Caterpillar 325 LN
Caterpillarexcavator

Caterpillar 325 LN

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 325 LN is a mid-size crawler excavator in the roughly 25-30 tonne class, built in Belgium from 1991 to 1998. It runs the Cat 3116 turbocharged diesel inline-six, a mechanically governed engine with no engine control module, rated at about 125 kW (168 hp) gross. Operating weight runs around 26.5 tonnes (58,400 lb), moving up or down with bucket, stick length and counterweight choice. The "L" in the name marks the long-undercarriage frame built for extra stability and lift capacity; the "N" marks the narrower track gauge for working confined sites or soft ground. Caterpillar sold the base 325, the 325 L and the 325 LN side by side on the same engine and hydraulics, differing mainly in undercarriage width and reach. This generation arrived as Caterpillar moved its excavator range to 3-digit "3 Series" model numbers in the early 1990s, and it was replaced by the turbocharged-aftercooled 325B LN in 1998.

The 325 nameplate stayed in production long after this LN generation ended. Caterpillar carried it through the 325B (3116TA), 325C (3126B ATAAC) and 325D (C7 ACERT) generations, each pairing a different engine, emissions tier and electronics package with the same size class, before folding the model into the 329D and later the next-generation excavator line. That means 325 LN parts, service specifications and running gear belong to this 1991-1998 build only and do not carry over to the B, C or D generations that followed. In the used and parts market, this generation holds value because the mechanical 3116 has no ECM, sensors or emissions aftertreatment to fail or fall out of support; it services with hand tools and basic diagnostics, and its fuel system, turbocharger and undercarriage parts remain widely supported through reman and aftermarket channels. The narrow-gauge LN undercarriage is the version buyers look for on pipeline, utility and confined-access jobs where a standard-gauge machine will not fit.

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 325 LN specifications

Engine

Engine modelCat 3116TA turbocharged, aftercooled diesel, inline-6-cylinder. Mechanically governed with unit injectors; no engine control module.
Gross powerAbout 126 kW (169 hp) SAE gross
Displacement6.6 L (403 cu in)
Emissions tierBuilt ahead of nonroad emissions-tier rules for this power class; mechanically governed diesel, no EPA or EU tier certification applies to this era

Weights

Operating weightAbout 26.5 t (58,400 lb) per period spec listings; varies with bucket, stick length and counterweight configuration
Ground pressureNot documented in verifiable form for this series - confirm for your specific track-shoe width and undercarriage option against factory literature
Transport weightNot separately documented; operating weight above is the closest published figure

Dimensions

Transport length10.35 m (33.96 ft)
Transport width2.99 m (9.81 ft)
Transport height3.19 m (10.46 ft)
Track shoe width600 mm (23.6 in) standard

Performance

Working ranges (dig depth, max reach, dump height, swing speed, travel speed, gradeability)Not documented for this exact generation in available literature. Do not carry over figures published for the later 325B LN, 325C LN or 325D LN - boom, stick and drivetrain differ across those generations. Confirm exact working ranges against the factory spec sheet for this serial range.

Forces

Bucket and stick digging forceNot documented in verifiable form for this series. Later 325-family generations publish different force figures tied to their own boom/stick/engine combination and should not be assumed to carry over.

Service capacities (summary)

Fuel tank420 L (111 US gal)
Hydraulic systemAbout 310 L (82 US gal) total, including tank
Engine oil20.1 L (5.3 US gal)
Cooling systemAbout 31.4-31.8 L (8.3-8.4 US gal)

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

325 LN fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)20.1 L (5.3 US gal)Cat DEO (Diesel Engine Oil). SAE 15W-40 for normal ambient range; SAE 10W-30 or Cat Arctic DEO for cold-start climates below about -10°C (14°F).
Cooling system31.4–31.8 L (8.3–8.4 US gal)Cat DEAC (Diesel Engine Antifreeze/Coolant), mixed per the factory glycol/water ratio for the expected ambient range. Later production and dealer top-offs commonly use Cat ELC (Extended Life Coolant) as the long-interval alternative — do not mix DEAC and ELC chemistries.
Fuel tank420 L (111 US gal)ASTM D975 No. 2-D diesel for normal operating temperatures; No. 1-D diesel (or a winter-blend No. 2-D) in cold climates for better cold-flow and starting.
Hydraulic system, total (incl. tank)310–310.4 L (81.9–82 US gal)Cat Hydraulic Oil (HYDO), base grade SAE 10W, with heavier HYDO grades for sustained hot-climate operation. Cat TDTO (Transmission/Drive Train Oil) is the accepted alternate fill if Cat HYDO isn’t on hand. Hydraulic tank-only capacity (separate from lines/cylinders) is not broken out in the sourced spec data — confirm against the serial-specific OMM.
Final drive (each, one per track)7.95 L (2.1 US gal) per sideCat TDTO (Transmission/Drive Train Oil), SAE 10W as the standard grade; a heavier-viscosity TDTO for continuous high-ambient-temperature duty.
Swing drive9.8–10.2 L (2.6–2.7 US gal)Cat TDTO (Transmission/Drive Train Oil), same viscosity guidance as the final drives.
Pilot / other circuitsNot separately listed — folded into hydraulic system totalSame Cat HYDO fill as the main hydraulic system; no distinct pilot-circuit reservoir capacity is published for this series.
Grease (spec only)Spec only — no fill volumeCat Multipurpose Grease, NLGI 2, for normal ambient conditions. Cat Arctic Platinum Grease (or NLGI 1) for sustained sub-freezing climates. Cat Advanced 3Moly Grease as an extended-interval option on pin and bushing points.

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

Caterpillar 325 LN maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level before starting (Cat DEO) and top up as needed; check for leaks around the block, turbocharger and lines.
  • Check coolant level at the sight glass or recovery tank; top up through the recovery tank, never the radiator cap, when hot.
  • Drain water and sediment from the primary fuel filter/water separator.
  • Walk around the machine and inspect boom, stick, bucket linkage and cylinders for leaks, cracks or loose pins.
  • Weekly: grease bucket, stick and boom pivot pins and cylinder rod ends with Cat Multipurpose Grease.
  • Weekly: check track sag and shoe bolt torque on the narrow-gauge undercarriage, and clear packed debris from rollers and idlers.
Every 250 h
  • Change engine oil (Cat DEO) and replace the engine oil filter on the 3116.
  • Replace the primary and secondary fuel filter elements.
  • Check and adjust fan and alternator belt tension.
  • Inspect the air filter element and replace the primary element if the restriction indicator calls for it.
  • Check final drive and swing drive oil (Cat TDTO) level.
  • Grease the swing bearing and any pin points not covered on the weekly schedule.
Every 500 h
  • Replace the hydraulic tank return (case-drain) filter element.
  • Clean the hydraulic tank breather and wash the suction screen.
  • Check swing bearing bolt torque.
  • Pull oil samples from the engine, hydraulic system and final drives for fluid analysis.
  • Inspect turbocharger mounting, boost lines and clamps for leaks or looseness.
Every 1,000 h
  • Change gear oil (Cat TDTO) in both final drives.
  • Change swing drive gear oil (Cat TDTO).
  • Replace the hydraulic pilot/pressure filter.
  • Check and re-torque track guiding guards and sprocket mounting bolts.
  • Check injection pump timing and valve lash on the mechanical 3116 governor.
Every 2,000 h
  • Change hydraulic tank oil (Cat HYDO) and clean the tank strainer.
  • Replace the hydraulic suction screen.
  • Inspect the main hydraulic pump and control valve for wear; schedule a rebuild if fluid-analysis trends call for it.
  • Check turbocharger shaft end play; rebuild or replace the core if out of tolerance.
  • Inspect swing gear and pinion teeth for wear.
Every 4,000 h
  • Drain, flush and refill the cooling system (Cat DEAC or ELC) on a 2-year or 4000-hour cycle, whichever comes first.
  • Replace the water pump if seepage shows at the weep hole.
  • Inspect the radiator core and hydraulic oil cooler fins for damage or blockage; straighten or clean as needed.
  • Replace hoses and clamps found weak or cracked during the flush.
Every 6,000 h
  • Inspect and, if needed, rebuild the travel motors and final drive planetaries.
  • Inspect the turbocharger core assembly and replace it if bearing play is out of spec.
  • Assess undercarriage wear on sprockets, idlers, rollers and chain; plan replacement or rebuild against measured wear on the narrow-gauge shoes.
  • Send the hydraulic pump and main control valve for shop evaluation if performance has degraded despite regular filter and oil service.

Servicing the 325 LN beyond the schedule

Predictive Maintenance & Fluid Analysis

The 325 LN's mechanical 3116 has no ECM and no onboard diagnostics, so scheduled oil sampling is the only early warning system available. Pull engine oil (Cat DEO) samples at every oil change to track soot loading and fuel dilution from the sleeve-metering injection pump; sample Cat TDTO final-drive/swing-drive oil and Cat HYDO hydraulic oil at 500-hour intervals to catch pump, cylinder and gear wear before it becomes a teardown. Watch coolant condition too, since this era's single-stage filtration lets contamination build faster than on later, electronically monitored generations.

Corrective & Common Repairs

Expect turbocharger bearing wear and boost-line leaks on the 3116T as the most common engine complaint, plus fuel transfer pump and injection pump seal failures typical of its mechanical sleeve-metering system. The swing bearing and gear wear quickly if grease intervals slip, and final drive seals weep after repeated cycles in tight, narrow-gauge work. Hydraulic cylinder rod seals on the boom and stick wear faster on LN machines used in confined excavation, where cylinders see more directional cycling than on standard-gauge duty.

Overhaul & Rebuild Points

At major hours, the 3116 typically needs an in-frame overhaul: injection pump, liners/sleeves and turbocharger core replacement, since none of it is electronically monitored for early derate warning. The main hydraulic pump and control valve are next, worn by decades of duty cycling. Undercarriage is the other big-ticket item: the LN's narrower track shoes carry the same weight on less ground contact, so sprockets, rollers, idlers and chain wear faster than on standard-gauge 325 L machines and often need full replacement by rebuild time.

Seasonal & Environment Servicing

Cold starts rely on the 3116's ether-start aid and battery condition, since this pre-electronic generation has no glow-plug or block-heater management logic to fall back on; check both before winter and use the correct seasonal oil viscosity. In hot or dusty conditions, keep the radiator core and hydraulic oil cooler fins clear, because there is no electronic overheat derate to protect the engine. The narrow-gauge undercarriage packs mud and clay between rollers faster than wider-gauge machines, so clean it more often on wet sites.

325 LN fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
No engine ECM code (mechanical 3116)The 325 LN's Cat 3116 diesel is mechanically governed with unit injectors and carries no engine ECM, so it cannot generate CID-FMI or SPN-FMI diagnostic codes the way later electronic Cat engines do.Architecture of this generation, not a fault condition; Cat's first electronic mid-range diesel arrived only in later engine families, after this machine's production run.Diagnose engine issues with mechanical procedures (injection timing, unit injector calibration, governor adjustment, compression/valve lash) per the shop manual rather than a code-based scan tool.
Coolant Temperature warning lampMonitor panel lamp/gauge shows engine coolant temperature above the normal operating range.Low coolant level, plugged radiator core or fins, slipping/failed fan drive, or a stuck thermostat.Shut down safely, check coolant level and radiator for debris once cooled, inspect fan drive and thermostat before returning to service.
Hydraulic Oil Temperature warning lampMonitor panel lamp/gauge shows hydraulic oil temperature above the normal operating range.Low hydraulic oil level, plugged hydraulic oil cooler, prolonged relief-valve operation, or wrong-viscosity oil.Idle down and let temperature drop, check oil level and cooler fins, inspect for relief-valve chatter or restrictions before resuming work.
Engine Oil Pressure warning lampMonitor panel lamp indicates engine oil pressure has dropped below the safe minimum.Low oil level, worn oil pump, plugged oil filter or suction screen, or a failing pressure sender.Stop the engine immediately, check oil level and filter condition, and verify sender operation before restarting.
Charging System warning lampMonitor panel lamp indicates the alternator is not charging the battery system.Worn or broken alternator belt, failed alternator, or loose/corroded charging wiring.Inspect belt tension and condition, check charging output at the alternator, and clean/tighten battery connections.
Air Filter Restriction indicatorIndicator shows the air intake filter has reached its maximum allowable restriction.Dirty or clogged primary/secondary air filter element, or damaged intake ducting.Service or replace the air filter element, reset the restriction indicator, and inspect ducting for leaks or damage.
Coolant Level warning lampIndicator shows engine coolant level in the recovery bottle is below the minimum mark.Coolant loss from an external leak, worn hoses or seals, or a leaking radiator/heater core.Inspect the cooling system for visible leaks once cool, top off with the specified coolant, and pressure-test if the level keeps dropping.
Hydraulic Filter Bypass indicatorIndicator shows the hydraulic return filter has bypassed due to excess restriction.Clogged hydraulic filter element, cold/high-viscosity oil at startup, or internal hydraulic system contamination.Replace the hydraulic filter element, check oil cleanliness and condition, and confirm the indicator clears after the change.

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

325 LN attachments & work tools

Buckets

General-purpose bucket capacity for this roughly 26.5-27 t class machine runs about 0.8-1.5 m³ (1.0-2.0 yd³), with the factory standard bucket on this series near 1.55 m³. Heavy-duty and rock buckets trade capacity for a narrower profile and thicker wear plate, typically 600-900 mm (24-36 in) wide versus 0.9-1.2 m (36-48 in) for general-purpose digging buckets — varies by configuration. Buckets mount pin-on to the stick/link or through a coupler using two 90 mm pins.

Hydraulic hammers

Operating weight on this series (roughly 26.5-27 t) sits at the top of the medium hammer class and into the next size up. A matched Cat-brand breaker for this bracket runs about 1,300-1,700 kg service weight, 100-220 L/min (26-58 gpm) oil flow, and roughly 14,000 kPa (2,030 psi) working pressure; aftermarket breakers marketed for this weight bracket run heavier, up to about 2,600 kg. Weight and flow spec varies by brand and hose/valve configuration — match to the machine's actual aux-circuit flow and pressure rather than by carrier-ton rating alone.

Quick couplers

Both pin-grabber and hydraulic wedge couplers are used on this size class, on a B/CB-style linkage with two 90 mm pins spaced about 495 mm (19.5 in) center to center. Pin-grabber couplers let the bucket be reversed for wall or pipe work at some cost in breakout force; wedge couplers keep full digging geometry but only accept one bucket mounting style.

Thumbs/grapples

Hydraulic thumbs are a common aftermarket fit on this series. Machines of this vintage often left the factory with a single-acting aux circuit sized for a hammer, so adding a thumb usually means converting to a double-acting (two-way) circuit at the stick. Demolition/sorting grapples built for the 320-330 size range match this machine's lift capacity and coupler interface, with AR-plate jaws for concrete, rebar, and mixed-debris sorting.

Rippers

A single-shank, stick-mounted ripper tooth using the same 90 mm pin / CB-linkage interface as the bucket is the standard ripper option for this size class. It suits light rock ripping and frost-breaking; production ripping is normally left to a dozer.

Hydraulic-kit notes

Running a hammer, thumb, or other powered tool needs the aux-circuit relief pressure matched to the tool's rated pressure (about 14,000 kPa / 2,030 psi class for a medium hammer) and flow kept within the tool's rated range. Single-function tools like a hammer can run on a single-acting circuit; double-acting tools such as a thumb or compactor need the circuit converted, or the machine ordered with two-way aux hydraulics.

All 325 LN assemblies by section

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

Air Inlet And Exhaust System
6i1222 Aftercooler Gp-Treated Water
7y0413 Air Cleaner Gp
6i2278 Cartridge Gp-Turbocharger*R
7c6213 Lines Gp-Air
7y1284 Lines Gp-Air
7y1536 Lines Gp-Drain
7c2476 Lines Gp-Turbocharger Oil
6i2298 Manifold Gp-Exhaust
7c2472 Manifold Gp-Exhaust
4w3480 Manifold Gp-Inlet
4W***80Manifold Group-Inlet; Inlet Manifold Group1
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7y0379 Mounting Gp-Air Cleaner
7y1534 Muffler Gp
4p2768 Turbocharger Gp*R
7e5197 Turbocharger Gp
Basic Engine
6c6624 Bracket Gp-Engine
2w9608 Camshaft Gp-Single
4w3462 Carrier Gp-Seal
4W***62Carrier Group-Seal; Carrier Group (Seal)1
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4w2108 Cover Gp-Cylinder Block
6i3766 Cover Gp-Cylinder Block
7l0004 Cover Gp-Front
7L***04Cover Group-Front; (Front Housing)1
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7c5033 Cover Gp-Sound Suppression
1014501 Cover Gp-Valve Mechanism
9y7620 Cover Gp-Valve Mechanism
4w2197 Crankshaft Gp
4W***97Crankshaft Group; Crankshaft Group1
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7e2482 Cylinder Block Gp*R
7E***82Cylinder Block Group; Cylinder Block Group1
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7c5826 Cylinder Block Gp
1004948 Cylinder Block Gp
1193067 Cylinder Head As
1154108 Cylinder Head As
1193065 Cylinder Head As
1154107 Cylinder Head As
1154165 Cylinder Head Gp*R
4p8263 Cylinder Head Gp*R
9y8871 Cylinder Head Gp-Non-Swirl
9y8850 Cylinder Head Gp*R
4p8264 Cylinder Head Gp
6i0772 Damper & Pulley Gp
7c4532 Drain Gp-Oil Pan
7C***32Drain Group-Oil Pan; Oil Pan Drain Group1
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7c0044 Drive Gp-Fan
7C***44Drive Group-Fan; Fan Drive Group1
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9y6092 Flywheel Gp
2w8475 Gear Gp-Front
2W***75Gear Group-Front; Front Gear Group1
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7w8813 Housing Gp-Flywheel
7l0002 Housing Gp-Front
4w2515 Lifting Gp
4i8628 Lines Gp-Drain
7y1280 Mounting Gp-Engine
4w0269 Pan Gp-Oil
6i4765 Piston & Rod Gp
1003694 Piston & Rod Gp-16.7 : 1 Ratio
1077546 Piston & Rod Gp
10***46Piston & Rod Group; Connecting Rod And Piston Group1
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1077639 Piston & Rod Gp-16.7 : 1 Ratio
10***39Piston & Rod Group; Connecting Rod And Piston Group1
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4w5429 Pulley Gp-Crankshaft
4W***29Pulley Group-Crankshaft; Crankshaft Pulley Group1
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4p7081 Pulley Gp-Fan Drive
4P***81Pulley Group-Fan Drive; (Fan & Alt Drive)1
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1077722 Rocker Arm Gp-Valve
7c6077 Rocker Arm Gp-Valve
4w1016 Seal Gp-Crankshaft
1154203 Seal Gp-Crankshaft
6i3765 Support Gp
1166688 Support Gp-Control
2w9607 Mechanism Gp-Fuel Pump & Valve
2W***07Valve Mechanism Group; Fuel Pump And Valve Mechanism Group1
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2w9607 Valve Mechanism Gp
2W***07Valve Mechanism Group; Fuel Pump And Valve Mechanism Group1
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Cooling System
4w2913 Cooler Gp-Engine Oil
1156951 Cooler Gp-Engine Oil
4w5428 Drive Gp-Water Pump
4W***28Drive Group-Water Pump; Water Pump Drive Group1
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4i7412 Fan Gp-Suction
6i3186 Lines Gp-Water
7c4508 Pump Gp-Water*R
4w7589 Pump Gp-Water
7y1886 Radiator & Oil Cooler Gp
7Y***86Radiator & Hydraulic Oil Cooler Group1
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7y1885 Radiator & Oil Cooler Gp
7Y***85Radiator & Hydraulic Oil Cooler Group1
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Electrical System
7y3817 Alarm Gp-Travel
7e7276 Alternator Gp
9w3043 Alternator Gp*R
9W***43Alternator Group-Charging; (24-Volt, 52-Ampere)1
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7c1683 Alternator Gp
7C***83Alternator Group-Charging; Charging Alternator Group (24v, 55a)1
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7y8110 Wiring Gp-Battery-Part 3 Of 3
7y8110 Wiring Gp-Battery-Part 1 Of 3
7y8266 Battery & Wiring Gp
7y8110 Wiring Gp-Battery-Part 2 Of 3
1060134 Control Gp
7y5460 Control Gp-Electronic
1028008 Control Gp-Electronic
7y3813 Horn Gp-Electric
5i8250 Lamp Gp-Flood
5i8251 Lamp Gp-Flood
6c6049 Lighting Gp
6c9215 Lighting Gp
7y8142 Lighting Gp
7y8206 Lighting Gp (Rh)
7y3815 Lighting Gp
7Y***15Lighting Group-Boom; Lighting Gp - Boom (Lh)1
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6c8619 Lighting Gp-Cab
7y3814 Lighting Gp
7y3827 Mounting Gp-Control
1027974 Mounting Gp-Control
1059991 Panel Gp-Circuit Breaker
7y8114 Panel Gp-Circuit
7e2538 Instrument Gp
7y0383 Starting Aid Gp-Ether
7y0090 Starting Ar
7E***79Starting Motor Group-Electric1
7Y***90Starting Ar1
7Y***66Battery & Wiring Group1
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3e2298 Starting Motor Gp-Electric
3E***98Starting Motor Group-Electric; Starting Motor Group (Delco Remy)1
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9x4507 Starting Motor Gp-Electric
8c4774 Starting Motor Gp-Electric - 24 Volt*R
3E***44Starting Motor Group-Electric1
8C***73Starting Motor Group-Electric; Starting Motor Group (Robert Bosch)1
8C***74Starting Motor Group-Electric1
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7e5979 Starting Motor Gp-Electric
3e1944 Starting Motor Gp-Electric - 24 Volt
6v5821 Starting Motor Gp-Electric*R
7c0747 Starting Motor Gp-Electric
7C***47Starting Motor Group-Electric; Starting Motor Group (Electric) (24v)1
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9x9995 Starting Motor Gp-Electric - 24 Volt
3E***98Starting Motor Group-Electric; Starting Motor Group (Delco Remy)1
8C***73Starting Motor Group-Electric; Starting Motor Group (Robert Bosch)1
9X***95Starting Motor Group-Electric1
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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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1068558 Starting Motor Gp-Electric*R
10***57Starting Motor Group-Electric; Electric Starting Motor Group (Robert Bosch)1
10***58Starting Motor Group-Electric1
10***59Starting Motor Group-Electric; Electric Starting Motor Group (Delco Remy)1
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8c4773 Starting Motor Gp-Electric - 24 Volt
8C***73Starting Motor Group-Electric; Starting Motor Group (Robert Bosch)1
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1068559 Starting Motor Gp-Electric
10***59Starting Motor Group-Electric; Electric Starting Motor Group (Delco Remy)1
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7n0718 Switch As-Disconnect
7N***18Switch As-Disconnect; -Battery-Ground Level1
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7n0719 Switch As-Disconnect
7N***19Switch Group-Disconnect; -Battery1
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1100890 Switch Gp-Pressure
9g7641 Switch Gp-Start
9G***41Switch Group-Start; -Engine, Key-Vims Service1
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5i8247 Wiring Gp
7y8279 Wiring Gp-Hydraulic Hammer
7y8267 Wiring Gp
7y8107 Wiring Gp
7y3816 Wiring Gp-Cab
4i5380 Wiring Gp-Console. Lh
4i5379 Wiring Gp-Console. Rh
4I***79Wiring Group-Console; Wiring Gp-Console (Rh)1
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7y5581 Wiring Gp-Console
4I***79Wiring Group-Console; Wiring Gp-Console (Rh)1
4I***80Wiring Group-Console1
7Y***81Wiring Group-Console1
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5i8248 Wiring Gp-Console. Lh
1100889 Wiring Gp-Load Indicator
6c6815 Wiring Gp-Load Indicator
Engine Arrangement
9y1932 Engine Ar-Part 2 Of 2
10***41Kit-Gasket; (Fuel System)0
10***53Kit-Gasket; (Single Cylinder Head)(Single Cylinder Head)0
10***94Piston & Rod Group6
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9y1932 Engine Ar-Part 1 Of 2
10***01Cover Group-Valve Mechanism1
10***95Control Group-Fuel Injection1
11***51Cooler Group-Engine Oil1
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6c6633 Engine Ar
6C***24Bracket Group-Engine1
6C***33Engine Ar1
7C***47Starting Motor Group-Electric; Starting Motor Group (Electric) (24v)1
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7y0373 Engine Ar
4I***12Fan Group-Suction1
6C***33Engine Ar1
7Y***73Engine Ar1
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Frame And Body
7y0720 Adjustment Gp-Hydraulic Track-(Rh)
7Y***20Adjustment Group-Hydraulic Track1
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7y0721 Adjustment Gp-Hydraulic Track-(Lh)
7Y***21Adjustment Group-Hydraulic Track1
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1097539 Box & Mounting Gp
7y2707 Box & Mounting Gp
1097540 Box Gp-Storage
7y2790 Box Gp-Storage
6i6695 Counterweight Gp
6c9381 Counterweight Gp
6c9380 Counterweight Gp
4i2929 Counterweight Gp
7y2724 Counterweight Gp
6i6694 Counterweight Gp
4i2616 Door Gp-Side
4i2615 Door Gp-Side
1070470 Door Gp-Side
1070469 Door Gp-Side
6c6770 Frame Gp-Undercarriage
6c6892 Frame Gp-Undercarriage
1102189 Frame Gp
6c6894 Frame Gp-Undercarriage
1102191 Frame Gp
1102190 Frame Gp
5i8987 Frame Gp-Upper
1105660 Frame Gp-Upper
7y0745 Gear & Bearing Gp
3B***89Fitting-Grease; (Fan And Alternator Drive)1
6W***87Seal (953 cm) (Order By The Centimeter)0
7Y***23Seal (953 cm) (Order By The Centimeter)0
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7y0372 Gear & Bearing Gp-Part 2 Of 2
7y0372 Gear & Bearing Gp-Part 1 Of 2
7i0589 Guard Ar-Bottom
6I***29Guard Group-Bottom1
7I***89Guard Ar-Bottom1
7Y***96Guard Group-Swivel; (Swivel)1
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6i6129 Guard Gp-Bottom-Heavy Duty
6i6125 Guard Gp-Bottom
6c8277 Guard Gp-Overhead-Part 1 Of 2
6c8277 Guard Gp-Overhead-Part 2 Of 2
1263162 Guard Gp-Overhead-Part 1 Of 2
1263162 Guard Gp-Overhead-Part 2 Of 2
7y2296 Guard Gp-Swivel
6c8065 Guard Gp-Track Guide
4I***57Guard Group-Track Guide1
4I***64Guard Group-Track Guide1
6C***65Guard Group-Track Guide1
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4i6557 Guard Gp-Track Guide
7y2202 Guard Gp-Track Guide
7Y***02Guard Group-Track Guide; -Center1
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6c8064 Guard Gp-Track Guide
4I***70Guard Group-Track Guide1
4I***75Guard Group-Track Guide1
6C***64Guard Group-Track Guide1
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4i6564 Guard Gp-Track Guide
4i6570 Guard Gp-Track Guide
4i6575 Guard Gp-Track Guide
7y2571 Guard-Track Motor
7y2203 Guard Gp-Track Motor
7y2570 Guard Gp-Track Motor
7y2704 Handrail Gp
6i6168 Hood & Guard Gp-Part 1 Of 2
6i6168 Hood & Guard Gp-Part 2 Of 2
7y2862 Hood Gp-Engine
4i2812 Hood Gp-Perforated
7y9575 Hood Gp-Engine Hinged
7Y***75Hood Group-Engine; Hood Gp-Engine Hinged1
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1104238 Hood Gp-Engine Hinged
6c8684 Hood Gp-Engine
6c8652 Hood Gp-Engine
7y0359 Idler Gp-Front
7y1612 Idler Gp-Front
7y0360 Idler Gp-Front
6y0853 Link As-Track
6y0854 Link As-Track
0875865 Platform Gp-Operator-Part 2 Of 2
0875865 Platform Gp-Operator-Part 1 Of 2
7y0724 Roller Ar-Track Carrier
7y0362 Roller Ar
6y1057 Roller Gp-Track
6y5323 Roller Gp-Track Carrier
9w2201 Seal Gp
09***54Seal Group-Duo-Cone1
09***55Ring-Toric2
8E***81Seal Group-Metal Face1
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6y2271 Seal Gp-Metal Face Type
6Y***69Seal2
6Y***70Ring-Sealing2
6Y***71Seal Group-Metal Face1
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7y0736 Spring Gp-Recoil
8e6050 Track Gp
8e6048 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)192
6Y***53Link As-Track1
8E***46Shoe-Track48
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6y2128 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)180
6Y***54Link As-Track1
6Y***25Shoe-Track45
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6y2129 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)192
6Y***53Link As-Track1
6Y***26Shoe-Track48
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6y5666 Track Gp
6y5664 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)96
6Y***53Link As-Track1
6Y***62Shoe-Track48
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6y2131 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)180
6Y***54Link As-Track1
6Y***26Shoe-Track45
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8e6047 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)180
6Y***54Link As-Track1
8E***46Shoe-Track45
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6y2127 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)192
6Y***53Link As-Track1
6Y***25Shoe-Track48
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8e6049 Track Gp
6Y***46Bolt; (Track) (M20x1.75x63mm)192
6Y***53Link As-Track1
8E***46Shoe-Track48
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6i8650 Track Gp
6I***50Track Group1
6I***51Shoe-Track48
6Y***46Bolt; (Track) (M20x1.75x63mm)192
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6y5665 Track Gp
Fuel System
7w6989 Control Gp-Fuel Injection
7W***89Control Group-Fuel Injection; Fuel Injection Control Group1
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1051695 Control Gp-Fuel Injection
7y5473 Control Gp-Governor
4p5614 Drive Gp-Governor & Transfer Pump
4P***14Drive Group-Gov & Transfer Pump1
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7e8794 Drive Gp-Governor & Transfer Pump
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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6i2693 Filter Gp-Fuel
6I***93Filter Group-Fuel; Fuel Filter Group (2z F3772-Up)1
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9y0283 Fitting Gp-Fuel
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve2
5P***24Elbow-90 Degree2
9Y***83Fitting Group-Fuel Lines1
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4p5727 Governor Gp-Unit Injector
7e7660 Governor Gp-Unit Injector
4P***27Governor Group-Unit Injector1
7E***60Governor Group-Unit Injector1
7W***12Fastener Group-Governor; Fastener Group(Governor) (~1c K5811)1
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4p5502 Governor Gp-Unit Injector
6i4267 Governor Gp-Unit Injector
6c7183 Guard Gp-Vandalism
7y2708 Lines Gp-Fuel
4p9695 Lines Gp-Fuel Filter
4p9693 Lines Gp-Air Fuel Ratio Control
7w8434 Lines Gp-Governor Oil
7W***34Lines Group-Governor Oil; Governor Oil Lines Group1
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1084470 Pump Ar-Fuel Transfer
10***70Pump Ar-Fuel Transfer1
4I***01Storage Group-Vandalism Guard1
6C***17Guard Group-Vandalism; Guard Gp-Vandalilism1
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4i8149 Pump Ar-Transfer
4I***01Storage Group-Vandalism Guard1
4I***49Pump Ar-Fuel Transfer1
6C***83Guard Group-Vandalism1
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7y0091 Pump Ar-Fuel Transfer
7Y***91Pump Ar-Fuel Transfer1
7Y***94Pump Group-Fuel Transfer1
7Y***67Wiring Group1
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7e7607 Pump Gp-Fuel Injection
7E***07Pump Group-Fuel Injection; Fuel Injection Pump Group1
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4p7206 Pump Gp-Fuel Priming & Primary Filter
4P***06Pump Group-Fuel Prm & Prim Filter1
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7y6294 Pump Gp-Fuel Transfer
4i0167 Separator Gp-Water
7c4028 Solenoid Gp-Shut-Off
4i0301 Protection Gp-Vandalism
5c0746 Strainer Gp
5c6108 Switch As
5C***08Switch As; (Fuel Tank Shut Off)1
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6i6133 Tank & Mounting Gp
6i6134 Tank Gp-Fuel
Hydraulic System
874456 Accumulator Gp
08***54Accumulator Group-Hydraulic; -Charged-Pilot Oil1
08***56Accumulator Group-Hydraulic; -Charged-Pilot Oil1
4I***36Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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4i1536 Accumulator Gp
4I***36Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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874454 Accumulator Gp
08***54Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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6c6354 Actuator Gp-Clamshell (D-Family)
6c6353 Actuator Gp-Clamshell (C Family)
6c6352 Actuator Gp-Clamshell (B Family)
7y6004 Control Ar-Auxiliary
08***11Lines Group-Pilot1
5I***58Control Group-Hydraulic1
6I***34Film-Instruction (Hydraulic Hammer)1
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7i8397 Control Ar-Auxiliary
08***13Lines Group-Pilot1
6C***01Control Group-Hydraulic1
6I***35Film-Instruction; Film-Instruction (Hydraulic Crusher)1
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7y6008 Control Ar-Auxiliary
08***15Lines Group-Pilot1
5I***58Control Group-Hydraulic1
6I***44Lines Group-Pilot1
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7i8398 Control Ar-Auxiliary
08***15Lines Group-Pilot1
6C***01Control Group-Hydraulic1
6I***44Lines Group-Pilot1
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6c6209 Control Ar-Auxiliary
6C***43Lines Group-Pilot1
6C***46Control Group-Hydraulic1
6C***09Control Ar-Auxiliary1
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7y6006 Control Ar
08***13Lines Group-Pilot1
5I***58Control Group-Hydraulic1
6I***35Film-Instruction; Film-Instruction (Hydraulic Crusher)1
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7i8396 Control Ar-Auxiliary
08***11Lines Group-Pilot1
6C***01Control Group-Hydraulic1
6I***34Film-Instruction (Hydraulic Hammer)1
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6c9301 Control Gp-Hydraulic
6c6146 Control Gp-Hydraulic
7y6009 Control Gp-Hydraulic
6i5352 Control Gp-Pilot Operated Hydraulic
6I***52Control Group-Pilot Operated Hydraulic; -Mass Excavator Rh1
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7y3425 Control Gp-Pilot Operated Hydraulic
7Y***25Control Group-Pilot Operated Hydraulic; Control Gp-Pilot Operated.. Hydraulic1
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6i5351 Control Gp-Pilot Operated Hydraulic
6I***51Control Group-Pilot Operated Hydraulic; -Mass Excavator Lh1
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7y0461 Coupling Gp-Pump
995693 Cover Gp
4i1720 Cylinder & Seal Gp
4I***20Cylinder & Seal Group; Boom Cylinder Gp - Seal &1
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6c6054 Cylinder & Seal Gp
7y5199 Cylinder & Seal Gp
875552 Cylinder & Seal Gp
08***52Cylinder & Seal Group; (Bucket)1
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4i1721 Cylinder & Seal Gp
875565 Cylinder & Seal Gp
08***65Cylinder & Seal Group; Cylinder & Seal Gp-"C" Linkage1
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4i7649 Cylinder & Seal Gp
7y5150 Cylinder Gp (Chgs 05, 06, 07, 08, 09)
875633 Cylinder Gp (Chg J00)
7y4601 Cylinder Gp-Boom (Chgs 06, 07, 08)
6c6150 Cylinder Gp (Chgs 00, 02)
4i7652 Cylinder Gp (Chg J01)
7y5100 Cylinder Gp-Bucket (Chg J04-J11)
7y4650 Cylinder Gp-Stick (Chg J09, J10)
874771 Drive Gp-Accessory
4i3741 Filter Gp-Hydraulic Oil
4I***41Filter Group-Hydraulic; -Hydraulic1
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5i7099 Front Ar
08***99Film-Identification; (Cat)1
4I***20Cylinder & Seal Group; Boom Cylinder Gp - Seal &2
4I***21Cylinder & Seal Group1
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874754 Head Gp-Pump Control
874719 Head Gp-Pump Control
874740 Head Gp-Pump Control
7y5954 Installation Ar
5I***39Lines Group-Front1
6I***45Lines Group-Pilot1
7Y***54Installation Ar-Auxiliary1
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7y6010 Installation Ar
6I***49Lines Group-Pilot1
7Y***10Installation Ar-Hydraulic Hammer1
7Y***79Wiring Group1
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7y2698 Lines Gp-Grease
6c6625 Lines Gp-Auxiliary Hydraulic
6C***25Lines Group-Auxiliary Hydraulic1
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6c6461 Lines Gp-Auxiliary Hydraulic
6C***61Lines Group-Auxiliary Hydraulic1
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6c6460 Lines Gp-Auxiliary Hydraulic
6C***60Lines Group-Auxiliary Hydraulic1
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6c6080 Lines Gp-Boom
6c6075 Lines Gp Boom
6c6294 Lines Gp-Boom
6c6050 Lines Gp-Boom
7y6011 Lines Gp-Boom
6c6295 Lines Gp-Boom
7y6401 Lines Gp-Boom
7y4508 Lines Gp-Boom
7y4510 Lines Gp-Boom
7y6012 Lines Gp-Boom
6c6296 Lines Gp-Boom
7y6033 Lines Gp-Boom
7y6032 Lines Gp-Boom
4i3664 Lines Gp-Boom Cylinder
4I***64Lines Group-Boom Cylinder; Lines Gp - Boom Cylinder1
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7y8318 Lines Gp-Boom Cylinder
5i4439 Lines Gp-Front
6c6310 Lines Gp-Front
875074 Lines Gp-Front-Part 1 Of 2
4i5853 Lines Gp-Front
4I***53Lines Group-Front; Lines Gp - Front1
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7y8092 Lines Gp-Front
1088658 Lines Gp-Front
875074 Lines Gp-Front-Part 2 Of 2
7y8094 Lines Gp-Front-Part 1 Of 2
6c6160 Lines Gp-Front
7y8034 Lines Gp-Front
7y8094 Lines Gp-Front-Part 2 Of 2
7y2399 Lines Gp-Grease
7y2205 Lines Gp-Grease
7y6388 Lines Gp-Grease
6c6048 Lines Gp-Grease
7y6387 Lines Gp-Grease
874815 Lines Gp-Pilot-Part 1 Of 2
5i8607 Lines Gp-Pilot-Part 2 Of 4
6c6292 Lines Gp-Pilot
4i0992 Lines Gp-Pilot
5i8608 Lines Gp-Pilot-Part 1 Of 2
6i6802 Lines Gp-Pilot
874813 Lines Gp-Pilot-Part 2 Of 2
6c6322 Lines Gp-Pilot-Part 1 Of 2
5i8608 Lines Gp-Pilot-Part 2 Of 2
6i6749 Lines Gp-Pilot
874811 Lines Gp-Pilot-Part 1 Of 2
1027735 Lines Gp-Pilot-Part 2 Of 2
6i6944 Lines Gp-Pilot
6i6744 Lines Gp-Pilot-Part 2 Of 2
6i6744 Lines Gp-Pilot-Part 1 Of 2
5i8607 Lines Gp-Pilot-Part 1 Of 4
1105611 Lines Gp-Pilot-Part 3 Of 3
874815 Lines Gp-Pilot-Part 2 Of 2
5i8607 Lines Gp-Pilot-Part 3 Of 4
1027735 Lines Gp-Pilot-Part 1 Of 2
1105611 Lines Gp-Pilot-Part 1 Of 3
5i8607 Lines Gp-Pilot-Part 4 Of 4
6c6322 Lines Gp-Pilot-Part 2 Of 2
7y8003 Lines Gp-Pilot
874811 Lines Gp-Pilot-Part 2 Of 2
1105611 Lines Gp-Pilot-Part 2 Of3
6i6745 Lines Gp-Pilot-Part 2 Of 2
874813 Lines Gp-Pilot-Part 1 Of 2
6i6745 Lines Gp-Pilot-Part 1 Of 2
6c6143 Lines Gp-Pilot
875076 Lines Gp-Pump
7y8319 Lines Gp-Return & Filter
6c6293 Lines Gp-Return & Filter
875075 Lines Gp-Return & Filter
7y7970 Lines Gp-Stick
6c6793 Lines Gp-Stick
7y7969 Lines Gp-Stick
7y7973 Lines Gp-Stick (D Family)
7y7972 Lines Gp-Stick
7y7971 Lines Gp-Stick
6c6237 Lines Gp-Stick
7y4509 Lines Gp-Stick
6c6249 Lines Gp-Stick
6c6797 Lines Gp-Stick
6c6250 Lines Gp-Stick
6c6326 Lines Gp-Stick
6c6236 Lines Gp-Stick
6c6243 Lines Gp-Stick
7y6386 Lines Gp-Stick
6c6796 Lines Gp-Stick
6c6794 Lines Gp-Stick
6c6233 Lines Gp-Stick
6c6240 Lines Gp-Stick
875073 Lines Gp-Swing Motor
875079 Lines Gp-Track Motor-Part 1 Of 2
875083 Lines Gp-Track Motor-Part 2 Of 2
875085 Lines Gp-Track Motor-Part 1 Of 2
875083 Lines Gp-Track Motor-Part 1 Of 2
875085 Lines Gp-Track Motor-Part 2 Of 2
875079 Lines Gp-Track Motor-Part 2 Of 2
875080 Mounting Gp-Valve
6e2746 Plug Gp
6e4816 Plug Gp
6E***46Plug Group-Control Valve1
6E***93Plug Group-Control Valve1
6E***16Plug Group-Control Valve1
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6e4793 Plug Gp
7y0420 Pump & Mounting Gp
7y6020 Pump & Mounting Gp-Auxiliary
6c6682 Pump Gp-Auxiliary
4J***16Cover1
4J***67Packing,Preformed; Tube To Cylinder Uoc:Bsv,Bsx1
6C***82Pump Group-Auxiliary1
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1038264 Pump Gp-Gear
08***27Pump Group-Gear1
10***64Pump Group-Gear1
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874727 Pump Gp-Gear
874718 Pump Gp-Hydraulic
7y4002 Pump Gp-Piston
874782 Rotating Gp-Pump
874781 Rotating Gp-Pump
874780 Rotating Gp-Pump
7y6394 Front Ar
08***99Film-Identification; (Cat)1
4I***20Cylinder & Seal Group; Boom Cylinder Gp - Seal &1
4I***21Cylinder & Seal Group1
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1092095 Screen Gp
875316 Screen Gp
7y4800 Swivel Gp
1038427 Tank & Filter Gp
10***27Tank & Filter Group1
10***28Tank & Filter Group1
10***29Tank & Filter Group1
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1038429 Tank & Filter Gp-Part 2 Of 2
1105617 Tank & Filter Gp-Part 2 Of 2
1105617 Tank & Filter Gp-Part 1 Of 2
1038429 Tank & Filter Gp-Part 1 Of 2
1105615 Tank & Filter Gp
1038428 Tank & Filter Gp
1105614 Tank & Filter Gp
11***14Tank & Filter Group1
11***15Tank & Filter Group1
11***17Tank & Filter Group1
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7y4701 Tank & Filter Gp
7y4700 Tank Gp-Mounting
1105613 Tank & Mounting Gp-Hydraulic
1091056 Tank Gp-Hydraulic
6c7364 Tank Gp-Procurement
1143078 Tank Gp-Hydraulic
7y7974 Valve Ar-Check & Relief
6I***44Lines Group-Pilot1
7Y***74Valve Ar1
7Y***18Lines Group-Boom Cylinder1
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6c6290 Valve Ar-Stick Lowering
6C***90Valve Ar1
6C***92Lines Group-Pilot1
6C***93Lines Group-Return & Filter1
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6c6291 Valve Ar-Stick Lowering
6C***91Valve Ar1
6C***92Lines Group-Pilot1
6C***93Lines Group-Return & Filter1
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6c6289 Valve Ar-Stick Lowering
6C***89Valve Ar1
6C***92Lines Group-Pilot1
6C***93Lines Group-Return & Filter1
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4i0989 Valve Ar
4I***89Valve Ar1
4I***92Lines Group-Pilot1
7I***24Valve Group-Solenoid1
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6c6746 Valve Gp
6e5640 Valve Gp
6C***83Valve Group-Control0
6E***40Valve Group1
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5i4087 Valve Gp
6c7860 Valve Gp
6e5635 Valve Gp
6C***81Valve Group-Control0
6E***35Valve Group1
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6c7861 Valve Gp
1020864 Valve Gp
1020787 Valve Gp-Check
10***87Valve Group-Check; Valve Gp-Check & Relief1
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5i4369 Valve Gp-Check
875673 Valve Gp-Check
4i0890 Valve Gp-Check
4i5525 Valve Gp-Check
875343 Valve Gp-Check & Relief
4i6301 Valve Gp-Check & Relief
0875343 Valve Gp-Check & Relief
08***43Valve Group-Check & Relief1
10***87Valve Group-Check; Valve Gp-Check & Relief1
10***01Valve Group-Check & Relief1
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1057401 Valve Gp-Check & Relief
6e5634 Valve Gp-Control-Part 2 Of 2
6e6375 Valve Gp
6C***81Valve Group-Control1
6E***35Valve Group-Control1
6E***75Valve Group-Control1
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6e5634 Valve Gp-Control-Part 1 Of 2
6e5639 Valve Gp-Control-Part 1 Of 2
6e5639 Valve Gp-Control-Part 2 Of 2
6c8083 Valve Gp
6e5935 Valve Gp
6c8081 Valve Gp
5i8746 Valve Gp-Flow Control
6e5633 Valve Gp
5i4375 Valve Gp-Manifold & Reducing
5I***75Valve Group-Manifold & Reducing1
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7i7173 Valve Gp-Manifold & Reducing
7I***73Valve Group-Manifold & Reducing1
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7i7803 Valve Gp-Manifold & Reducing
7I***03Valve Group-Manifold & Reducing1
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1110942 Valve Gp-Manifold & Relief
6c9340 Valve Gp-Pilot
4i0894 Valve Gp-Pilot
875163 Valve Gp-Pilot
1105608 Valve Gp-Pilot
5i4086 Valve Gp-Pilot
875675 Valve Gp-Pilot
6c9339 Valve Gp-Pilot
6i6934 Valve Gp-Pilot
1020871 Valve Gp-Relief Pilot
4i8700 Valve Gp-Relief Pilot
4I***00Valve Group-Pilot Relief; Valve Gp-Relief Pilot1
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7i7267 Valve Gp-Relief Pilot
7I***67Valve Group-Pilot Relief; (Relief Pilot)1
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6e4281 Valve Gp-Pressure Control
6e4298 Valve Gp-Pressure Control
6e5939 Valve Gp-Relief
6c6149 Valve Gp-Relief
6e2471 Valve Gp-Relief
6E***71Valve Group-Relief; (Pilot Relief)1
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6c6148 Valve Gp Relief
6e5933 Valve Gp-Relief
6E***33Valve Group-Relief1
6I***99Valve Group-Relief0
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6e2914 Valve Gp-Relief
6E***71Valve Group-Relief; (Pilot Relief)1
6E***14Valve Group-Relief1
7I***67Valve Group-Pilot Relief; (Relief Pilot)1
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9t0122 Valve Gp-Relief
6e5229 Valve Gp-Relief
6e1547 Valve Gp-Relief
6e5234 Valve Gp-Relief
4I***00Valve Group-Pilot Relief; Valve Gp-Relief Pilot0
6E***29Valve Group-Relief0
6E***34Valve Group-Relief; (Auxiliary Over-Load)1
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1092667 Valve Gp-Relief
10***67Valve Group-Relief; -Negative Flow Control1
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6i6899 Valve Gp-Relief-Pilot Operated
875054 Valve Gp-Selector
08***54Valve Group-Selector; -Hydraulic Lockout1
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7y4440 Valve Gp-Solenoid
7y8417 Valve Gp-Solenoid
7i0124 Valve Gp-Solenoid
4i6273 Valve Gp-Solenoid
7y5005 Valve Gp-Solenoid
7i1247 Valve Gp-Solenoid
7i1246 Valve Gp-Solenoid
7i1245 Valve Gp-Solenoid
4i6400 Valve Gp-Speed Control
Implements
9w8565 Sidecutter Gp-Blade
9W***65Sidecutter Group-Blade; Sidecutter Gp-Blade1
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9w8566 Sidecutter Gp-Combination
9w8567 Sidecutter Gp-Strike Off
7y2219 Adjuster Gp-Bucket (B Family)
7Y***19Adjuster Group-Bucket; -B-Family1
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7y3475 Adjuster Gp (C Family)
7Y***75Adjuster Group-Bucket; -C-Family1
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7y3476 Adjuster Gp-Bucket (D Family)
7Y***76Adjuster Group-Bucket; -D-Family1
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7y0075 Boom Ar (Reach)
4I***20Cylinder & Seal Group; Boom Cylinder Gp - Seal &2
4I***21Cylinder & Seal Group1
4I***64Lines Group-Boom Cylinder; Lines Gp - Boom Cylinder1
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6c6000 Boom Ar
4I***20Cylinder & Seal Group; Boom Cylinder Gp - Seal &2
4I***21Cylinder & Seal Group1
4I***64Lines Group-Boom Cylinder; Lines Gp - Boom Cylinder1
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7y0076 Boom Ar (Mass Excavation)
4I***20Cylinder & Seal Group; Boom Cylinder Gp - Seal &2
4I***21Cylinder & Seal Group1
4I***64Lines Group-Boom Cylinder; Lines Gp - Boom Cylinder1
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7y2209 Boom Gp
7y6399 Boom Gp
7y2204 Boom Gp
6c6030 Boom Gp-Fore
6c6010 Boom Gp-Stub
7y7592 Bucket As (C Family)
7y7786 Bucket As (D Family)
7y7466 Bucket As (C Family)
7y7746 Bucket As (D Family)
1171446 Bucket As (C-Family)
1171449 Bucket As (C-Family)
1171222 Bucket As (D-Family)
1089521 Bucket As (B-Family)
7y7573 Bucket As (D Family)
7y7470 Bucket As (D Family)
5i3335 Bucket As (C Family)
7y6403 Bucket As-Ditch Cleaning
1154394 Bucket As-(C-Family)
1171451 Bucket As (C-Family)
7y7861 Bucket As (C Family)
1155046 Bucket As-(C-Family)
1155050 Bucket As (D-Family)
7y9129 Bucket As (B Family)
1155049 Bucket As-(C-Family)
1154381 Bucket As (D-Family)
7y7467 Bucket As (C Family)
1154393 Bucket As-(C-Family)
1154407 Bucket As (D-Family)
1154403 Bucket As (D-Family)
7y7698 Bucket As (C Family)
1154396 Bucket As-(C-Family)
7y7569 Bucket As (D Family)
1154406 Bucket As (D-Family)
1154382 Bucket As (D-Family)
1171458 Bucket As (C-Family)
1089524 Bucket As (B-Family)
7y7552 Bucket As (D Family)
7y7720 Bucket As (C Family)
7y7518 Bucket As (C Family)
1155036 Bucket As-(C-Family)
1171463 Bucket As (C-Family)
1171456 Bucket As (C-Family)
1155037 Bucket As-(C-Family)
1154400 Bucket As-(C-Family)
1171459 Bucket As (C-Family)
1154398 Bucket As-(C-Family)
1155039 Bucket As (D-Family)
7y9134 Bucket As (B Family)
5i3483 Bucket As (D Family)
5i3493 Bucket As (D Family)
1155048 Bucket As-(C-Family)
1154395 Bucket As-(C-Family)
7y7763 Bucket As (D Family)
1154383 Bucket As (D-Family)
1154408 Bucket As (D-Family)
1155052 Bucket As (D-Family)
1171447 Bucket As (C-Family)
7i6692 Bucket As (B Family)
1154404 Bucket As (D-Family)
1154402 Bucket As (D-Family)
7i6693 Bucket As (B Family)
1154377 Bucket As-(C-Family)
1154409 Bucket As (D-Family)
1171465 Bucket As (C-Family)
7y7603 Bucket As (C Family)
1171462 Bucket As (C-Family)
7y7733 Bucket As (C Family)
7y7689 Bucket As (C Family)
1089522 Bucket As (B-Family)
1171468 Bucket As (C-Family)
1171467 Bucket As (C-Family)
1154405 Bucket As (D-Family)
1154397 Bucket As-(C-Family)
1154378 Bucket As-(C-Family)
1155047 Bucket As-(C-Family)
1154741 Bucket As-(C-Family)
1155051 Bucket As (D-Family)
1171476 Bucket As (D-Family)
1154401 Bucket As-(C-Family)
7y7776 Bucket As (C Family)
1089523 Bucket As (B-Family)
1155038 Bucket As (D-Family)
1171455 Bucket As (C-Family)
1171461 Bucket As (C-Family)
7y7721 Bucket As (D Family)
1171464 Bucket As (C-Family)
7y9113 Bucket As (D Family)
1171450 Bucket As (C-Family)
5i3444 Bucket As (C Family)
1154379 Bucket As-(C-Family)
1155071 Bucket As-(C-Family)
1155076 Bucket As-(C-Family)
1155082 Bucket As-(C-Family)
1155083 Bucket As-(C-Family)
1155069 Bucket As-(C-Family)
1155081 Bucket As-(C-Family)
1155073 Bucket As-(C-Family)
1155084 Bucket As-(C-Family)
1155080 Bucket As-(C-Family)
7y6402 Bucket Gp-Light Material
1159531 Bucket Gp-Quick Coupler-(C-Family)
0T***31Washer (.1046" Thick); (10.3x19x2.5-mm Thk)4
11***49Plate2
11***31Bucket Group-Quick Coupler1
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4i7457 Edge Gp-Cutting
4i7456 Edge Gp-Cutting
4i8021 Linkage Ar-Bucket (B Family)
08***12Linkage Group-Bucket; (Bucket)1
4I***21Linkage Ar-Bucket1
7Y***99Cylinder & Seal Group1
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7y0084 Linkage Ar-Bucket (C Family)
08***65Cylinder & Seal Group; Cylinder & Seal Gp-"C" Linkage1
7Y***84Linkage Ar-Bucket; Linkage Ar-"C" Family1
7Y***07Linkage Group-Bucket; Linkage Gp-"C" Family1
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7y0085 Linkage Ar-Bucket (D Family)
08***52Cylinder & Seal Group; (Bucket)1
7Y***85Linkage Ar-Bucket1
7Y***16Linkage Group-Bucket; (Bucket)1
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7y6398 Linkage Gp-Bucket
7y2216 Linkage Gp-Bucket (D Family)
875912 Linkage Gp-Bucket (B Family)
7y2207 Linkage Gp-Bucket (C Family)
7Y***07Linkage Group-Bucket; Linkage Gp-"C" Family1
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7y6397 Lock Gp-Transport
7y0729 Sidecutter Gp
7y0080 Stick Ar-Hoe (Mass Excavation, D Family)
7Y***80Stick Ar-Hoe1
7Y***10Stick Group-Hoe1
7Y***71Lines Group-Stick1
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7y0081 Stick Ar-Hoe (Mass Excavation, C Family)
7Y***81Stick Ar-Hoe1
7Y***13Stick Group-Hoe1
7Y***72Lines Group-Stick1
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7y6202 Stick Ar-Hoe (Reach, D Family)
7Y***25Stick Group-Hoe1
7Y***02Stick Ar-Hoe1
7Y***71Lines Group-Stick1
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7y0082 Stick Ar-Hoe (Mass Excavation, D Family)
7Y***82Stick Ar-Hoe1
7Y***14Stick Group-Hoe1
7Y***73Lines Group-Stick1
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7y0077 Stick Ar-Hoe (Reach, B Family)
7Y***77Stick Ar-Hoe1
7Y***11Stick Group-Hoe1
7Y***98Lines Group1
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7y0079 Stick Ar-Hoe (Reach, C Family)
7Y***79Stick Ar-Hoe1
7Y***06Stick Group-Hoe1
7Y***09Lines Group-Stick1
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7y0078 Stick Ar-Hoe (Reach, C Family)
7Y***78Stick Ar-Hoe1
7Y***12Stick Group-Hoe1
7Y***70Lines Group-Stick1
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7y2210 Stick Gp-Hoe
7y2213 Stick Gp-Hoe
7y6400 Stick Gp-Hoe
7y2214 Stick Gp-Hoe
7y2211 Stick Gp-Hoe
7y2206 Stick Gp-Hoe
7y2925 Stick Gp-Hoe
7y2212 Stick Gp-Hoe
3g3237 Tip Gp
3g3236 Tip Gp-Penetration
9n4563 Tip Gp
9N***63Tip Group-Long; -J-450, Heavy-Duty1
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8j4955 Tip Gp-Long
8e3752 Tip Gp-Long
8E***52Tip Group-Long; -J-350, Heavy-Duty1
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8e3751 Tip Gp-Long
3G***09Retainer-G.E.T.1
8E***51Tip Group-Long; -J-300, Heavy-Duty1
9J***08Pin-G.E.T.1
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9n4562 Tip Gp-Long
8e0834 Tip Gp-Long
7T***02Tip-Long1
7T***08Pin-G.E.T.1
8E***34Tip Group-Long; (Long)1
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9j3167 Tip Gp-Long
6y5472 Tip Gp-Long
6Y***72Tip Group-Long; -J-400, Heavy-Duty1
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9n4564 Tip Gp-Penetration
8e0838 Tip Gp-Penetration
6Y***09Tip-Penetration1
7T***08Pin-G.E.T.1
8E***38Tip Group-Penetration; -J-4001
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8j4954 Tip Gp-Short
8e0835 Tip Gp-Short
7T***01Tip-Short1
7T***08Pin-G.E.T.1
7T***09Retainer Group1
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9j3175 Tip Gp-Short
9n4561 Tip Gp-Short
Lubrication System
1n3477 Breather Gp
9y1052 Filter Gp-Engine Oil
9y3350 Fumes Disposal Gp
4p0852 Gauge Gp-Oil Level (Dipstick)
4P***52Gauge Group-Oil Level (Dipstick)1
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4w2914 Lines Gp-Engine Oil
2w8625 Pump Gp-Engine Oil*R
4w2195 Pump Gp-Engine Oil
4W***95Pump Group-Engine Oil; Engine Oil Pump Group1
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1192924 Pump Gp-Engine Oil
Operator Station
875866 Air Conditioner & Mounting Gp
08***66Air Conditioner & Mounting Group; Conditioner Gp-Mounting &1
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7y0093 Air Conditioner Ar
08***66Air Conditioner & Mounting Group; Conditioner Gp-Mounting &1
08***67Lines Group-Air Conditioner1
08***68Condenser & Mounting Group1
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4i0470 Air Conditioner Gp-Part 2 Of 2
4i0470 Air Conditioner Gp-Part 1 Of 2
9g9813 Alarm Gp
9G***13Alarm Group; -Action-Action, Engine Overspeed1
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6c8832 Bottle Gp
4i0457 Bottle Gp-Windshield Washer
6i5444 Box Gp-Storage
6c8282 Cab Gp
10***23Wiper Group1
10***24Cab Group1
6C***82Cab Group1
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1180185 Cab Gp-Part 2 Of 2
08***09Strip2
08***53Support1
08***54Strip2
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1180185 Cab Gp-Part 1 Of 2
08***08Grommet2
08***54Valve Group-Selector; -Hydraulic Lockout1
08***75Valve Group-Pilot2
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5i3467 Cab Gp-Part 1 Of 5
5i3466 Cab Gp
1094224 Cab Gp
6c8841 Cab Gp 6c8282-Page 418, 4i6631-Page 429
5i3467 Cab Gp-Part 4 Of 5
5i3467 Cab Gp-Part 5 Of 5
5i3467 Cab Gp-Part 2 Of 5
5i3467 Cab Gp-Part 3 Of 5
6c8656 Cab Gp
7t8600 Clutch & Refrigerant Compressor Gp
7T***00Compressor Group-Clutch & Refrig1
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7y0457 Compressor Gp-Refrigerant
875868 Condenser & Mounting Gp
5i3281 Console Gp-Part 2 Of 2
5i3837 Console Gp-Part 1 Of 2
7y3152 Console Gp-Part 2 Of 2
5i3281 Console Gp-Part 1 Of 2
7y3152 Console Gp-Part 1 Of 2
5i3837 Console Gp-Part 2 Of 2
7y2715 Console Gp-Operator
7y5500 Control Gp-Electronic
1114748 Control Gp-Electronic
7t8000 Control Gp-Electronic
4i6631 Cover Gp
6c8657 Door Gp
4i6973 Door Gp-Cab
4i0491 Duct Gp-Air
4I***91Duct Group-Air; Duct Gp-Air (Heater)1
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4i1170 Duct Gp-Air
4I***70Duct Group-Air; Duct Gp-Air (Basic)1
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4i1172 Duct Gp-Air
875873 Duct Gp-Defrost
08***73Duct Group-Defrost; Duct Gp-Defrost (Basic)1
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6c8621 Guard Gp-Window
6c8617 Guard Gp-Vandalism
6C***17Guard Group-Vandalism; Guard Gp-Vandalilism1
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1084466 Guard Gp-Vandalism
10***66Guard Group-Vandalism1
4I***13Storage Group-Vandalism Guard1
6C***17Guard Group-Vandalism; Guard Gp-Vandalilism1
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4i1273 Hatch Gp
6c3995 Heater Ar-Seat
6C***95Heater Ar-Seat1
6C***90Seat Group-Basic1
7N***79Socket-Governor Solenoid Wire To Housing1
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4i1275 Heater Gp
6c8711 Heater Gp-Cab
08***71Heater Group-Cab; Heater Gp (Basic)1
08***73Duct Group-Defrost; Duct Gp-Defrost (Basic)1
4I***91Duct Group-Air; Duct Gp-Air (Heater)1
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875871 Heater Gp-Basic
08***71Heater Group-Cab; Heater Gp (Basic)1
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875867 Lines Gp-Air Conditioner-Part 2 Of 2
875867 Lines Gp-Air Conditioner-Part 1 Of 2
875872 Lines Gp-Heater
1154777 Lines Gp-Heater
7y2705 Mirror Gp-Rear View
7y8104 Mounting Gp-Radio
6c7773 Platform Gp-Part 1 Of 2
6c7773 Platform Gp-Part 2 Of 2
6c7477 Procurement Gp
4I***70Duct Group-Air; Duct Gp-Air (Basic)1
4I***72Duct Group-Air1
5I***67Cab Group1
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8y6856 Seat Belt Gp-Seat
6c7314 Seat Gp
7y3286 Seat Gp
1216958 Seat Gp
1216959 Seat Gp
1137810 Seat Gp-Heater
1217890 Seat Gp
1096425 Seat Gp
1105265 Seat Gp
6i5381 Seat As
1216960 Seat Gp
4i0313 Protection Gp-Vandalism
0875864 Support Gp-Seat
1225272 Support Gp-Seat
4i9797 Suspension As
4i0559 Tank As
8r1774 Bottle Gp-Windshield Washer
1102541 Valve Ar-Overload Warning
11***89Wiring Group-Load Indicator1
11***90Switch Group-Pressure1
11***41Valve Ar-Overload Warning1
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6c8618 Visor Gp-Protective
6c8620 Shade Gp-Sun
6c8890 Washer Gp-Windshield
4i6966 Window As-Door
6c9075 Window Gp
6c8659 Windshield Gp
4i6978 Windshield Gp
6c8433 Wiper & Washer Gp
1094223 Wiper Gp
4i6977 Wiper Gp
08***02Clip1
09***61Strap; (Cable)1
09***30Cap1
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1094223 Wiper Gp-Upper
6c8658 Wiper Gp-Upper
Power Train
9u2065 Drive Gp-Swing
7y1244 Drive Gp-Swing
1111216 Drive Gp-Swing
7y0367 Final Drive Gp
7Y***67Drive Group-Travel Motor & Final1
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7y1527 Fastener Gp
7Y***27Fastener Group-Swing & Final Dr1
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7y0368 Final Drive Gp-Part 1 Of 2
7y0368 Final Drive Gp-Part 2 Of 2
1028352 Motor & Mounting Gp
7y4299 Motor & Mounting Gp
7y4288 Motor & Mounting Gp
7y4260 Motor Gp-Piston-Slipper-Part 2 Of 2*R
7y4260 Motor Gp-Piston-Slipper-Part 1 Of 2*R
1028353 Motor Gp-Piston-Part 1 Of 2
1028353 Motor Gp-Piston-Part 2 Of 2
5i8728 Motor Gp-Piston-Slipper-Part 2 Of 2*R
5i8728 Motor Gp-Piston-Slipper-Part 1 Of 2*R
7y0369 Sprocket Gp-Non-Segmented
4i1024 Valve Gp-Brake
5i8641 Valve Gp-Cushion Relief
4i7788 Valve Gp-Relief
5i3097 Valve Gp-Relief
7y4403 Valve Gp-Train Control
7Y***03Valve Group-Travel Counterbalance1
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Service Equipment And Supplies
1064422 Conversion Ar
1080567 Lubricant Gp-Part 2 Of 3
1080566 Lubricant Gp-Part 2 Of 3
1080566 Lubricant Gp-Part 3 Of 3
1080566 Lubricant Gp-Part 1 Of 3
1080568 Lubricant Gp-Part 1 Of 3
1080567 Lubricant Gp-Part 3 Of 3
1080568 Lubricant Gp-Part 2 Of 3
1080567 Lubricant Gp-Part 1 Of 3
1080568 Lubricant Gp-Part 3 Of 3

325 LN serial number reference

On the 325 LN the PIN plate is a stamped metal tag riveted to the upper structure, normally on the right-hand side near the cab or on the frame just below the cab window; some units carry a duplicate plate inside the cab by the operator's seat or right foot area. The prefix is the first three characters of the PIN (letters/numbers before the running serial digits, e.g. 3LL in 3LL00001) and identifies the specific production/plant block; the digits after it are the individual machine's sequence number, not a date code.

PrefixIdentifies
2SK325 LN
3LL325 LN

Frequently asked questions

What engine does the Caterpillar 325 LN excavator use?

The 1991-1998 325 LN runs the Caterpillar 3116 turbocharged diesel inline-six. It is mechanically governed, with no engine control module, and is rated at about 125 kW (168 hp) gross.

What is the operating weight of the Caterpillar 325 LN?

Operating weight runs about 26.5 tonnes (58,400 lb), varying with bucket, stick length and counterweight configuration.

What replaced the Caterpillar 325 LN?

Caterpillar replaced the 325 LN with the 325B LN in 1998, which carried a turbocharged, aftercooled Cat 3116TA engine as part of a distinct later generation.

What 325 LN owners discuss

What do mechanics say about the 325 LN's Cat 3116 engine day to day?
This early 325 LN runs a fully mechanical, mechanically-governed 3116 diesel with no engine computer, and mechanics generally like that there is no sensor network to chase - if it runs rough or loses power, the cause is almost always fuel-related (injection pump timing, governor linkage, or worn injectors) rather than electronic. The trade-off reported is that the mechanical governor and unit injectors need factory timing tools to synchronize correctly; a shop that sets it up by feel typically leaves the engine down on power or hard to start. A recurring wear item on this engine is oil-cooler O-ring seepage around the cooler housing, which shows up with age and is a straightforward reseal rather than a major repair, and injector tip O-rings are an expected long-term wear part. Have your dealer verify injection pump timing and governor adjustment if the engine seems persistently down on power - this is not a shade-tree fuel-system job.
Are there known swing/hydraulic quirks owners report on this machine?
A parked machine with a swing brake that will not release is one of the more common complaints reported on this engine and hydraulic platform. The brake is spring-applied and pilot-pressure released, so before suspecting a bad brake pack or motor, technicians check the swing-lock switch, related fuses and relays, and pilot pressure to the brake release circuit - a weak pilot signal or an open swing-lock circuit can mimic a hydraulic failure. If a swing complaint shows up alongside metal or brass fines in the hydraulic filters, that combination points to internal wear inside the swing motor or reduction gearbox rather than a simple seal or valve problem. Have your dealer verify swing brake release pressure and inspect the motor before returning the machine to service - an intermittently sticking swing brake is a hazard to anyone working near the house.
What's distinctive about the LN undercarriage and what wear patterns should owners watch for?
"LN" on this platform designates the long, narrow-gauge undercarriage option for the 1990s 325/325L generation - a stretched track frame paired with a narrower track gauge and heavier-duty undercarriage components, sized to keep stability while still meeting a reduced transport width. Wear patterns reported for the platform are the same ones flagged on any excavator this size and age: uneven wear across rollers, idlers and sprockets, looseness in track tension, and oil seepage at the final-drive seal are read as signs of a hard working life rather than an LN-specific fault. Because the undercarriage components fitted to this variant are heavier-duty than the standard-gauge machine's, a track set that already shows heavy wear is considered a stronger red flag on an LN than on a base 325.
Does the engine quirk list change across the different 325 LN generations?
Yes, and mixing them up leads to bad troubleshooting. This original 325 LN (built through the 1990s) uses the mechanically-governed, turbocharged 3116 with no engine computer - simple and rebuildable, but dependent on correct mechanical injection-pump and governor setup. Later 325-family LN variants moved to different, electronically-controlled engines with their own sensor and ECM diagnostics, so complaints tied to those newer machines (fault-code-driven power loss, sensor faults, aftercooled engine behavior) do not carry over to this early mechanical-engine generation, and the mechanical 3116's timing and governor sensitivities do not apply to the later electronic engines either. Confirm which engine generation is actually installed before applying troubleshooting steps pulled from a forum thread or manual for a different 325 LN model year.
What electrical or sensor issues come up most on this generation?
The electrical system on this era is comparatively simple since there is no engine ECM, but the instrument monitor and gauge panel going dark or reading erratically is a recurring complaint. The usual cause reported is corrosion or a poor connection in the main wiring harness or its connectors rather than a failed gauge cluster itself, so checking fuses, relays and harness connectors for corrosion is the first troubleshooting step before replacing the panel. Intermittent swing-lock or pressure-switch signals are also linked to the same harness-corrosion pattern rather than an actual hydraulic fault, which is worth ruling out before chasing a swing problem into the hydraulic system.
What should I check before buying a used 325 LN?
Inspectors and owners consistently flag the same points on a machine this age: hydraulic pump compartment for leaks, main pump and control pressure at operating temperature, slew ring play by rotating the house and watching for movement, and pin and bushing wear through the boom, stick and bucket linkage. Walk the undercarriage for uneven roller, idler and sprocket wear, correct track tension, and any oil seepage at the final drives. Check engine exhaust color, oil condition and blow-by, and confirm the monitor panel and full wiring harness work without corrosion-related dropouts. Because this is an older mechanically-governed engine, also ask for injection pump and governor service history, since a poorly-tuned fuel system is a recurring complaint on this platform. Have your dealer verify hydraulic pump output and slew ring condition before purchase - both are costly to repair and hard to judge from a static walk-around.
Any cold-weather starting quirks specific to this generation?
Because the 3116 on this generation is mechanically governed with no factory electronic cold-start strategy, cold starting relies on the intake air heater or glow plug system and correct starting-fluid technique rather than any computer-managed pre-heat cycle. Technicians caution against combining starting fluid with a functioning intake heater at the same time, and recommend only short bursts of starting fluid while actively cranking, never as a primer beforehand. A weak battery or a marginal intake air heater is reported as the most common cause of hard cold starts on this generation, ahead of an actual fuel system fault.

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

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