Caterpillar 322 L
Caterpillarexcavator

Caterpillar 322 L

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 322 L is a medium-class hydraulic excavator designed for heavy earthmoving, trenching, and civil infrastructure. This series is powered by the Caterpillar 3116T engine, a six-cylinder turbocharged unit providing approximately 152.9 hp (net) at 1950 rpm. The machine typically operates in a weight range of roughly 52,800 lb to 54,851 lb, depending on specific configuration and counterweight options. Available in various boom and stick configurations—including mono boom options with arm lengths ranging from 2000 mm to 2950 mm—the 322 L is engineered for high productivity across diverse jobsite requirements.

Across its production generations, the 322 L evolved through different serial prefixes, such as the 8CL and 9RL series, incorporating improvements in hydraulic control and structural durability. The transition from earlier iterations to later models like the 322C L introduced enhanced features such as hydraulic cross-sensing systems and improved boom/stick regeneration circuits for reduced cycle times. Today, the 322 L remains a significant presence in the used equipment market due to its robust 3116 engine and reliable hydraulic architecture, making it a primary target for fleet owners seeking dependable performance with accessible parts availability.

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 322 L specifications

Engine

Model3116T
Gross Power152.9 hp
Power @ RPM1950 rpm
Displacement6600 cu in
Cylinders6

Weights

Operating Weight54,851.1 lb (24,883 kg)
Ground Pressure6.83 psi

Dimensions

Shipping Length33.17 ft (10.11 m)
Shipping Height10.27 ft (3.13 m)
Width to Outside of Tracks10.47 ft (3.19 m)
Length of Track on Ground12.57 ft (3.83 m)
Track Shoe Width23.63 in (600 mm)

Performance

Max Digging DepthVaries by configuration: 19.23 ft (5.86 m) to 22.02 ft (6.71 m)
Max Reach Along GroundVaries by configuration: 29.86 ft (9.10 m) to 32.85 ft (10.01 m)
Max Loading HeightVaries by configuration: 20.41 ft (6.22 m) to 22.05 ft (6.72 m)
Max Cutting HeightVaries by configuration: 30.71 ft (9.36 m) to 31.76 ft (9.68 m)
Max Travel Speed3.42 mph
Hydraulic Pump Flow Capacity108.4 gal/min

Service capacities (summary)

Fuel Tank Capacity97.8 gal
Hydraulic System Fluid Capacity71.4 gal

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

322 L fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)9.07 L (2.4 gal) to 21.5 L (5.7 gal), varies by configuration/seriesCAT DEO SAE 15W-40, SAE 10W-30; CAT DEO-ULS SAE 15W-40 and 10W-30; CAT DEO-ULS Cold Weather SAE 0W-40 for cold weather applications
Cooling system8.33 L (2.2 gal) to 38 L (10 gal), varies by configuration/seriesNot specified
Fuel tank90 gal (340 L) to 132 gal (500 L), varies by configuration/seriesNot specified
Hydraulic system total AND hydraulic tank64.7 L (17.1 gal) to 71.4 L (18.9 gal), varies by configuration/seriesCAT HYDO Advanced
Final drive (each)5 L (1.3 gal) to 10 L (2.6 gal), varies by configuration/seriesNot specified
Swing drive8 L (2.1 gal) to 10 L (2.6 gal), varies by फीसद configuration/seriesNot specified
Grease (spec only)Not specifiedCAT Multipurpose Grease; CAT Advanced 3Moly Grease; CAT Ultra 5Moly Grease; CAT Desert Gold Grease for hot-weather applications; CAT Arctic Platinum Grease for cold-weather applications; CAT White Assembly Grease (Lithium Complex)

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

Caterpillar 322 L maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level and condition
  • Inspect hydraulic fluid level via sight glass
  • Verify coolant level and cap integrity
  • Drain water from fuel/water separator
  • Inspect air filter restriction indicator
  • Check for visible fluid leaks under machine
Every 250 h
  • Change engine oil and filter
  • Grease all boom, stick, bucket, and swing points
  • Drain fuel/water separator
  • Perform visual inspection of belts and hoses
  • Check air filter primary element
Every 500 h
  • Replace fuel filters
  • Replace hydraulic return filter
  • Perform battery service and terminal check
  • Conduct detailed undercarriage inspection
  • Test coolant additive/SCA levels
Every 1,000 h
  • Perform hydraulic oil sample analysis (S.O.S)
  • Service final drive oil
  • Inspect turbocharger for wear or leaks
  • Check torque on ROPS bolts
  • Measure undercarriage component wear
Every 2,000 h
  • Change hydraulic system oil
  • Perform coolant flush and replacement
  • Conduct comprehensive structural weld inspection
  • Evaluate major machine components
  • Replace worn belts and hoses

Servicing the 322 L beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Caterpillar S.O.S services to monitor the 3116 engine oil and hydraulic fluid for wear metals like iron or copper. Regular analysis of coolant is critical to detect sodium or glycol leaks before they cause liner pitting. For the 322 L, tracking particle counts in hydraulic oil helps prevent catastrophic pump failure. Always use S.O.S sampling ports located on the machine to ensure accurate diagnostic reports for engine and hydraulic systems.

Corrective & Common Repairs

Monitor hydraulic hoses for cracks or abrasion to prevent high-pressure leaks in the main implement system. Frequent checks of pins and bushings at attachment points are necessary to prevent excessive play. If fuel/water separator contamination occurs, inspect the entire fuel system for debris. For 322 L units, ensure that any replacement hydraulic return filters meet factory specifications to avoid pressure drops or valve damage during heavy digging cycles.

Overhaul & Rebuild Points

Major component evaluation should occur at the 2000-hour interval. Focus on inspecting turbocharger integrity and checking torque on structural ROPS bolts. During undercarriage rebuilds, measure sprocket and track shoe wear to determine replacement timing. For the 322 L powertrain, evaluate final drive oil condition and gear wear. Comprehensive structural inspections of boom and stick welds are essential to identify fatigue before cracks compromise machine safety or productivity.

Seasonal & Environment Servicing

In high-dust or quarry environments, check the air filter daily and consider shortening replacement intervals from 1000 hours to 500 hours. Clean radiator and oil cooler fins frequently to prevent overheating in hot climates. During winter operations, ensure the cooling system is properly treated with Extended Life Coolant (ELC) to prevent freezing. Always inspect track tension and shoe condition after operating in muddy or abrasive terrain to mitigate accelerated undercarriage wear.

322 L fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
322Engine stop switchFaulty or activated engine shutdown switchInspect engine stop switch functionality and wiring
323Engine stop indicator lightMalfunction in the engine shutdown lamp circuitCheck indicator bulb and circuit continuity
324Alarm lampFault in the warning lamp/alarm systemInspect alarm lamp and associated wiring
325Ignition detonationDetonation caused by the ignition systemInspect ignition system components for faults
327Incorrect number of detonation sensorsSensor mismatch or failure in the knock sensor circuitVerify detonation sensor count and connection integrity
328Incorrect number of engine cylindersCylinder detection error or sensor failurePerform engine cylinder diagnostic check
329Communication fault / Error LinkData link failure or communication error between modulesCheck CAN bus wiring and termination resistance

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

322 L attachments & work tools

Buckets

Available in General Purpose (GP), Ditch Cleaning (DC), Heavy-Duty Rock (HDR), Heavy-Duty (HD), and Heavy-Duty Power (HDP) configurations. Options include reinforced edges and specialized designs for finishing or rock work.

Hydraulic hammers

Factory installed hammer circuits are available as attachments. The machine supports hammer work with specific stick configurations like the R2.5S.

Quick couplers

The Pin Grabber Plus and Dedicated Hydraulic Quick Coupler are used to enable rapid change over of work tools in the field.

Thumbs/grapples

Factory installed thumb circuits are available. The machine can also utilize rotators and grapples as part of its work tool selection.

Rippers

Rippers are listed as a compatible attachment for this machine class.

Hydraulic-kit notes

The optional Tool Control System can configure hydraulic flow and pressure to match specific tools. Auxiliary hydraulic valves are standard on certain configurations to support optional circuits like hammers or brush cutters.

All 322 L assemblies by section

Every catalogued assembly group for the Caterpillar 322 L. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
7y0413 Air Cleaner Gp
7y1591 Mounting Gp-Air Cleaner
7Y***91Air Cleaner Group; (Air Cleaner)1
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1n4877 Cover Gp-Inlet Manifold
7c3335 Lines Gp-Air
4i7582 Lines Gp-Air
7y1594 Lines Gp-Drain
6i2298 Manifold Gp-Exhaust
4w3480 Manifold Gp-Inlet
4W***80Manifold Group-Inlet; Inlet Manifold Group1
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7y1534 Muffler Gp
4p5863 Turbocharger Gp
4p7709 Turbocharger Gp
Basic Engine
2w9608 Camshaft Gp
4w3462 Carrier Gp-Seal
4W***62Carrier Group-Seal; Carrier Group (Seal)1
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4w2108 Cover Gp-Cylinder Block
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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7c5826 Cylinder Block Gp
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
9y8871 Cylinder Head Gp
9y8850 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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4w5428 Drive Gp-Water Pump
4W***28Drive Group-Water Pump; Water Pump 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-Engine
1099301 Mounting Gp-Engine
10***01Mounting Group-Engine; (Engine)1
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7y1593 Mounting Gp-Engine
7Y***93Mounting Group-Engine; (Engine)1
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4w0269 Pan Gp-Oil
1077546 Piston & Rod Gp
10***46Piston & 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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1099346 Pulley Gp-Fan & Alt Drive
4w5429 Pulley Gp-Crankshaft
4W***29Pulley Group-Crankshaft; Crankshaft Pulley Group1
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7c6077 Rocker Arm Gp
1077722 Rocker Arm Gp
4w1016 Seal Gp-Crankshaft
1154203 Seal Gp-Crankshaft
2w9607 Valve Mechanism Gp
2W***07Valve Mechanism Group; Fuel Pump And Valve Mechanism Group1
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Cooling System
4e2913 Cooler Gp-Engine Oil
1156951 Cooler Gp-Engine Oil
7i1903 Cooling Ar
10***22Door Group1
10***46Pulley Group1
13***72Control Group1
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4i7581 Fan Gp-Suction
1189916 Fan Gp-Suction
7c1567 Lines Gp-Water
4w7589 Pump Gp-Water
7c4508 Pump Gp-Water
4i7590 Radiator & Hyd Oil Cooler Gp
4i7583 Radiator & Hyd Oil Cooler Gp
Electrical And Starting System
3e6328 Alarm Gp
3E***28Alarm Group; -Caterpillar Monitoring System-Action1
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5i8354 Alarm Gp-Travel
9w3043 Alternator Gp-Charging
9W***43Alternator Group-Charging; (24-Volt, 52-Ampere)1
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7e7276 Alternator Gp-Charging
1114716 Battery & Wiring Gp Part 2 Of 2
1114716 Battery & Wiring Gp Part 1 Of 2
5i8399 Cable As-Battery & Wiring
5i8397 Cable As-Battery & Wiring
5i8396 Cable As-Battery & Wiring
7y3947 Cable As-Battery & Wiring
5i8398 Cable As-Battery & Wiring
7y3946 Cable As-Battery & Wiring
1327772 Control Gp-Electronic
1060136 Control Gp-Electronic
10***36Control Group-Electronic; (Electronic)1
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7y5500 Control Gp-Electronic
1147143 Converter Gp-Electrical
7y8105 Harness As
7y3868 Harness As
1933461 Harness As-Part 3 Of 3
5i8216 Harness As
1027874 Harness As
7y3921 Harness As
1060033 Harness As
1114712 Harness As
5i8374 Haness As
1114701 Harness As-Part 1 Of 2
1160244 Harness As
5i8215 Harness As
1933461 Harness As-Part 2 Of 3
1027902 Harness As
1933461 Harness As-Part 1 Of 3
1027872 Harness As
1114701 Harness As-Part 2 Of 2
5i8375 Harness As
5i8268 Harness As
4p9146 Sensor Gp-Engine
5i8251 Lamp Gp-Flood
5i8250 Lamp Gp-Flood
7y5449 Lighting Gp-Chassis
5i8355 Lighting Gp-Boom
5i8356 Lighting Gp-Boom
5i8351 Lighting Gp-Boom
5I***51Lighting Group-Boom; Lighting Gp- (Boom Lh)1
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7y8189 Lighting Gp-Cab
1028049 Mounting Gp-Control
1211061 Panel Gp-Circuit Breaker
7c4028 Solenoid Gp-Shutoff
4i7586 Starting Aid Gp-Ether
6v5720 Starting Motor Gp-Electric-Part 2 Of 2
6V***20Starting Motor Group-Electric; (Electric)1
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7c0747 Starting Motor Gp-Electric
7C***47Starting Motor Group-Electric; Starting Motor Group (Electric) (24v)1
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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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8c4774 Starting Motor Gp-Electric
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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6v5720 Starting Motor Gp-Electric-Part 1 Of 2
6V***20Starting Motor Group-Electric; (Electric)1
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1083858 Starting Motor Gp-Electric
7n8008 Switch As-Toggle
6t9442 Switch As
4i5389 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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7y5465 Switch As
3t4405 Switch As-Toggle
3T***05Switch As-Toggle; (Local, Remote Throttle)1
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7n0719 Switch As-Disconnect
7N***19Switch Group-Disconnect; -Battery1
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9g7641 Switch Gp-Heat Start
9G***41Switch Group-Start; -Engine, Key-Vims Service1
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5i8357 Wiring Gp-Fine Swing
1027873 Wiring Gp-Hammer
5i8352 Wiring Gp-Cold Weather
5i8353 Wiring Gp-Refueling Pump
7y3816 Wiring Gp-Cab
4i5379 Wiring Gp-Console
4I***79Wiring Group-Console; Wiring Gp-Console (Rh)1
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5i8248 Wiring Gp-Console
7y5581 Wiring Gp-Console
4I***79Wiring Group-Console; Wiring Gp-Console (Rh)1
5I***48Wiring Group-Console1
7Y***81Wiring Group-Console1
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7y8102 Wiring Gp-Lower Wiper
Engine Arrangement
1011683 Engine Ar-Part 2 Of 3
10***83Engine Ar1
11***51Cooler Group-Engine Oil1
1N***77Breather Group; Breather Group1
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1011683 Engine Ar-Part 3 Of 3
10***83Engine Ar1
10***95Control Group; (Fuel Injection)1
10***25Governor Group-Unit Injector1
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4i7587 Fan Engine Ar
10***83Engine Ar1
11***16Fan Group-Suction; (Suction)1
4I***81Fan Group-Suction; (Suction)1
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1011683 Engine Ar-Part 1 Of 3
10***27Pulley Group; (Fan & Alt Drive)1
10***83Engine Ar1
10***39Piston & Rod Group; Connecting Rod And Piston Group6
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4i7588 Installation Ar-Engine
10***01Mounting Group-Engine; (Engine)1
4I***82Lines Group-Air; (Air)1
4I***83Radiator Group1
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Frame And Body
1089826 Box & Mounting Gp
1097571 Box & Mounting Gp
1097526 Box Gp-Storage
1185985 Box Gp-Storage
1225225 Box Gp-Storage
1097525 Box & Mounting Gp
1097572 Box Gp-Storage
7i1886 Counterweight Gp
7i1885 Counterweight Gp
1089822 Door Gp-Hood
1024994 Door Gp-Hood
1024989 Door Gp-Hood
7i7044 Frame As-Undercarriage
7i7050 Frame As-Undercarriage
7i6950 Frame Gp-Upper
7i7650 Gear & Bearing Gp
1107166 Gear & Bearing Gp
11***66Gear & Bearing Group1
11***67Gear & Bearing Group1
11***83Seal (1100 cm) (Order By The Centimeter)0
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7i1906 Guard Ar-Bottom
7I***06Guard Ar-Bottom1
7I***83Guard Group1
7Y***96Guard Group-Swivel; (Swivel)1
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1552907 Guard Gp-Track Guide
7i5058 Guard Gp-Track Motor
7i6483 Guard Gp-Bottom
7i7058 Guard Gp-Track Motor
7i1887 Guard Gp-Bottom
7y2296 Guard Gp-Swivel
7i7062 Guard Gp-Track Guide
7i7063 Guard Gp-Track Guide
7i7061 Guard Gp-Track Guide
7i7059 Guard Gp-Track Motor
0873670 Handhold Gp
1225116 Handhold Gp
7i1888 Hood & Guard Gp-Part 2 Of 3
7i1888 Hood & Guard Gp-Part 1 Of 3
7i1888 Hood & Guard Gp-Part 3 Of 3
7i6430 Hood Gp Engine
1225147 Idler Gp-Front
1156337 Idler Gp-Front
1225146 Idler Gp-Front
7i7706 Idler Gp-Front
1171373 Link As-Track
1171374 Link As-Track
7i7721 Roller Ar-Track & Carrier
7i7722 Roller Ar-Track & Carrier
8e5600 Roller Gp-Track Carrier
8E***00Roller Group-Track Carrier; (Track Carrier)1
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6i9396 Roller Gp-Track Single Flange
6I***96Roller Group-Track-Single Flange1
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7i7724 Track Adjuster & Recoil Gp
7i7711 Track Adjuster & Recoil Gp
7i7709 Track Adjuster & Recoil Gp
1028166 Track Adjuster & Recoil Gp
1028167 Track Adjuster & Recoil Gp
7i7710 Track Adjuster & Recoil Gp
6i9443 Track Gp
11***74Link As-Track1
6I***43Track Group1
6I***53Shoe-Track51
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6i9448 Track Gp
11***73Link As; (Track)1
6I***48Track Group1
9W***61Nut - Track (M20x1.5-6g Thd)188
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6i9444 Track Gp
11***74Link As-Track1
6I***44Track Group1
6I***54Shoe-Track51
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6i9445 Track Gp
11***74Link As-Track1
6I***45Track Group1
9W***61Nut - Track (M20x1.5-6g Thd)204
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6i9449 Track Gp
11***73Link As; (Track)1
6I***49Track Group1
6I***53Shoe-Track47
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6i9450 Track Gp
11***73Link As; (Track)1
3W***19Cable Assem.188
6I***50Track Group1
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Fuel System
1051695 Control Gp-Fuel Injection
7w6989 Control Gp-Fuel Injection
7W***89Control Group-Fuel Injection; Fuel Injection Control Group1
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5i8346 Control Gp Governor
7e8794 Drive Gp-Governor & Fuel Pump Part 1 Of 2
7E***94Drive Group-Gov & Transfer Pump1
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7e8794 Drive Gp-Governor & Fuel 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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6i2693 Filter Gp-Fuel
6I***93Filter Group-Fuel; Fuel Filter Group (2z F3772-Up)1
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9y0283 Fitting Gp-Fuel
4p5746 Control As-Fuel Ratio
6i4267 Governor Gp-Unit Injector Part 2 Of 2
6i4267 Governor Gp-Unit Injector Part 1 Of 2
1011925 Governor Gp
10***59Governor Group-Unit Injector; (Unit Injector)1
10***25Governor Group-Unit Injector1
7W***12Fastener Group-Governor; Fastener Group(Governor) (~1c K5811)1
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1011559 Governor Gp-Unit Injector
10***59Governor Group-Unit Injector; (Unit Injector)1
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7i1579 Lines Gp-Fuel
4p9695 Lines Gp-Fuel Filter
4p9693 Lines Gp-Fuel Ratio Control
7w8434 Lines Gp-Governor Oil
7W***34Lines Group-Governor Oil; Governor Oil Lines Group1
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7i1902 Pump Ar-Fuel Transfer
10***71Box & Mounting Group1
4I***01Pump Group-Fuel Transfer1
5I***53Wiring 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 Prm & Prime Filter Part 1 Of 2
4P***06Pump Group-Fuel Prm & Prim Filter1
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4p7206 Pump Gp-Fuel Prm & Prime Filter Part 2 Of 2
4P***06Pump Group-Fuel Prm & Prim Filter1
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4i2901 Pump Gp-Fuel Transfer
7i6390 Separator Gp-Water
5c0746 Strainer As
7i1687 Tank & Mtg Gp-Fuel
1225186 Tank Gp-Fuel
7i0850 Tank Gp-Fuel
Hydraulic System
0874454 Accumulator Gp
08***54Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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5i8416 Accumulator Gp
5I***16Accumulator 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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4i1536 Accumulator Gp
4I***36Accumulator Group-Hydraulic; -Charged-Pilot Oil1
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1185930 Cylinder & Lines Gp
11***30Bucket Cylinder Group-Lines &; (Bucket)1
11***31Bucket Cylinder Group-Seal &; (Bucket)1
4I***05Lines Group-Bucket Cylinder; (Bucket Cylinder)1
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4i1875 Cylinder & Lines Gp-Bucket
08***99Bucket Cylinder Group-Seal &; (Bucket)1
4I***05Lines Group-Bucket Cylinder; (Bucket Cylinder)1
4I***75Bucket Cylinder Group-Lines &; (Bucket)1
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0874899 Cylinder & Seal Gp-Bucket
08***99Bucket Cylinder Group-Seal &; (Bucket)1
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1185931 Cylinder & Seal Gp-Bucket
11***31Bucket Cylinder Group-Seal &; (Bucket)1
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7i8351 Control Ar-Auxiliary
11***45Control Group-Hydraulic1
7I***97Film1
7I***46Lines Group1
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7i8350 Control Ar-Auxiliary
11***45Control Group-Hydraulic1
7I***99Film Group1
7I***44Lines Group1
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7i8352 Control Ar-Auxiliary
10***18Film Group1
11***45Control Group-Hydraulic1
7I***48Lines Group1
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1105645 Control Gp-Hydrualic
1110945 Control Gp-Pilot Operated Hyd
11***45Control Group-Pilot Operated Hydraulic1
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1105610 Control Gp-Pilot Operated Hyd
11***10Control Group-Pilot Operated Hydraulic1
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1110946 Control Gp-Pilot Operated Hyd
11***46Control Group-Pilot Operated Hydraulic1
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7y0461 Coupling Gp-Pump
0995693 Cover Gp-Pump Control
0875552 Cylinder & Seal Gp-Bucket
08***52Cylinder & Seal Group; (Bucket)1
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1052627 Cylinder & Lines Gp-Stick
10***88Cylinder & Seal Group1
10***04Lines Group1
10***27Cylinder & Lines Group1
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1052626 Cylinder & Lines Gp-Boom
10***71Cylinder & Seal Group2
10***18Lines Group; (Boom Cylinder)1
10***26Cylinder & Lines Group1
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1052628 Cylinder & Lines Gp-Bucket
10***97Cylinder & Seal Group; (Bucket)1
10***06Lines Group1
10***28Cylinder & Lines Group1
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1052571 Cylinder & Seal Gp-Boom
1052588 Cylinder & Seal Gp-Stick
1052597 Cylinder & Seal Gp-Bucket
10***97Cylinder & Seal Group; (Bucket)1
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7y5150 Cylinder Gp-Bucket
1107101 Drive Gp-Swing
7y1244 Drive Gp-Swing
1225121 Drive Gp-Swing
4i3741 Filter Gp-Hydraulic
4I***41Filter Group-Hydraulic; -Hydraulic1
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1076402 Head Gp-Pump Control
1225108 Head Gp-Pump Control
1140666 Head Gp-Pump Control
1225107 Head Gp-Pump Control
1140670 Head Gp-Pump Control
0874754 Head Gp-Pump Control
1057512 Head Gp-Pump Control
7i8354 Installation Ar
10***73Wiring Group1
7I***53Lines Group-Pilot; (Pilot)1
7I***54Installation Ar1
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7i8353 Installation Ar
7I***51Lines Group-Front; (Front)1
7I***52Lines Group-Pilot; (Pilot)1
7I***53Installation Ar1
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7i8615 Lines Ar-Auxiliary Hydraulic
7I***57Lines Group1
7I***15Lines Ar1
7I***16Boom Group1
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7i8611 Lines Ar-Auxiliary Hydraulic
7I***63Lines Group-Auxiliary Hydraulic; (Auxiliary Hydraulic)1
7I***11Lines Ar1
7I***12Stick Group1
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7i8484 Lines Ar-Auxiliary Hydraulic
7I***55Lines Group1
7I***84Lines Ar1
7I***85Boom Group1
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7i8618 Lines Ar-Auxiliary Hydraulic
7I***63Lines Group-Auxiliary Hydraulic; (Auxiliary Hydraulic)1
7I***18Lines Ar1
7I***19Stick Group1
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7i8487 Lines Ar-Auxiliary Hydraulic
7I***59Lines Group1
7I***87Lines Ar1
7I***88Stick Group1
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7i8359 Lines Gp-Auxiliary Hydraulic
7i8358 Lines Gp-Auxiliary Hydraulic
1048890 Lines Gp-Boom
7i7827 Lines Gp-Track Motor
7i8421 Lines Gp-Stick
7i8420 Lines Gp-Stick
1096081 Lines Gp-Auxiliary Hydraulic
1096082 Lines Gp-Stick
1048893 Lines Gp-Stick
1052604 Lines Gp-Stick Cylinder
7i7848 Lines Gp-Front
1052606 Lines Gp-Bucket Cylinder
7i7846 Lines Gp-Front
1052618 Lines Gp-Boom Cylinder
7i8357 Lines Gp-Auxiliary Hydraulic
1048891 Lines Gp-Boom
7i7844 Lines Gp-Front
1096080 Lines Gp-Auxiliary Hydraulic
7i8355 Lines Gp-Auxiliary Hydraulic
7i8422 Lines Gp-Stick
1049212 Lines Gp-Stick
1116465 Lines Gp-Stick
7i8363 Lines Gp-Auxiliary Hydraulic
7I***63Lines Group-Auxiliary Hydraulic; (Auxiliary Hydraulic)1
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7i8364 Lines Gp-Auxiliary Hydraulic
7I***64Lines Group-Auxiliary Hydraulic1
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7i8360 Lines Gp-Auxiliary Hydraulic
7I***60Lines Group-Auxiliary Hydraulic1
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7i8356 Lines Gp-Auxiliary Hydraulic
7I***56Lines Group-Auxiliary Hydraulic1
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4i1005 Lines Gp-Bucket Cylinder
4I***05Lines Group-Bucket Cylinder; (Bucket Cylinder)1
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7i7851 Lines Gp-Front
7i7831 Lines Gp-Front
7i7852 Lines Gp-Pilot
1116523 Lines Gp-Pilot
7i7847 Lines Gp-Pilot
7i7870 Lines Gp-Pilot
7i7854 Lines Gp-Pilot
7i7849 Lines Gp-Pilot
7i7850 Lines Gp-Pilot
7i7874 Lines Gp-Pilot
7i7845 Lines Gp-Pilot
7i7853 Lines Gp-Pilot
7i7833 Lines Gp-Pump
7i7832 Lines Gp-Return & Filter
1048892 Lines Gp-Stick
7i7830 Lines Gp-Swing Motor
7i7828 Lines Gp-Track Motor
1077021 Motor & Mtg Gp-Swing
1289000 Motor & Mtg Gp-Travel
0874826 Motor & Mtg Gp-Travel
1077029 Motor Gp-Piston
0874827 Motor Gp-Piston-Part 2 Of 2
0874827 Motor Gp-Piston-Part 1 Of 2
1140507 Motor Gp-Piston
1020944 Mounting Gp-Valve
6e4816 Plug Gp
6E***45Seal-O-Ring1
6E***46Plug Group-Control Valve1
6E***93Plug Group-Control Valve1
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6e4793 Plug Gp
4i7580 Pump & Mounting Gp
7i7590 Pump Gp-Double-Piston
0854923 Pump Gp-Gear
1038264 Pump Gp-Gear
08***23Pump Group-Gear1
08***27Pump Group-Gear1
10***64Pump Group-Gear1
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0874727 Pump Gp-Gear
0874718 Pump Gp-Hydraulic
1140667 Pump Gp-Hydraulic
1140603 Pump Gp-Double-Piston
0874782 Rotating Gp-Pump
0874781 Rotating Gp-Pump
0874780 Rotating Gp-Pump
4i6262 Rotor Gp-Swivel
4I***62Rotor Group-Swivel1
4I***63Rotor Group-Swivel; (Swivel)1
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4i6263 Rotor Gp-Swivel
4i8969 Screen Gp
7y4800 Swivel Gp
1140503 Tank & Filter Gp-Hydraulic
7i7824 Tank & Mtg Gp-Hydraulic
1140508 Valve & Mtg Gp-Swing Motor
11***08Valve & Mounting Group; (Reverse Swing Damping)1
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7i7873 Valve Ar
5I***57Wiring Group1
7I***24Valve Group-Solenoid1
7I***73Valve Ar1
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7i7871 Valve Ar-2 Ways
11***84Valve Group-Pilot; -Alt Pattern Control, 2-Way1
7I***18Film Group1
7I***54Lines Group-Pilot; (Pilot)1
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1117923 Valve Gp
1195356 Valve Gp-Traction Control
1140510 Valve Gp-Relief
1117925 Valve Gp
1303378 Valve Gp
1303376 Valve Gp
4i1024 Valve Gp-Brake
4i0890 Valve Gp-Check
1038207 Valve Gp-Check
7i8136 Valve Gp-Check
4i6301 Valve Gp-Check & Relief
1303282 Valve Gp-Control
1303381 Valve Gp-Control
1165837 Valve Gp-Control
1165836 Valve Gp-Control
1057313 Valve Gp-Flow Control
5i4323 Valve Gp-Flow Control
4i7836 Valve Gp-Flow Control
4I***36Valve Group-Flow Control; -Pilot Oil-Drain, Boom Ii1
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1303383 Valve Gp
1051876 Valve Gp
1110942 Valve Gp-Manifold & Reducing
1105621 Valve Gp-Pilot
0875163 Valve Gp-Pilot
1105620 Valve Gp-Pilot
4i0894 Valve Gp-Pilot
5i4086 Valve Gp-Pilot
0875675 Valve Gp-Pilot
1185984 Valve Gp-Pilot
11***84Valve Group-Pilot; -Alt Pattern Control, 2-Way1
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1211814 Valve Gp-Pilot
6i6934 Valve Gp-Pilot
5i8691 Valve Gp-Pilot
1105608 Valve Gp-Pilot
6e4298 Valve Gp-Pressure Control
6e4281 Valve Gp-Pressure Control
1057464 Valve Gp-Relief
5i3097 Valve Gp-Relief
1027773 Valve Gp-Relief
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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1092667 Valve Gp-Relief
10***67Valve Group-Relief; -Negative Flow Control1
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6e5234 Valve Gp-Relief
6E***29Valve Group-Relief1
6E***34Valve Group-Relief; (Auxiliary Over-Load)1
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6e5229 Valve Gp-Relief
6e2471 Valve Gp-Pilot Relief
6E***71Valve Group-Relief; (Pilot Relief)1
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1077033 Valve Gp-Relief
6i6899 Valve Gp-Relief
0875054 Valve Gp-Selector
08***54Valve Group-Selector; -Hydraulic Lockout1
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7y5005 Valve Gp-Solenoid
7i0124 Valve Gp-Solenoid
7y4403 Valve Gp-Traction Control
7Y***03Valve Group-Travel Counterbalance1
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Implements
9w8565 Sidecutter Gp-Blade
9W***65Sidecutter Group-Blade; Sidecutter Gp-Blade1
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9w8566 Sidecutter Gp-Combination
7y3475 Adjuster Gp-Bucket
7Y***75Adjuster Group-Bucket; -C-Family1
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7y2219 Adjuster Gp-Bucket
7Y***19Adjuster Group-Bucket; -B-Family1
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7y3476 Adjuster Gp-Bucket
7Y***76Adjuster Group-Bucket; -D-Family1
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1024699 Boom Ar-1 Piece
10***69Boom Ar, Name-Plate (Name Of Machine: Ex600h)1
10***91Lines Group1
10***26Cylinder & Lines Group1
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1024698 Boom Ar-1 Piece
10***98Boom Ar1
10***90Lines Group1
10***26Cylinder & Lines Group1
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7i7067 Boom Gp
7i7065 Boom Gp
7i8816 Boom Gp
7i8485 Boom Gp
6i5025 Bucket & Adjuster Gp
5I***93Bucket As; (Excavation)1
6I***25Bucket & Adjuster Group1
7Y***76Adjuster Group-Bucket; -D-Family1
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6i5005 Bucket & Adjuster Gp
6I***05Bucket & Adjuster Group1
7I***93Bucket As1
7Y***19Adjuster Group-Bucket; -B-Family1
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6i5004 Bucket & Adjuster Gp
6I***04Bucket & Adjuster Group1
7I***92Bucket As1
7Y***19Adjuster Group-Bucket; -B-Family1
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7i7077 Bucket & Adjuster Gp
10***71Bucket As-Excavation; (Excavation)1
7I***77Bucket & Adjuster Group1
7Y***75Adjuster Group-Bucket; -C-Family1
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1102116 Bucket & Adjuster Gp
11***13Bucket As1
11***16Bucket & Adjuster Group1
7Y***19Adjuster Group-Bucket; -B-Family1
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1102117 Bucket & Adjuster Gp
11***14Bucket As; -B-Family1
11***17Bucket & Adjuster Group; -Excavation, B-Family1
7Y***19Adjuster Group-Bucket; -B-Family1
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6i5069 Bucket & Adjuster Gp
10***21Bucket As; (Excavation)1
6I***69Bucket & Adjuster Group1
7Y***76Adjuster Group-Bucket; -D-Family1
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7i7078 Bucket & Adjuster Gp
10***23Bucket As-Excavation; (Excavation)1
7I***78Bucket & Adjuster Group1
7Y***75Adjuster Group-Bucket; -C-Family1
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7i7076 Bucket & Adjuster Gp
10***79Bucket As-Excavation; (Excavation)1
7I***76Bucket & Adjuster Group1
7Y***75Adjuster Group-Bucket; -C-Family1
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5i3493 Bucket As-Excavation
5i3483 Bucket As-Excavation
7i6693 Bucket As-Excavation
1102113 Bucket As-Excavation
1102114 Bucket As-Excavation
7i6692 Bucket As-Excavation
1035121 Bucket As-Excavation
1098723 Bucket As-Excavation
10***23Bucket As-Excavation; (Excavation)1
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1079979 Bucket As-Excavation
10***79Bucket As-Excavation; (Excavation)1
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1098471 Bucket As-Excavation
10***71Bucket As-Excavation; (Excavation)1
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1078471 Bucket As-Excavation
10***71Bucket As-Excavation; (Excavation)1
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6i5026 Bucket & Adjuster Gp
5I***83Bucket As; (Excavation)1
6I***26Bucket Group-Adjuster &1
7Y***76Adjuster Group-Bucket; -D-Family1
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1132126 Lines Gp-Grease
7i7066 Lines Gp-Grease
7i7068 Lines Gp-Grease
1024700 Linkage Ar-Bucket
10***00Linkage Ar1
10***28Cylinder & Lines Group1
7I***74Linkage Group-Bucket; (Bucket)1
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0873699 Linkage Ar-Bucket
08***99Linkage Ar-Bucket1
08***12Linkage Group-Bucket; (Bucket)1
4I***75Bucket Cylinder Group-Lines &; (Bucket)1
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7y0085 Linkage Ar-Bucket
08***52Cylinder & Seal Group; (Bucket)1
7Y***85Linkage Ar-Bucket1
7Y***16Linkage Group-Bucket; (Bucket)1
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0875912 Linkage Gp-Bucket
7i7074 Linkage Gp-Bucket
7y2216 Linkage Gp-Bucket
7y0366 Sidecutter Gp
7Y***66Sidecutter Group; -C-Family, D-Family1
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7y0729 Sidecutter Gp
1024702 Stick Ar-Hoe
10***02Stick Ar1
10***93Lines Group1
7I***72Stick Group-Hoe; (Hoe)1
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1024701 Stick Ar-Hoe
10***01Stick Ar1
10***92Lines Group-Stick; (Stick)1
7I***70Stick Group-Hoe; (Hoe)1
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1024705 Stick Ar-Hoe
10***05Stick Ar1
10***12Lines Group - Stick1
7I***71Stick Group-Hoe; (Hoe)1
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1024719 Stick Ar-Hoe
10***19Stick Ar1
10***34Stick Group-Hoe; (Hoe)1
11***65Lines Group - Stick1
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7i8488 Stick Gp
7i8619 Stick Gp
7i8612 Stick Gp
7i7071 Stick Gp-Hoe
7i7070 Stick Gp-Hoe
1098534 Stick Gp-Hoe
7i7072 Stick Gp-Hoe
8e0840 Tip Gp
4t2215 Tip Gp-Wide
9w6472 Tip Gp
3g3236 Tip Gp-Penetration
9w6473 Tip Gp
8e0839 Tip Gp
3g3237 Tip Gp-Penetration
8e0837 Tip Gp-Abrasion
8E***37Tip Group-Abrasion; -J-400, Heavy-Duty1
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8e3756 Tip Gp-Abrasion
8E***56Tip Group-Abrasion; -J-300, Heavy-Duty1
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8e3757 Tip Gp-Abrasion
8E***57Tip Group-Abrasion; -J-350, Heavy-Duty1
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8e3752 Tip Gp-Long
8E***52Tip Group-Long; -J-350, Heavy-Duty1
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8e3751 Tip Gp-Long
8E***51Tip Group-Long; -J-300, Heavy-Duty1
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8j4955 Tip Gp-Long
8e0834 Tip Gp-Long
9j3167 Tip Gp-Long
6y5472 Tip Gp-Long
6Y***72Tip Group-Long; -J-400, Heavy-Duty1
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9w9188 Tip Gp
9W***88Tip Group-Penetration; -Sharp Center1
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9w9189 Tip Gp
9W***89Tip Group-Penetration; -Sharp Corner1
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8e0838 Tip Gp-Penetration
9j3175 Tip Gp-Short
8e0835 Tip Gp-Short
8j4954 Tip Gp-Short
8e0836 Tip Gp-Wide
8j4953 Tip Gp-Wide
Lubrication System
1n3477 Breather Gp
9y1052 Filter Gp-Engine Oil
6i1546 Fumes Disposal Gp
4p4439 Gauge Gp-Oil Level (Dipstick)
4P***39Gauge Group-Oil Level (Dipstick); Oil Level Gauge Group (Dipstick)1
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4i8628 Lines Gp-Drain
4w2914 Lines Gp-Engine Oil
7c2476 Lines Gp-Turbocharger Oil
4w2195 Pump Gp-Engine Oil
4W***95Pump Group-Engine Oil; Engine Oil Pump Group1
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2w8625 Pump Gp-Engine Oil
1192924 Pump Gp-Engine Oil
Operator Station
1059369 Air Conditioner Ar
10***59Compressor Group-Refrigerant; (Refrigerant)1
10***69Air Conditioner Ar1
10***70Condenser & Mtg Group1
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1059406 Air Conditioner Gp
4i4388 Assist Gp-Windshield
4i0457 Bottle Gp-Windshield Washer
6i5444 Box Gp-Storage
1132841 Cab Gp (Basic)-Part 2 Of 2
1028316 Cab Gp
1028320 Cab Gp (Basic)
1186094 Cab Gp (Basic) Part 1 Of 2
1028322 Cab Gp
1186095 Cab Gp (Basic)
1186093 Cab Gp (Basic)
1028319 Cab Gp
1225340 Cab Gp (Basic)
1132841 Cab Gp (Basic)-Part 1 Of 2
1186094 Cab Gp (Basic) Part 2 Of 2
1028317 Cab Gp (Basic)
1028323 Cab Gp (Basic)
1132840 Cab Gp (Basic)-Part 2 Of 2
1132842 Cab Gp (Basic)-Part 1 Of 2
1225341 Cab Gp (Basic)-Part 1 Of 2
1132842 Cab Gp (Basic)-Part 2 Of 2
1225341 Cab Gp (Basic)-Part 2 Of 2
1132840 Cab Gp (Basic)-Part 1 Of 2
1186096 Cab Gp (Basic)-Part 1 Of 2
1186096 Cab Gp (Basic)-Part 2 Of 2
1023859 Compressor Gp-Refrigerant
10***59Compressor Group-Refrigerant; (Refrigerant)1
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1059370 Condenser & Mtg Gp-Air Cond
1059372 Air Conditioner & Mounting Gp
1105623 Console Gp-Part 2 Of 2
7y3152 Console Gp-Part 1 Of 2
1105623 Console Gp-Part 1 Of 2
7y3152 Console Gp-Part 2 Of 2
1105641 Console Gp-Operator
4i6631 Cover Gp-Storage
4i6973 Door Gp-Cab
4i6974 Door Gp-Cab
4i1170 Duct Gp-Air
4I***70Duct Group-Air; Duct Gp-Air (Basic)1
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4i0491 Duct Gp-Air
4I***91Duct Group-Air; Duct Gp-Air (Heater)1
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7i0262 Duct Gp-Air
7I***62Duct Group-Air; Duct Gp-Air (Air Conditioner)1
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0875873 Duct Gp-Defrost
08***73Duct Group-Defrost; Duct Gp-Defrost (Basic)1
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1089829 Guard Ar-Vandalism
10***26Box & Mounting Group1
10***29Guard Ar1
5I***41Guard Group-Vandalism1
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5i3241 Guard Gp-Vandalism
6i5468 Guard Gp-Window
4i1273 Hatch Gp
4i4204 Hatch Gp
7y9548 Headrest As-Seat
4i1275 Heater Gp
0875871 Heater Gp
08***71Heater Group-Cab; Heater Gp (Basic)1
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7i0261 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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7y5578 Horn Gp-Electric
1059371 Lines Gp-Air Conditioner
7i7030 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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1097504 Mirror Gp-Rear View
1225322 Motor As-Windshield Wiper
4i5019 Motor As-Windshield Wiper
7y8104 Mounting Gp-Radio
1105624 Platform Gp-Operator
5i3651 Seat Ar
6i5382 Seat As
5i3648 Seat Gp
7y3286 Seat Gp
6i5381 Seat As
1007677 Seat Gp
5i3650 Seat Gp
1059434 Seat Gp-Heated
1007728 Seat Gp-Heated
1186088 Seat Gp-Heated
1007678 Seat Gp-Heated
1007729 Seat Gp-Heated
1225272 Support Gp-Seat
0875864 Support Gp-Seat
4i9797 Suspension As-Seat
4i0559 Tank As-Windshield Washer
8r1774 Bottle Gp-Windshield Washer
6i5438 Visor Gp-Cab
6i5387 Visor Gp-Protection-Rain
1028311 Visor Gp-Protection
4i4712 Washer Gp-Windshield
4I***12Washer Group-Window; (Windshield)1
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4i4319 Washer Gp-Windshield
Ri6966 Window As-Door
6i5141 Windshield Gp
6i5147 Wiper & Washer Gp
4i4711 Wiper Ar-Lower
4I***11Wiper Ar-Lower1
4I***12Washer Group-Window; (Windshield)1
6I***47Wiper & Washer Group1
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4i6977 Wiper Gp-Windshield
10***81Screw-Truss Head1
12***22Motor As1
4I***39Blade As-Wiper; (450-mm)1
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Power Train
7i7731 Fastener Gp-Swing & Final Dr
7i7705 Final Dr Gp
7I***05Final Drive Group; Drive Gp-Final1
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7i7704 Final Drive Gp
7y1605 Sprocket Gp-Non-Segmented
Service Equipment And Supplies
7i1697 Film Gp
7i1699 Film Gp
1225288 Film Gp
1025418 Film Gp
1225287 Film Gp
7i0718 Film Gp
7i1889 Plate & Film Gp-Part 2 Of 2
7i1890 Plate & Film Gp-Part 1 Of 2
7i1889 Plate & Film Gp-Part 1 Of 2
7i1890 Plate & Film Gp-Part 2 Of 2
7y0060 Tool Gp

322 L serial number reference

Locate the machine ID plate on the outer frame of the excavator. The prefix is the first three alphanumeric characters of the Product Identification Number (PIN).

PrefixIdentifies
9RL322 L (9RL Series)

Frequently asked questions

What engine powers the Caterpillar 322 L?

The Caterpillar 322 L is powered by the Caterpillar 3116T engine, a six-cylinder turbocharged diesel engine.

What is the operating weight of this excavator?

The operating weight varies by configuration and serial range, with documented values ranging from approximately 52,800 lb to 54,851.1 lb.

What model replaced the 322 L series?

The 322C L represents a later evolution in this machine class, featuring updated hydraulic systems and engine configurations.

What 322 L owners discuss

What are the common causes for an engine ECM error or irregular battery voltage warnings on a 322C L?
Loose connections at the alternator frequently cause these electrical issues. Ensure system voltage does not exceed 30 volts. Low battery voltage or charging faults can also trigger Engine ECM communication errors, which may prevent the ECM from identifying the specific underlying problem.
What is a frequent failure point in Caterpillar excavator track drive motors?
A common issue involves leaks occurring between the sprocket and the rear side of the hydraulic motor. This is typically caused by a failed floating face seal, also known as a duo-cone or mechanical face seal.
What should be checked if a 322L experiences fuel leakage codes?
The most common cause for fuel leakage codes is the fuel sending unit becoming stuck on the rod. Other frequent issues include a failing lift pump or a leaking fuel filter allowing air into the system.
What are the known engine characteristics and maintenance considerations for the 322 L series?
The 322 L (specifically serial prefix 9RL) is powered by the 3116 Engine. For general Caterpillar engine maintenance, using clean fuel and air is critical to extending engine life. When using Caterpillar fluids, use DEO or DEO-ULS diesel engine oil. Avoid exceeding 10% cross-contamination when switching between different hydraulic oils to prevent valve clogging and pump damage.
What should a buyer inspect regarding the hydraulic system of a used 322L?
Check for signs of cavitation, which can be caused by low hydraulic oil levels. Inspect the hydraulic return filter (capsule type) and ensure the system is not experiencing pressure drops. If counter-rotation is non-functional while forward/reverse travel works, inspect the swivel joint that allows drive fluid to flow to the travel motors.

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

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