bucket; (Bucket)1
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1540771 Cylinder & Lines Gp-Bucket
12***85Lines Group-Bucket Cylinder; (Bucket Cylinder)1
15***71Cylinder & Lines Group-Bucket; (Bucket)1
15***72Cylinder & Seal Group-Bucket; (Bucket)1
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1232083 Cylinder & Lines Gp-Bucket
12***83Cylinder & Lines Group-Bucket; (Bucket)1
12***84Cylinder & Seal Group-Bucket; (Bucket)1
12***85Lines Group-Bucket Cylinder; (Bucket Cylinder)1
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1232080 Cylinder & Lines Gp-Stick
12***80Cylinder & Lines Group-Stick; (Stick)1
12***81Cylinder & Seal Group-Boom; (Stick)1
12***82Lines Group-Stick Cylinder; (Stick Cylinder)1
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1540764 Cylinder & Lines Gp-Stick
12***82Lines Group-Stick Cylinder; (Stick Cylinder)1
15***64Cylinder & Lines Group-Stick; (Stick)1
15***65Cylinder & Seal Group-Stick; (Stick)1
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1232081 Cylinder & Seal Gp-Stick
12***81Cylinder & Seal Group-Boom; (Stick)1
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1077040 Cylinder & Seal Gp-Boom
1540760 Cylinder & Seal Gp-Bucket
1540760 Cylinder & Seal Gp-Boom
1232084 Cylinder & Seal Gp-Bucket
12***84Cylinder & Seal Group-Bucket; (Bucket)1
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1336805 Cylinder & Seal Gp-Bucket
13***05Cylinder & Seal Group-Bucket; (Bucket)1
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1540772 Cylinder & Seal Gp-Bucket
15***72Cylinder & Seal Group-Bucket; (Bucket)1
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1540765 Cylinder & Seal Gp-Stick
15***65Cylinder & Seal Group-Stick; (Stick)1
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1336810 Cylinder Gp-Bucket
1107215 Drive Gp-Swing
1107214 Drive Gp-Swing
1843995 Filter Ar
18***95Filter Group-Oil; -Hydraulic1
18***48Filter Group-Oil; -Hydraulic Return1
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1262075 Filter Gp-Hydraulic
12***75Filter Group-Oil; -Hyraulic Oil-Hydraulic, Case Drain1
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1076995 Filter Gp-Hydraulic
10***95Filter Group-Oil; -Hydraulic Return1
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1262080 Filter Gp-Hydraulic
1884148 Filter Gp-Hydraulic
18***48Filter Group-Oil; -Hydraulic Return1
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1843930 Filter Gp-Hydraulic
18***30Filter Group-Oil; -Hydraulic, Pilot Supply1
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1843997 Housing Gp-Filter
1232454 Installation Ar-Auxiliary
12***54Installation Ar-Auxiliary1
12***89Lines Group-Front1
12***90Lines Group-Pilot1
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1282132 Knob As
1282133 Knob As
1211920 Lines Ar-Auxiliary Hydraulic
12***20Lines Ar-Auxiliary Hydraulic1
12***21Lines Group-Auxiliary Hydraulic1
12***22Stick Group1
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1211916 Lines Ar-Auxiliary Hydraulic
12***16Lines Ar-Auxiliary Hydraulic1
12***17Stick Group1
14***68Lines Group-Auxiliary Hydraulic1
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1169113 Lines Gp-Auxiliary Hydraulic
11***13Lines Group-Auxiliary Hydraulic1
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1169114 Lines Gp-Auxiliary Hydraulic
11***14Lines Group-Auxiliary Hydraulic1
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1426668 Lines Gp-Auxiliary Hydraulic
14***68Lines Group-Auxiliary Hydraulic1
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1211921 Lines Gp-Auxiliary Hydraulic
12***21Lines Group-Auxiliary Hydraulic1
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1426670 Lines Gp-Auxiliary Hydraulic
14***70Lines Group-Auxiliary Hydraulic1
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1192546 Lines Gp-Boom
1192547 Lines Gp-Boom
1192775 Lines Gp-Boom Cylinder
1116481 Lines Gp-Boom Cylinder
1192774 Lines Gp-Boom Cylinder
1232085 Lines Gp-Bucket Cylinder
12***85Lines Group-Bucket Cylinder; (Bucket Cylinder)1
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1158693 Lines Gp-Bucket Cylinder
11***93Lines Group-Bucket Cylinder; (Bucket Cylinder)1
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1116474 Lines Gp-Front-Part 2 Of 2
1385071 Lines Gp-Front-Part 1 Of 2
1385070 Lines Gp-Front-Part 2 Of 2
1385071 Lines Gp-Front-Part 2 Of 2
1116474 Lines Gp-Front-Part 1 Of 2
1385070 Lines Gp-Front-Part 1 Of 2
1287489 Lines Gp-Front
1116468 Lines Gp-Pilot
1116498 Lines Gp-Pilot
1116467 Lines Gp-Pilot
1136571 Lines Gp-Pilot
1136657 Lines Gp-Pilot
1116490 Lines Gp-Pilot
1287490 Lines Gp-Pilot
1192356 Lines Gp-Pilot
1116486 Lines Gp-Pilot
1192477 Lines Gp-Pilot
1116492 Lines Gp-Pilot
1116501 Lines Gp-Pump-Part 2 Of 2
1116501 Lines Gp-Pump-Part 1 Of 2
1116500 Lines Gp-Return & Filter-Part 1 Of 2
1116497 Lines Gp-Return & Filter-Part 1 Of 2
1116500 Lines Gp-Return & Filter-Part 2 Of 2
1116497 Lines Gp-Return & Filter-Part 2 Of 2
1192551 Lines Gp-Stick
1116480 Lines Gp-Stick
1116479 Lines Gp-Stick
1232082 Lines Gp-Stick Cylinder
12***82Lines Group-Stick Cylinder; (Stick Cylinder)1
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1335831 Lines Gp-Swing Motor
1116471 Lines Gp-Travel Motor
1116470 Lines Gp-Travel Motor
1119950 Valve Gp-Manifold & Reducing
11***50Manifold Group-Control; -Pilot Manifold1
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1140661 Motor & Mtg Gp-Swing
1077028 Motor & Mtg Gp-Travel
1843834 Motor Gp-Swing-Part 2 Of 2
1843834 Motor Gp-Swing-Part 1 Of 2
1843829 Motor Gp-Swing
1077029 Motor
1077054 Motor Gp-Swing
1211564 Motor Gp-Swing-Part 2 Of 2
1211564 Motor Gp-Swing-Part 1 Of 2
1077037 Mounting Gp-Valve
1116361 Pedal Ar-Third
11***61Pedal Ar-Third1
11***71Lines Group-Pilot1
12***50Film-Instruction; (Travel Controls)1
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6e2746 Plug Gp
6e4793 Plug Gp
6e4816 Plug Gp
6E***46Plug Group-Control Valve1
6E***93Plug Group-Control Valve1
6E***16Plug Group-Control Valve1
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1099280 Pump & Mounting Gp
10***80Pump & Mtg Group-Main Hydraulic1
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1262083 Pump Gp-Gear
1336896 Pump Gp-Gear
1336911 Pump Gp-Gear
12***83Pump Group-Gear; (Gear)1
13***96Pump Group-Gear1
13***11Pump Group-Gear1
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1262073 Pump Gp-Hydraulic
1232229 Pump Gp-Main Hydraulic
0874780 Rotating Gp-Pump
0874782 Rotating Gp-Pump
0874781 Rotating Gp-Pump
4i6263 Rotor Gp-Swivel
1076996 Screen Gp
1597841 Swivel Gp
1231946 Tank & Filter Gp-Hydraulic-Part 2 Of 2
1232033 Tank & Filter Gp-Hydraulic-Part 2 Of 2
1232033 Tank & Filter Gp-Hydraulic-Part 1 Of 2
1231946 Tank & Filter Gp-Hydraulic-Part 1 Of 2
1076993 Tank & Mtg Gp-Hydraulic
1211393 Tank & Mtg Gp-Hydraulic
1140553 Valve Ar-4 Way
11***57Lines Group-Pilot1
11***53Valve Ar-4 Way1
12***01Film Group1
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1153094 Valve Ar-Check & Relief
11***81Lines Group-Boom Cylinder1
11***97Lines Group-Return & Filter1
11***98Lines Group-Pilot1
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1271322 Valve As
1271323 Valve As
1349153 Valve As
1314243 Valve As-Ball
4i6363 Valve As-Ball
4I***63Valve As-Ball; (1-Pump/2-Pump Flow)1
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1913149 Valve As-Ball
6c6746 Valve Gp
1183997 Valve Gp-Blocker
7i8136 Valve Gp-Check
4i5525 Valve Gp-Check
1843831 Valve Gp-Check
18***31Valve Group-Check; -Slow Return1
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4i0890 Valve Gp-Check
1425516 Valve Gp-Check
4i6301 Valve Gp-Check & Relief
1140547 Valve Gp-Check & Relief
1211423 Valve Gp-Control
1540542 Valve Gp-Control-Part 1 Of 2
1211417 Valve Gp-Control-Part 1 Of 2
1540544 Valve Gp-Control
1540545 Valve Gp-Control
1211417 Valve Gp-Control-Part 2 Of 2
1211422 Valve Gp-Control
1540543 Valve Gp-Control
15***43Valve Group-Control1
15***44Valve Group-Control1
15***45Valve Group-Control1
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1211424 Valve Gp-Control
1211420 Valve Gp-Control
12***20Valve Group-Control1
12***22Valve Group-Control1
12***24Valve Group-Control1
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1211419 Valve Gp-Control
12***19Valve Group-Control1
12***21Valve Group-Control1
12***23Valve Group-Control1
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1540542 Valve Gp-Control-Part 2 Of 2
1211421 Valve Gp-Control
1211418 Valve Gp-Control-Part 2 Of 2
1211418 Valve Gp-Control-Part 1 Of 2
1232510 Valve Gp-Flow Control
4i7836 Valve Gp-Flow Control
4I***36Valve Group-Flow Control; -Pilot Oil-Drain, Boom Ii1
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5i8706 Valve Gp-Flow Control
1211416 Valve Gp-Main Control
1540541 Valve Gp-Main Control
1371594 Valve As-Ball
13***94Valve Group-Manual1
13***43Valve Group-Manual1
13***44Valve Group-Manual1
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1384244 Valve As
1764984 Valve Gp-Pilot
17***84Valve Group-Pilot; -Joystick-Implement, Swing1
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1232147 Valve Gp-Pilot
1195219 Valve Gp-Pilot
11***19Valve Group-Pilot; -1-Pump, 2-Pump, Boom Priority1
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1556996 Valve Gp-Pilot
15***96Valve Group-Pilot; (Stick Drift Reduction)1
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1315914 Valve Gp-Pilot
13***14Valve Group-Pilot; (Implement, Swing)1
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1843899 Valve Gp-Pilot
1232148 Valve Gp-Pilot
12***48Valve Group-Pilot; -Platform Travel1
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1843900 Valve Gp-Pilot
1232604 Valve Gp-Pilot
12***04Valve Group-Pilot; -Third Pedal, Straight Travel1
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0856455 Valve Gp-Pilot
08***55Valve Group-Pilot; -Control Pattern Change1
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1232419 Valve Gp-Pilot
12***19Valve Group-Pilot; -Boom Lowering, Drift Reduction1
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1232146 Valve Gp-Pilot
1183917 Valve Gp-Pilot
1020871 Valve Gp-Pilot Relief
6e4281 Valve Gp-Pressure Control
1224459 Valve Gp-Pressure Control
1262067 Head Gp-Pump Control
1262065 Head Gp-Pump Control
4i7788 Valve Gp-Relief
1540403 Valve Gp-Relief
1095152 Valve Gp-Relief
10***52Valve Group-Relief; -Negative Flow Control1
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1163601 Valve Gp-Pilot Relief
11***01Oil Line; (Sub For Ffsb115155), Valve Group-Relief; -Line, Boom Cylinder Head End1
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1710030 Valve Gp-Relief
17***30Valve Group-Relief; -Work Tool Supply Oil1
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1232433 Valve Gp-Relief
1163600 Valve Gp-Relief
11***00Valve Group-Relief; -Line-Grapple1
11***01Valve Group-Pilot Relief1
11***10Valve Group-Relief; -Line, Boom Cylinder Head End1
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1597732 Valve Gp-Relief
6e5234 Valve Gp-Relief
6E***34Valve Group-Relief; (Auxiliary Over-Load)1
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1843830 Valve Gp-Relief
18***30Valve Group-Relief; -Swing Motor1
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1092667 Valve Gp-Relief
1185410 Valve Gp-Relief
11***10Valve Group-Relief; -Line, Boom Cylinder Head End1
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6e1547 Valve Gp-Relief
1298030 Valve Gp-Relief
1077058 Valve Gp-Selector
10***58Valve Group-Selector; -Hydraulic Activation Control1
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1120083 Valve Gp-Shuttle
11***83Valve Group-Shuttle; -Third Pedal, Straight Travel1
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1232549 Valve Gp-Shuttle
1119916 Valve Gp-Press Reducing Sol
11***16Valve Group-Solenoid; -Grapple Signal-Ground Saw, Grapple Control1
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1163526 Valve Gp-Solenoid
11***26Valve Group-Solenoid; -Swing Cushion1
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1077056 Valve Gp-Solenoid
10***56Valve Group-Solenoid; -Anti-Reaction, Fine Swing1
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1211491 Valve Gp-Solenoid
12***91Valve Group-Solenoid; -Hydraulic Activation Control1
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1216303 Valve Gp-Solenoid
12***03Valve Group-Solenoid; -Variable Adjustable Boom1
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1373637 Valve Gp-Solenoid
1528340 Valve Gp-Solenoid
15***40Valve Group-Solenoid; -Reversing Fan, Ride Control1
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1211565 Valve Gp-Solenoid
1211490 Valve Gp-Solenoid
1373718 Valve Gp-Traction Control
13***18Valve Group-Travel Counterbalance1
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Implements
7y3475 Adjuster Gp-Bucket
7Y***75Adjuster Group-Bucket; -C-Family1
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7y3476 Adjuster Gp-Bucket
7Y***76Adjuster Group-Bucket; -D-Family1
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1370944 Boom Ar
11***88Lighting Group-Boom; -Long1
11***46Lines Group-Boom1
12***84Boom Group1
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1317668 Boom Ar
13***68Boom Ar1
13***69Boom Ar1
15***58Cylinder & Lines Group-Boom1
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1317666 Boom Ar
13***66Boom Ar1
13***67Boom Ar1
15***58Cylinder & Lines Group-Boom1
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1204998 Boom Ar
10***46Cylinder & Lines Group-Boom1
11***88Lighting Group-Boom; -Long1
11***46Lines Group-Boom1
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1317669 Boom Ar
11***54Boom Group1
11***79Lines Group-Grease1
11***97Lighting Group-Boom1
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1317667 Boom Ar
11***53Boom Group1
11***77Lines Group-Grease1
11***88Lighting Group-Boom; -Long1
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1218684 Boom Gp
1110053 Boom Gp
1110054 Boom Gp
6i5027 Bucket & Adjuster Gp
6I***27Bucket & Adjuster Group1
7Y***76Adjuster Group-Bucket; -D-Family1
7Y***70Bucket As; (Mass Excavation)1
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6i5012 Bucket & Adjuster Gp
5I***44Bucket As; -C-Family1
6I***12Bucket & Adjuster Group; -Excavation, B-Family1
7Y***75Adjuster Group-Bucket; -C-Family1
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6i5014 Bucket & Adjuster Gp
6I***14Bucket & Adjuster Group1
7Y***75Adjuster Group-Bucket; -C-Family1
7Y***92Bucket As; (Mass Excavation)1
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1110056 Bucket & Adjuster Gp
11***56Bucket & Adjuster Group1
12***67Bucket As-Trenching1
7Y***76Adjuster Group-Bucket; -D-Family1
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1110057 Bucket & Adjuster Gp
11***57Bucket & Adjuster Group1
12***66Bucket As-Trenching1
7Y***76Adjuster Group-Bucket; -D-Family1
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1110061 Bucket & Adjuster Gp
11***61Bucket & Adjuster Group1
12***85Bucket As-Mass Excavation; (Mass Excavation)1
7Y***76Adjuster Group-Bucket; -D-Family1
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6i5013 Bucket & Adjuster Gp
5I***35Bucket As; (Excavation)1
6I***13Bucket & Adjuster Group1
7Y***75Adjuster Group-Bucket; -C-Family1
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1304093 Bucket & Adjuster Gp
13***93Bucket & Adjuster Group1
13***79Bucket As-Trenching1
7Y***75Adjuster Group-Bucket; -C-Family1
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7y7470 Bucket As-Excavation
7y7592 Bucket As-Mass Excavation
5i3444 Bucket As-Excavation
5i3483 Bucket As-Excavation
5i3335 Bucket As-Excavation
1304191 Bucket As-Mass Excavation
1235385 Bucket As-Mass Excavation
12***85Bucket As-Mass Excavation; (Mass Excavation)1
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1332479 Bucket As-Trenching
1235366 Bucket As-Trenching
1235367 Bucket As-Trenching
6i5026 Bucket & Adjuster Gp
5I***83Bucket As; (Excavation)1
6I***26Bucket Group-Adjuster &1
7Y***76Adjuster Group-Bucket; -D-Family1
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1170077 Lines Gp-Grease
1218685 Lines Gp-Grease
1218687 Lines Gp-Grease
1110079 Lines Gp-Grease
1024758 Linkage Ar-Bucket
10***58Linkage Ar-Bucket1
12***83Cylinder & Lines Group-Bucket; (Bucket)1
13***34Linkage Group-Bucket; (Bucket)1
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1370916 Linkage Ar-Bucket
13***34Linkage Group-Bucket; (Bucket)1
13***16Linkage Ar-Bucket1
15***71Cylinder & Lines Group-Bucket; (Bucket)1
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1370917 Linkage Ar-Bucket
13***35Linkage Group-Bucket; (Bucket)1
13***01Cylinder & Lines Group-Bucket; (Bucket)1
13***17Linkage Ar-Bucket; (Bucket)1
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1332435 Linkage Gp-Bucket
1332434 Linkage Gp-Bucket
1263782 Lubrication Ar-Automatic
10***58Linkage Ar-Bucket1
10***98Boom Ar1
12***99Stick Ar-Hoe1
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1370943 Lubrication Ar-Automatic
12***99Stick Ar-Hoe1
12***12Pump Group-Lubrication-Auto1
13***16Linkage Ar-Bucket1
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1275264 Pump As
1205112 Pump Gp-Lubrication-Auto
7y0366 Sidecutter Gp
7Y***66Sidecutter Group; -C-Family, D-Family1
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1024757 Stick Ar-Hoe
10***57Stick Ar-Hoe1
11***81Stick Group-Hoe1
11***80Lines Group-Stick1
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1204999 Stick Ar-Hoe
11***79Lines Group-Stick1
12***99Stick Ar-Hoe1
12***86Stick Group-Hoe1
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1024756 Stick Ar-Hoe
10***56Stick Ar-Hoe1
11***80Stick Group-Hoe1
11***79Lines Group-Stick1
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1174121 Stick Ar-Hoe
11***83Stick Group-Hoe1
11***21Stick Ar-Hoe1
11***51Lines Group-Stick1
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1211917 Stick Gp
1211922 Stick Gp
1218686 Stick Gp-Hoe
1110083 Stick Gp-Hoe
1110081 Stick Gp-Hoe
1110080 Stick Gp-Hoe
9w6472 Tip Gp
8e0839 Tip Gp
3g3236 Tip Gp-Penetration
9w6473 Tip Gp
8e0840 Tip Gp
8e0837 Tip Gp-Abrasion
8E***37Tip Group-Abrasion; -J-400, Heavy-Duty1
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8e3757 Tip Gp-Abrasion
8E***57Tip Group-Abrasion; -J-350, Heavy-Duty1
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1270716 Tip Gp-Long
8e3752 Tip Gp-Long
8E***52Tip Group-Long; -J-350, Heavy-Duty1
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6y5472 Tip Gp-Long
6Y***72Tip Group-Long; -J-400, Heavy-Duty1
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8j4955 Tip Gp-Long
8e0838 Tip Gp-Penetration
8j4954 Tip Gp-Short
1270715 Tip Gp-Short
8j4953 Tip Gp-Wide
8e0836 Tip Gp-Wide
Lubrication System
1314810 Breather Gp
1210884 Filter Gp-Engine Oil
6i1546 Fumes Disposal Gp
1251312 Gauge Gp-Oil Level (Dipstick)
12***12Gauge Group-Oil Level (Dipstick); (Oil Level) (Dipstick)1
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4w2914 Lines Gp-Engine Oil
1189931 Lines Gp-Drain
7c2476 Lines Gp-Turbocharger Oil
1241608 Mounting Gp-Engine Oil Filter
12***08Mounting Group-Engine Oil Filter1
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1192924 Pump Gp-Engine Oil
4w2195 Pump Gp-Engine Oil
4W***95Pump Group-Engine Oil; Engine Oil Pump Group1
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Operator Station
1116305 Air Conditioner & Mounting Gp
11***05Air Conditioner & Mounting Group1
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1557022 Air Conditioner & Mounting Gp
15***22Air Conditioner & Mounting Group1
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1229681 Air Conditioner Gp
11***89Duct Group-Defroster1
11***91Duct Group-Air1
11***05Air Conditioner & Mounting Group1
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1597855 Air Conditioner Gp
1557021 Air Conditioner Gp
12***48Duct Group-Defroster1
12***49Duct Group-Cab Air1
12***50Duct Group-Air1
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1680808 Air Conditioner Gp
1116413 Air Conditioner Gp
1229602 Arm As-Wiper
1474833 Blower Gp
6i5444 Box Gp-Storage
1556995 Cab Gp
1116294 Cab Gp (Basic)-Part 2 Of 2
1557020 Cab Gp (Basic)-Part 1 Of 2
1557020 Cab Gp (Basic)-Part 2 Of 2
1116294 Cab Gp (Basic)-Part 1 Of 2
1116293 Cab Gp
1557019 Cab Gp (Basic)-Part 2 Of 2
1540674 Cab Gp
1116270 Cab Gp
1116271 Cab Gp (Basic)-Part 1 Of 2
1557019 Cab Gp (Basic)-Part 1 Of 2
1244012 Cab Gp
1116271 Cab Gp (Basic)-Part 2 Of 2
1244013 Cab Gp (Basic)-Part 1 Of 2
1244013 Cab Gp (Basic)-Part 2 Of 2
1540433 Compressor Gp-Refrigerant
1099355 Compressor Gp-Refrigerant
1116307 Condenser & Mtg Gp-Air Cond
1540428 Condenser & Mtg Gp-Air Cond
1557008 Console Gp
1116280 Console Gp
1116278 Console Gp-Operator
1557084 Console Gp
1116279 Console Gp
1557039 Cover Gp
1557027 Cover Gp-Storage
1116277 Cover Gp-Storage
1680746 Distributor As
4i6974 Door Gp-Cab
4i6973 Door Gp-Cab
1557054 Door Gp-Cab
1557053 Door Gp-Cab
1557064 Cover Gp
1229646 Drive As-Windshield-Auto
1557063 Drive Gp-Windshield-Auto
15***63Drive Group-Window; (Windshield) (Auto)1
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1176263 Drive Gp-Windshield-Auto
11***63Drive Group-Window; (Windshield) (Auto)1
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1352255 Duct As
1397151 Duct As
1243982 Duct As
1116291 Duct Gp-Air
4i1170 Duct Gp-Air
4I***70Duct Group-Air; Duct Gp-Air (Basic)1
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1282150 Duct Gp-Air
1397150 Duct Gp-Air
1282149 Duct Gp-Air
1243985 Duct Gp-Air
1282148 Duct Gp-Defrost
1116289 Duct Gp-Defrost
1204995 Guard Ar-Overhead
12***95Guard Ar-Overhead1
12***30Guard Group-Overhead1
12***45Hood & Guard Group1
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1024740 Guard Ar-Vandalism
10***40Guard Ar-Vandalism1
10***44Box & Mtg Group-Storage1
11***21Guard Group-Vandalism1
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1204955 Guard Ar-Vandalism
10***44Box & Mtg Group-Storage1
12***55Guard Ar-Vandalism1
12***07Guard Group-Vandalism1
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1218730 Guard Gp-Overhead
1116321 Guard Gp-Vandalism
1244007 Guard Gp-Vandalism
4i1273 Hatch Gp
4i4204 Hatch Gp
1229648 Headrest As
1540678 Heater & Mounting Gp
1116287 Heater & Mounting Gp
1540682 Heater Ar
15***78Heater & Mtg Group-Cab1
15***82Heater Ar1
15***83Lines Group-Heater1
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1352228 Heater Ar
11***87Heater & Mtg Group-Cab1
13***28Heater Ar1
13***29Lines Group-Heater1
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1597856 Heater Gp
1116288 Heater Gp
1680809 Heater Gp
7y3813 Horn Gp-Electric
1176265 Lever As
1597744 Lever As
15***44Lever Group-Control; (Hydraulic Controls Lockout) (Hydraulic Activation Control)1
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1540521 Lines Gp-Air Conditioner-Part 2 Of 2
1229682 Lines Gp-Air Conditioner-Part 2 Of 2
1540521 Lines Gp-Air Conditioner-Part 1 Of 2
1229682 Lines Gp-Air Conditioner-Part 1 Of 2
1352229 Lines Gp-Heater
1540683 Lines Gp-Heater
7y0059 Literature Gp
09***45Cable; (Lanyard)1
5P***58Sleeve; (Cable Splice)2
5P***00Key Total 2 Pieces Per Unit; (Literature Compartment)2
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1557001 Mirror Gp-Rear View
1089836 Mirror Gp-Rear View
1060176 Monitor Gp-Operator
1133452 Motor As-Window Wiper
1229603 Motor As-Window Wiper
1282123 Drive As-Windshield-Auto
1116285 Platform Gp-Operator
1540591 Platform Gp-Operator
1597672 Seat As
1540775 Seat As
1229625 Seat Belt Gp
12***25Seat Belt Group; -Retractable, 3-In1
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1502200 Seat Gp
1116282 Seat Gp
1502201 Seat Gp
1116283 Seat Gp
1243925 Seat Gp
1116360 Seat Gp-Heated
1519617 Seat Gp
1116281 Support Gp-Seat
1300340 Suspension As-Seat
1116391 Suspension Gp-Seat
1243926 Suspension Gp-Seat
4i0559 Tank As-Window Washer
8r1774 Bottle Gp-Window Washer
1116313 Visor Gp-Sun
6i5387 Visor Gp-Protection-Rain
1116267 Washer Gp-Window
1116316 Washer Gp-Window
1116310 Windshield Ar-Auto
11***10Window Ar-Power1
11***62Window Group-Power1
11***63Drive Group-Window; (Windshield) (Auto)1
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1557061 Windshield Ar-Auto
11***64Control & Mtg Group-Power Window1
12***99Wiring Group-Power Window1
12***22Handle1
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4i6966 Window As-Door
1557058 Window As-Door
1116273 Window Gp
1557045 Window Gp
1243963 Window Gp
1557043 Window Gp
1557062 Window Gp
15***62Window Group-Front; -Power, Upper1
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1176262 Window Gp
1116315 Wiper & Washer Gp-Window
11***15Wiper & Washer Group-Window; (Window)1
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1116314 Wiper Ar-Lower
11***95Wiring Group-Window Wiper1
11***14Wiper Ar-Lower1
11***15Wiper & Washer Group-Window; (Window)1
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1116272 Wiper Gp-Window
1557041 Wiper Gp-Window
Power Train
1913238 Final Drive Gp-Part 1 Of 2
1913238 Final Drive Gp-Part 2 Of 2
1141344 Fastener Gp-Swing & Final Dr
11***44Fastener Group-Swing & Final Dr1
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1141331 Final Drive Gp
1141357 Final Drive Gp-Part 2 Of 2
1141357 Final Drive Gp-Part 1 Of 2
7y0369 Sprocket Gp-Nonsegmented
Service Equipment And Supplies
1205094 Film Gp
1275327 Film Gp
1275330 Film Gp
1205101 Film Gp
1178362 Plate & Film Gp-Part 3 Of 3
1178361 Plate & Film Gp-Part 1 Of 3
1178361 Plate & Film Gp-Part 2 Of 3
1178361 Plate & Film Gp-Part 3 Of 3
1178362 Plate & Film Gp-Part 1 Of 3
1178362 Plate & Film Gp-Part 2 Of 3
1205095 Film Gp

325B serial number reference

The PIN plate is a riveted metal tag on the upper structure, usually on the front-right side near the cab entry step or boom base; some machines repeat it on a plate inside the cab near the operator's seat. The Product Identification Number ends in an 8-character serial number: the first 3 characters are the machine prefix (ties to model/configuration), the last 5 digits are the sequential unit number. Match the 3-character prefix against known 325B prefixes to confirm configuration, and verify with a dealer if it does not match a documented range.

PrefixIdentifies
8GM325B (standard/base undercarriage configuration)
8RR325B (standard config); factory parts/service documentation for this same prefix block also covers the 325B L

Frequently asked questions

What engine does the Caterpillar 325B excavator use?

The 325B runs a Cat 3116TA, a turbocharged and aftercooled inline-six diesel displacing 6.6 liters (403 cu in), rated at roughly 125 kW (168 hp) net at 2000 rpm. This engine carried across the whole 325B production run; the following 325C switched to the 3126B.

What is the operating weight of the Caterpillar 325B?

Standard 325B operating weight runs about 25.5-26 tonnes (56,000-57,100 lb). The long-undercarriage 325B L is heavier, around 27.5 tonnes (60,600 lb), and the narrow-gauge 325B LN sits near 26.5 tonnes, so exact weight depends on configuration and attachments.

What replaced the Caterpillar 325B?

Caterpillar replaced the 325B with the 325C, which carries the 3126B engine and updated electronics. The 325 nameplate continued afterward through the 325D, 325F, and the current Next Generation 325.

What 325B owners discuss

What engine powers the Cat 325B, and how do owners rate it?
The 325B runs a Cat 3116TA inline-six diesel, turbocharged and aftercooled, rated around 125 kW (168 hp) net flywheel power with 6.6 L (403 cu in) displacement. Operators generally call it adequate but not gutsy for the machine's weight class, with modest low-end torque compared to later C-series machines. Fuel system varies by production run: earlier units used a fully mechanical unit-injector system, later units moved to Cat's hydraulic-electronic (HEUI) unit-injector system with an ECM. Know which fuel system your serial number has before troubleshooting a no-start or rough-run complaint — the diagnostic path is completely different between the two.
Why does the machine bog down and blow black smoke running stick and bucket together?
This is one of the most repeated complaints on 325/325B-series machines. Owners consistently trace it to the hydraulic pump control or main relief system rather than the engine itself: a sticking main control valve spool, worn pump swashplate control, or a relief/pressure-reducing valve out of calibration will pull the engine down under combined-function load and push it into black smoke as it tries to compensate. Check main and control pressures against spec at full operating temperature before chasing a fuel or turbo problem. Have your dealer verify relief valve calibration and pump condition before returning the machine to full duty.
The swing drifts on a slope, or won't swing at all with oil pushed out the dipstick — what's happening?
Two separate failure patterns show up under this complaint. Free-swing on a grade points to swing motor piston wear, where the piston slipper feet lose their retention and let the upper structure drift downhill under its own weight. No swing combined with oil forced out the swing drive dipstick points to a failed swing brake seal, with pressure then pushing past a second, weaker motor seal. Both need swing motor or pump teardown, not an adjustment. Because the machine can swing unexpectedly on sloped ground, have your dealer verify swing brake and motor condition before working near people or structures on a grade.
Travel speed sticks in low range, or the machine stalls splitting the tracks to turn — is that normal wear?
It's not normal, but it's a recurring complaint on higher-hour 325B-series units. Travel speed stuck in low points to the travel speed solenoid or valve circuit, or low pilot pressure, rather than the travel motors themselves. Stalling when splitting tracks to pivot-turn usually signals the hydraulic system is already marginal — pump wear or relief pressure drift — and can't handle counter-rotating travel on top of other functions.
What undercarriage wear should I expect on a machine this size?
Same pattern as any excavator in this weight class: tracks, rollers, sprockets and idlers wear steadily with hours and can add up to a large share of total rebuild cost over the machine's life. Final drives are a recognized weak point across the Cat medium excavator line — a failed floating face seal (duo-cone type) between the sprocket hub and motor housing lets gear oil leak out and lets dirt work into the planetary. Repeated top-offs of final drive oil are the tell that the seal is failing, not a one-time fix. Keeping the undercarriage frame clear of packed debris slows this failure down.
What electrical or sensor issues come up on these machines?
On mechanical-fuel-system 325Bs, most 'electrical' complaints are starting-circuit and gauge related — corroded connectors, chafed harness sections, and a hard-to-start engine that turns out to be a fuel pressure or air-in-fuel issue rather than anything electronic. On later HEUI-equipped units, the injection actuation pressure control valve, the injection actuation pressure sensor, and the HEUI pump wiring are what owners chase first for hard starting or rough running, since the HEUI system needs correct high-pressure oil actuation before the injectors will fire cleanly. Moisture intrusion into connectors is a recurring root cause on both fuel systems and can generate confusing, intermittent fault behavior.
What should I check before buying a used 325B?
Get hour-verified service records first — a high-hour machine with full documentation is usually a better buy than a lower-hour machine with no history. Run the engine and watch exhaust color and blow-by, and check oil and coolant condition. Warm the hydraulics fully, then check main and control pressures against spec and run every function under load together, including simultaneous stick/bucket and swing, watching for the bogging-and-black-smoke pattern common to this model. Check the swing system for drift on a slope. Walk the undercarriage for wear on tracks, rollers, sprockets and idlers, and check both final drives for oil weeping at the sprocket hub. Inspect the frame, boom and stick for cracks or repair welds. Have your dealer run a hydraulic pump flow and pressure test before finalizing the purchase.

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

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