Caterpillar 983B
Caterpillartrack-type loadertrack loader

Caterpillar 983B

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 983B is a heavy-duty track-type loader produced between 1978 and 1982. As the largest track loader in the Caterpillar lineup at its launch, it belongs to the 900 series lineage, succeeding the original 983. The machine features a 3406 direct injection diesel engine delivering 2-series 275 HP (flywheel) and utilizes a three-speed full powershift transmission. Available in configurations including open ROPS with a general purpose bucket or enclosed cab with a ripper and rock bucket, the 983B operates with a weight range of approximately 35 to 38.5 tons (70,000–85,000 lbs) depending on attachments.

The transition from the 983 to the 983B introduced critical upgrades, specifically replacing the precombustion chamber engine with a more efficient direct injection 3406 variant and increasing bucket capacity from 4.5 to 5 cubic yards. This machine remains significant in the used market due to its specialized capability in quarries and severe service environments where wheel loaders cannot operate. Its heavy-duty construction, featuring parallel linkage lift arms and pedal steering, makes it a sought-after unit for demolition and bulk earthmoving applications.

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 983B specifications

Engine

ModelCaterpillar 3406T
Configuration6-cylinder, inline turbocharged, direct injection diesel
Net Power275 HP (275 FWHP) @ 2060 rpm
Displacement893 cu in (14.63 L)

Weights

Operating Weight (Standard)78,530 lb (35,621 kg)
Operating Weight (with Rock Bucket & Ripper)38.5 tons (34,927 kg)

Dimensions

Length (without ripper)20 ft (6.1 m)
Length (with bucket on ground)22.25 ft (6.78 m)
Width (to outside of tracks)9.52 ft (2.9 m) to 12 ft 1 in (0.03 m)
Height (to top of ROPS)12 ft (3.66 m)
Ground Clearance1.97 ft (0.6 m)
Track Gauge92 in (2.34 m) to 92.13 in (2.34 m)
Track Shoe Width22 in (0.56 m) to 22.05 in (0.56 m)

Performance

Top Speed (Forward)7 mph (11.27 km/h) to 7.4 mph (11.91 km/h)
Top Speed (Reverse)8 mph (12.87 km/h)
TransmissionCaterpillar barrel type planetary powershift, 3F/3R
Static Tipping Load48,680 lb (22,079 kg)
Breakout Force (Standard Bucket)43,850 lb (19,892 kg)

Blades/Buckets

Bucket Capacity (Heaped)4.9 yd³ (3.75 m³) to 5 yd³ (3.83 m³)
Bucket Capacity (Struck)3.8 yd³ (2.90 m³)
Bucket TypesSpade-nose rock, straight edge general purpose, or heavy duty general purpose

Service Capacities

Fuel Capacity510.3 L (134.8 gal)
Hydraulic System Fluid Capacity38.1 gal (144.2 L)
Cooling System Fluid Capacity23 gal (87.1 L)
Engine Oil Capacity10.9 gal (41.3 L)
Final Drive Fluid Capacity (Each)8.5 gal (32.2 L)

Other Technical Details

Serial Number Prefix58X
Steering TypePedal steering with two multi-disc pack clutches
Recommended Engine OilCat DEO, Cat DEO-ULS (SAE 15W-40, SAE 10W-30)
Recommended Hydraulic OilCat HYDO Advanced

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

983B fluids & capacities

SystemCapacityRecommended fluid
Engine Crankcasenot specifiedCat DEO (SAE 15W-40 or SAE 10W-30 preferred for ambient temperatures between -18°C and 40°C)
Transmission/Powertrain (Powershift)not specifiedCat TDTO
Final Drives (each)not specifiedCat TDTO
Hydraulic System/Tanknot specifiedCat HYDO Advanced

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

Caterpillar 983B 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
  • Monitor air filter restriction indicator
  • Inspect track tension and shoe condition
Every 250 h
  • Change engine oil and filter
  • Grease all pivot points including bucket and lift arms
  • Check fuel filter and water separator
  • Perform visual inspection of belts and hoses
  • Inspect air filter primary element
Every 500 h
  • Replace fuel filters
  • Replace hydraulic return filter
  • Perform battery service and terminal inspection
  • 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 leaks or play
  • Check torque on ROPS mounting bolts
  • Measure undercarriage wear components
Every 2,000 h
  • Change hydraulic system oil
  • Perform coolant flush and replacement
  • Service transmission system
  • Conduct comprehensive structural inspection
  • Evaluate major component wear

Servicing the 983B beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Caterpillar S.O.S Services to monitor the 3406 engine oil and hydraulic fluids. Analyze samples for wear metals like iron or copper, and check for contaminants such as silicon (dirt) or sodium (coolant). Regular analysis of transmission and final drive oil prevents catastrophic gear failure. Monitoring hydraulic oil particle counts ensures pump longevity and prevents valve damage caused by contamination.

Corrective & Common Repairs

Monitor the 983B's power shift transmission for smooth engagement; issues often stem from contaminated fluid or worn clutch packs. Inspect hydraulic hoses regularly for cracks or abrasion to prevent pump cavitation. If structural cracking is detected in lift arms, verify if the unit has been upgraded with laminated arms. Check track tensioners and rollers frequently to avoid expensive undercarriage rebuild costs caused by improper track adjustment.

Overhaul & Rebuild Points

Plan major overhauls around the 2,000-hour mark for hydraulic system flushes and transmission services. Evaluate the 3406 engine for turbocharger wear or injector issues during mid-life rebuild maintenance. When rebuilding the undercarriage, measure sprocket and roller wear to determine if full replacement is required. Comprehensive structural inspections should focus on the integrity of the non-oscillating track frame and all major pivot pins.

Seasonal & Environment Servicing

In high-dust or quarry environments, shorten air filter inspection intervals to daily and replace elements more frequently. Clean radiator and oil cooler fins daily to prevent overheating. For cold weather operations, utilize appropriate lubricants and ensure the 3406 engine reaches operating temperature before heavy loading. In hot climates, optimize hydraulic oil drain intervals to mitigate thermal degradation and maintain viscosity.

983B common service parts

Part numberPart
6V-1146Transmission FilterCheck fitment →

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983B fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
E360Engine Coolant Temperature — HighLow coolant level, failed thermostat, or water pump issueDiagnose cooling system; do not operate until resolved
E361Engine Coolant Temperature — Very High (Shutdown)Severe cooling system failureEngine shutdown required; perform full cooling system diagnosis
110-0Engine Coolant Temp — Above NormalLow coolant level or thermostat failureInspect cooling system, refill coolant, and test thermostat
110-3Engine Coolant Temp Sensor — Voltage HighOpen circuit or sensor failureCheck wiring and replace sensor if confirmed faulty
174-3Engine Fuel Temperature — Voltage Above NormalOpen circuit in sensor wiringInspect harness and replace sensor if necessary
190-8Engine Speed — Abnormal FrequencySpeed sensor air gap, sensor failure, or tone ring damageCheck sensor gap and test speed sensor and tone ring
41-38-Volt DC Supply — Voltage Above NormalShort to power on 8V reference circuitInspect sensors sharing the 8V supply and isolate fault
41-48-Volt DC Supply — Voltage Below NormalShort to ground on 8V reference circuitDisconnect sensors one at a time to locate short

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

983B attachments & work tools

Blades

Available in 5 cubic yard (3.82 m³) capacities. Configurations include spade-nose rock buckets and straight edge heavy duty general purpose buckets.

Rippers

Rear-mounted ripper option available for specific configurations.

Winches

Hyster winch option available for this machine class.

Drawbars/counterweights

Standard configuration includes a rear-mounted counterweight. A 6,500 lb (2,948 kg) counterweight was used on the 983 series to maintain balance when no rear attachment was fitted.

Cab/ROPS guarding options

Available with open ROPS canopy or closed ROPS cab. Standard features include foot, hand, and safety rails.

Hydraulic arrangement notes

Equipped with an automatic bucket control system for pre-set dumping height and digging angle. Features detailed hydraulic lines and fully articulated lift arms.

All 983B assemblies by section

Every catalogued assembly group for the Caterpillar 983B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Basic Engine
6n4991 Camshaft Assembly
6n4992 Camshaft Group
6N***92Camshaft Group-Single; Camshaft Group1
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6n4484 Front Cover Group
9n15 Cylinder Block Cover Group
9N***15Cover Group-Cylinder Block; Cylinder Block Cover Group1
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6n7296 Valve Mechanism Cover Group
6N***96Cover Group-Valve Mechanism; Valve Mechanism Cover Group1
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2w440 Crankshaft Assembly
6n3907 Crankshaft Assembly
4n741 Crankshaft Group
4N***41Crankshaft Group; Crankshaft Group1
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2w1732 Crankshaft Group
2W***32Crankshaft Group; Crankshaft Group1
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4n2257 Cylinder Block Group
4N***57Cylinder Block Group; Cylinder Block Group1
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7n1203 Cylinder Block Group
4n2270 Cylinder Head Group
4N***70Cylinder Head Group; Cylinder Head Group1
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1w5281 Cylinder Head Group
7n1302 Cylinder Head Group
1w5678 Cylinder Head Group
4n1560 Damper Group
6n2211 Fan Drive Group
6n3884 Engine Support Group--Rear
6n3198 Flywheel Group
4n2274 Front Gear Group
4N***74Gear Group-Front Timing; Front Timing Gear Group1
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6n2213 Rear Gear Group
6N***13Gear Group-Rear; Rear Gear Group1
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6n2212 Flywheel Housing Group
6N***12Housing Group-Flywheel; Flywheel Housing Group1
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4n3911 Front Housing Group
4N***11Housing Group-Front; Front Housing Group1
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4n2261 Engine Lifting Group
4n5617 Oil Pan Group
2w833 Connecting Rod & Piston Group--6 Required
2W***33Piston & Rod Group; Connecting Rod & Piston Group1
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7n3516 Connecting Rod & Piston Group--6 Required
7N***16Piston & Rod Group; Connecting Rod And Piston Group1
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7n3516 Rod And Piston Group--6 Required
7N***16Piston & Rod Group; Connecting Rod And Piston Group1
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7n3516 Connecting Rod And Piston Group--6 Required
7N***16Piston & Rod Group; Connecting Rod And Piston Group1
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4n1045 Rocker Arm Group
6n2209 Engine Support Group--Front
6n2210 Belt Tightner Group
4n2273 Trunnion Group
4N***73Trunnion Group-Engine; Trunnion Group1
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4n2271 Valve Mechanism Group
4N***71Valve Mechanism Group; Valve Mechanism Group1
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Cab, Gauges And Accessories
4v7849 Seat Adjuster Group
9p731 Air Conditioner Arrangement--Cools And Heats
2L***65Terminal; (10-Ga To 12-Ga)(Relay Switch "C" & "B")1
2L***75Terminal; (14-Ga To 16-Ga, No. 8 Screw)(Relay Switch "B" & "S")1
5P***23Wire 4.55m (Br/Bk2); (1-Conn. Ether Starting System Sending Unit / 1-Conn. Solenoid Valve Ether Start System)0
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8p2146 Air Conditioner Group--Part 2 Of 2--Type 2
8P***46Air Conditioner Group; Basic Air Conditioner Group1
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8p2146 Air Conditioner Group--Part 1 Of 2--Type 1
8P***46Air Conditioner Group; Basic Air Conditioner Group1
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9p5225 Air Conditioner Group
9P***25Air Conditioner Group; Air Conditioner And Heater Group1
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8p2146 Air Conditioner Group--Part 2 Of 2--Type 1
8P***46Air Conditioner Group; Basic Air Conditioner Group1
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8p2146 Air Conditioner Group--Part 1 Of 2--Type 2
8P***46Air Conditioner Group; Basic Air Conditioner Group1
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9p3788 Blower Assembly
9p724 Cab Heater Arrangement
8P***14Heater Group; Heater Group--Basic1
9P***24Cab Heater Arrangement1
9P***83Heater Lines Group1
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9p4039 Cab Pressurizer Group--Part 1 Of 2
9p4039 Cab Pressurizer Group--Part 2 Of 2
7n4296 Clutch & Refrigerant Compressor Group
7N***96Compressor Group-Clutch & Refrig1
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9p4317 Vandalism Guard Group--Instrument Panel--Replaced By 9g9222
9g9222 Vandalism Guard Group--Instrument Panel
8p6368 Harness Assembly
9p8674 Harness Assembly
8p4914 Heater Group--Type 2
8P***14Heater Group; Heater Group--Basic1
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8p4914 Heater Group--Type 1
8P***14Heater Group; Heater Group--Basic1
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9g3764 Cab Heater Group--Type 2
9g3764 Cab Heater Group--Type 1
9p8883 Heater Lines Group--Type 3
9p8883 Heater Lines Group--Type 1
9p8883 Heater Lines Group--Type 2
7n8292 Fuse Holder, Fuse And Wire Kit--Field Installation
9p723 Cab Liner Group
9P***23Liner Group-Cab; Cab Liner Group1
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9p730 Air Conditioner Lines Group--Type 1
9P***30Lines Group-Air Conditioner; Air Conditioner Lines Group1
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9p730 Air Conditioner Lines Group--Type 2
9P***30Lines Group-Air Conditioner; Air Conditioner Lines Group1
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9p9392 Mirror Group
9p729 Mounting Condenser Group--Part 2 Of 2
9p729 Mounting Condenser Group--Part 1 Of 2
9p5089 Basic Pressurizer Group
6n7651 Refrigerant Compressor Group
8p8149 Roll-Over Protective System Group
8P***49Roll-Over Protective Structure Group; Roll-Over Protective Structure Group--Open1
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9p5905 Roll-Over Protective System Arrangement--Open
8P***49Roll-Over Protective Structure Group; Roll-Over Protective Structure Group--Open1
9P***00Platform Support Group; Operator Platform Support Group1
9P***01Platform Group-Operator; Operator Platform Group1
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9p627 Roll-Over Protective Structure Group--Part 2 Of 3--Type 2
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 2 Of 3--Type 4
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 3 Of 3--Type 2
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 3 Of 3--Type 4
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 1 Of 3--Type 3
9P***27Rops Group; Roll-Over Protective Structure Group1
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9g627 Roll-Over Protective Structure Group--Part 3 Of 3--Type 3
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 1 Of 3--Type 4
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 2 Of 3--Type 3
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 3 Of 3--Type 1
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 1 Of 3--Type 1
9P***27Rops Group; Roll-Over Protective Structure Group1
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9p627 Roll-Over Protective Structure Group--Part 2 Of 3--Type 1
9P***27Rops Group; Roll-Over Protective Structure Group1
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3v8252 Suspension Seat Group
3V***52Seat Group-Suspension; Suspension Seat Group1
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4v8596 Seat Suspension Group--Part 2 Of 2
4v8596 Seat Suspension Group--Part 1 Of 2
9k682 Shaft And Link Assembly
8p7744 Support And Seat Group--Part 1 Of 2
8p7744 Support And Seat Group--Part 2 Of 2
5v4861 Seat Suspension Group--Part 1 Of 2--Type 2
5v4861 Seat Suspension Group--Part 2 Of 2--Type 2
5v4861 Seat Suspension Group--Part 1 Of 2--Type 1
5v4861 Seat Suspension Group--Part 2 Of 2--Type 1
8p7660 Warning And Gauge Group--Part 2 Of 2
8p7660 Warning And Gauge Group--Part 1 Of 2
9p9398 Sliding Window Assembly
9p4345 Windshield Washer Group
3t175 Wiper Group--Rear
7g3324 Wiper Group--Front And Rear--Part 1 Of 2--Type 2
7G***24Wiper Group; Windshield Wiper Group1
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7g3324 Wiper Group--Front And Rear--Part 2 Of 2--Type 2
7G***24Wiper Group; Windshield Wiper Group1
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1v3079 Wiper Group--Basic--Front--Replaced By 3t183 Shown On Page 252b
7g3324 Wiper Group--Front & Rear--Part 1 Of 2--Type 1
7G***24Wiper Group; Windshield Wiper Group1
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7g3324 Wiper Group--Front & Rear--Part 2 Of 2--Type 1
7G***24Wiper Group; Windshield Wiper Group1
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3t183 Wiper Group--Front
1v4358 Wiper Group--Basic--Rear--Replaced By 3t175 Shown On Page 252b
Chassis And Undercarriage
9p9199 Bottom Guard Group--Heavy Duty--Type 1
9p9199 Bottom Guard Group--Heavy Duty--Type 2
7g1782 Lift Cylinder Brace Group
9p698 Cab Mounting Group--Part 2 Of 2
9p698 Cab Mounting Group--Part 1 Of 2
7g5620 Counterweight Group--1616 Kg (3562 Pounds)
6p5737 Crankcase Guard Group
8p7667 Drawbar Group
8p7666 Fixed Counterweight Group
9p257 Fixed Counterweight Group--1034 Kg (2280 Pounds)
9p4542 Fixed Counterweight Group--580 Kg (1279 Pounds)
8p7658 Front Pull Hook Group
6p5743 Hood And Guard Group--Part 1 Of 2
6p5743 Hood And Guard Group--Part 2 Of 2
2p2616 Front Idler Group--Part 2 Of 3--Type 2
2p2616 Front Idler Group--Part 3 Of 3--Type 1
2p2616 Front Idler Group--Part 1 Of 3--Type 2
2p2616 Front Idler Group--Part 1 Of 3--Type 1
2p2616 Front Idler Group--Part 2 Of 3--Type 1
2p2616 Front Idler Group--Part 3 Of 3--Type 2
2p46 Front Idler Group--Part 3 Of 3
2p46 Front Idler Group--Part 1 Of 3
2p46 Front Idler Group--Part 2 Of 3
8p7675 Loader Frame Group
9p5902 Non-Rops Conversion Arrangement
9P***00Platform Support Group; Operator Platform Support Group1
9P***01Platform Group-Operator; Operator Platform Group1
9P***02Non-Rops Conversion Arrangement1
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9p5903 Non-Rops Mounting Conversion Arrangement
4J***19Spacer--Plate To Bevel Gear Case10
9P***02Plate--To Bevel Gear Case1
9P***03Non-Rops Mounting Conversion Arrangement1
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8p7665 Operator Platform Group--Side View--R.H.--Part 2 Of 3
8p7665 Operator Platform Group--Top View--Part 3 Of 3
8p7665 Operator Platform Group--Side View--Right Hand--Part 2 Of 3
8p7665 Operator Platform Group--Side View--L.H.--Part 1 Of 3
8p7665 Operator Platform Group--Side View--Left Hand--Part 1 Of 3
9p5901 Operator Platform Group
9P***01Platform Group-Operator; Operator Platform Group1
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9p5900 Platform Support Group
9P***00Platform Support Group; Operator Platform Support Group1
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8p7664 Platform Support Group
9s8222 Radiator Grill Hinged Plate Group
9S***22Radiator Grill Hinged Plate Group1
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8p3120 Radiator Guard Group
1p8700 Recoil Mechanism Guard Group
3g4934 Ripper Mounting Group
8p8150 Roll-Over Protective Structure Mounting Group
8P***50Roll-Over Protective Structure Mounting Group1
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9p734 Safety Brace Group
6n7748 Sandblast Grid Group
9p1440 Steel Mill Arrangement--With Fire Resistant Fluid
9P***05Hydraulic Arrangement; Hydraulic Arrangement--Fire Resistant Fluid1
9P***40Steel Mill Arrangement1
9P***41Steel Mill Arrangement; Steel Mill Traxcavator Arrangement1
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9p1441 Steel Mill Arrangement--Traxcavator
2H***34Seal Transfer Pump To Plate1
2P***16Idler Group; Front Idler Group1
2P***68Cap Assembly1
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8p7679 Steering Clutch Case Group
8p6256 Track Carrier Roller Group--4 Required
9p2663 Track Carrier Roller Group
9p6251 Track Group--483 Mm (19 In.) Flat Shoe--Sealed Non-Lubricated--2 Required
9p5374 Track Group--559 Mm (22 In.) Double Grouser Shoe--Sealed & Lubricated--2 Required
9p8193 Track Group--559 Mm (22 In.) Double Grouser Shoe--2 Required
3p3811 Track Guiding Guard Group
1p5692 Track Roller Frame Group
9p1451 Track Roller Group--Double Flange--8 Required
9p1515 Track Roller Group--Single Flange--6 Required
9P***15Track Roller Group; Track Roller Group--Single Flange1
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9p1452 Track Roller Group--Single Flange--6 Required
9p1514 Track Roller Group--Double Flange--8 Required
9P***14Track Roller Group; Track Roller Group--Double Flange1
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1p8713 Track Roller Guard Group
Cooling System
6n2910 Blower Fan Group
8n4990 Coolant Filter Group
4n729 Engine Oil Cooler Group
4N***29Cooler Group-Engine Oil; Engine Oil Cooler Group1
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6n2219 Transmission Oil Cooler Group
9n685 Cooling System Cover Group
9N***85Cover Group-Cooling System; Cooling System Cover Group1
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9s3837 Hydraulic Oil Cooler Group
6p5739 Hydraulic Oil Cooler Lines Group
6P***39Hydraulic Oil Cooler Lines Group1
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6n4155 Water Lines Group
6N***55Lines Group-Water; Water Lines Group1
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1p6262 Protective Cover Group--Radiator Cap
9n5035 Water Pump Group
2w3277 Water Pump Group
9n3161 Water Pump Group
9n3288 Water Pump Group
9N***88Pump Group-Water; Water Pump Group1
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6n4212 Radiator Group--End View - Part 2 Of 2
6n4212 Radiator Group--Side View - Part 1 Of 2
6n8993 Reversible Fan Group
Engine Arrangement
6n2222 Engine Arrangement--Part 2 Of 1
2N***20Breather Group; Breather Gp-Crankcase1
4N***29Cooler Group-Engine Oil; Engine Oil Cooler Group1
4N***35Pump Group-Engine Oil; Engine Oil Pump Group1
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6n2222 Engine Arrangement--Part 1 Of 1
2W***33Piston & Rod Group; Connecting Rod & Piston Group6
2W***32Crankshaft Group; Crankshaft Group1
4N***41Crankshaft Group; Crankshaft Group1
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Fuel System And Governor
9g8847 Protection Cap Group--Fuel Tank
9G***47Cap Group-Protection; Fuel Tank Protection Cap Group1
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8p456 Fuel Tank Protection Cap Group--Replaced By 9g8847 Shown On
8n9527 Fuel Heater Changeover Group--Field Installation
9n792 Fuel Ratio Control Group
9N***92Control Group-Fuel Ratio; Serial No. 92u45565 To 92u49768 Inclusive1
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6n651 Fuel Ratio Control Group
8n2222 Fuel Ratio Control Group
8N***22Control Group-Fuel Ratio; Fuel Ratio Control Group1
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4n4966 Fuel System Cover Group
4N***66Cover Group-Tachometer Drive; Tachometer Drive Cover Group1
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6n5202 Fuel Pump And Governor Drive Group
6N***02Drive Group-Governor & Fuel Pump; Fuel Pump & Governor Drive Group1
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4n1981 Fuel Filter Group
6n1044 Primary Fuel Filter Group
6N***44Filter Group-Primary Fuel; Primary Fuel Filter Group1
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6p5734 Fuel Lines Group
8p7661 Fuel Tank Group
8p7659 Governor Control Group--Part 1 Of 2
8p7659 Governor Control Group--Part 2 Of 2
7n2334 Governor Group--Part 1 Of 2
7n2334 Governor Group--Part 2 Of 2
6n4988 Fuel Filter Lines Group
6N***88Lines Group-Fuel Filter; Fuel Filter Lines Group1
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6n5012 Fuel Injection Lines Group
6N***12Lines Group-Fuel Injection; Fuel Injection Lines Group1
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7n1219 Fuel Injection Pump Group
7N***19Pump Group-Fuel Injection; Pump Group Fuel Injection1
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7n1256 Fuel Injection Pump Group
7N***56Pump Group-Fuel Injection; Fuel Injection Pump Group (D.I.)1
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4n3287 Fuel Priming Pump Group
4N***87Pump Group-Fuel Priming; Pump Group-Fuel Priming1
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4n3949 Fuel Transfer Pump Group
6n4437 Fuel Transfer Pump Group
6n2911 Governor And Fuel Pump Group
6N***11Pump Group-Governor Fuel; Governor And Fuel Pump Group1
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7n5970 Torque Control Group
Hydraulic System
9g9288 Protection Cover Group--Hydraulic Tank Cap
9G***88Protection Cover Group; -Hydraulic Tank-Steering Tank Fill Cap-Hydraulic Tank Fill Cap1
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9g2571 Basic Oil Filter Group
3g2747 Cartridge Group--189 L/Min--(50 Gpm)--For Field Replacement
3g7665 Cartridge Group--132 L/Min (35 Gpm)
3g7660 Cartridge Group--Front--189 L/Min (50 Gpm)
3G***60Cartridge Group; -Secondary Steering1
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3g2833 Cartridge Group--132 L/Min--(35 Gpm)--For Field Replacement
5d1910 Protection Cover Group--Hydraulic Tank Cap
5D***10Cover Group-Protection; Protection Cover Group Hydraulic Tank Cap1
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7j3246 Cylinder Group--(Change 1) 184.1 Mm (7.25 In.) Bore X 668.0 Mm (26.30 In.) Stroke
8p7646 Dump Kickout Group--Part 1 Of 2
8p7646 Dump Kickout Group--Part 2 Of 2
8p4509 Front Hydraulic Lines Group--Part 1 Of 2--Type 3
8p4509 Front Hydraulic Lines Group--Part 2 Of 2--Type 3
8p4509 Front Hydraulic Lines Group--Part 1 Of 2--Type 2
8p4509 Front Hydraulic Lines Group--Part 1 Of 2--Type 1
8p4509 Front Hydraulic Lines Group--Part 2 Of 2--Type 2
8p4509 Front Hydraulic Lines Group--Part 2 Of 2--Type 1
3g5870 Gear Pump Group--Basic
8p7671 Hydraulic Hand Control Group
9p5104 Hand Control Group--Front
9P***04Hand Control Group; Hand Control Group (Front)1
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9p5110 Hand Control Group--Front & Rear
9P***10Hand Control Group; Hand Control Group (Front & Rear)1
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9p5103 Hand Control Valve Group--Rear
9P***03Hand Control Valve Group; Hand Control Group (Rear)1
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9p1405 Hydraulic Arrangement--Fire Resistant Fluid--Type 2
3G***37Tilt Cylinder Group; Cylinder Group Tilt R.H.1
3G***44Tilt Cylinder Group; Tilt Cylinder Group R.H.1
3G***70Gear Pump Group1
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Hydraulic Arrangements
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
8P***09Front Hydraulic Lines Group1
9P***03Hand Control Valve Group; Hand Control Group (Rear)1
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9g2523 Hydraulic Lines Group
9p5167 Hydraulic Lines Guard Group
9j5130 Hydraulic Pump Group
6p5740 Hydraulic Pump Lines Group--Part 2 Of 2--Type 3
6p5740 Hydraulic Pump Lines Group--Part 2 Of 2--Type 2--Replaced By 8p7369 Shown On Page 199e
8p7369 Hydraulic Pump Lines Group--Part 1 Of 3--Type 2
6p5740 Hydraulic Pump Lines Group--Part 1 Of 2--Type 2--Replaced By 8p7369 Shown On Page 199e
6p5740 Hydraulic Pump Lines Group--Part 1 Of 2--Type 3
8p7369 Hydraulic Pump Lines Group--Part 2 Of 3--Type 1
8p7369 Hydraulic Pump Lines Group--Part 3 Of 3--Type 2
6p5740 Hydraulic Pump Lines Group--Part 2 Of 2--Type 1
6p5740 Hydraulic Pump Lines Group--Part 1 Of 2--Type 1
8p7369 Hydraulic Pump Lines Group--Part 2 Of 3--Type 2
8p7369 Hydraulic Pump Lines Group--Part 3 Of 3--Type 1
8p7369 Hydraulic Pump Lines Group--Part 1 Of 3--Type 1
8j6056 Lift Cylinder Group--(Change 0,1) (9k4586 N/S) L.H.--209.6 Mm (8.25 In.) Bore X 1077 Mm (42.40 In.) Stroke
8J***56Lift Cylinder Group; Lift Cylinder Group L.H.1
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8j6054 Lift Cylinder Group--(Change 1) (9k4588 N/S) L.H.--209.6 Mm (8.25 In.) Bore X 1077 Mm (42.40 In.) Stroke
8j6053 Lift Cylinder Group (Change 0,1) (9k4587 N/S) R.H.--209.6 Mm (8.25 In.) Bore X 1077 Mm (42.40 In.) Stroke
8j6055 Lift Cylinder Group--(Change 3,4) (9k4585 N/S) R.H.--209.6 Mm (8.25 In.) Bore X 1077 Mm (42.40 In.) Stroke
8J***55Lift Cylinder Group; Lift Cylinder Group R.H.1
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6p5738 Lift Cylinder Lines Group--Part 1 Of 2
6p5738 Lift Cylinder Lines Group--Part 2 Of 2
6p9089 Hydraulic Pump Lines Group--Part 1 Of 2
6p9089 Hydraulic Pump Lines Group--Part 2 Of 2
8p7672 Mechanical Kickout Group
8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluids--Part 1 Of 5--Type 1
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluids--Part 4 Of 5--Type 2
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluids--Part 3 Of 5--Type 2
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluid--Part 4 Of 5--Type 1
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank & Valve Group--Fire Resistant Fluids--Part 2 Of 5--Type 1
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluid--Part 5 Of 5--Type 1
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluids--Part 1 Of 5--Type 2
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluids--Part 3 Of 5--Type 1
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank & Valve Group--Fire Resistant Fluids--Part 2 Of 5--Type 2
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5821 Hydraulic Tank And Valve Group--Fire Resistant Fluid--Part 5 Of 5--Type 2
8J***21Tank & Valve Group; Valve And Tank Group1
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8j5824 Hydraulic Tank & Valve Group--With Auxiliary Cylinder Reliefs--Part 2 Of 6
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
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8j5822 Hydraulic Tank And Valve Group--Part 3 Of 5--End View
8j5824 Hydraulic Tank And Valve Group--With Auxiliary Cylinder Reliefs--Part 5 Of 6
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
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8j5822 Hydraulic Tank And Valve Group--Part 2 Of 5--End View
8j5822 Hydraulic Tank And Valve Group--Part 1 Of 5--Side View
8j5824 Hydraulic Tank And Valve Group--With Auxiliary Cylinder Reliefs--Part 4 Of 6
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
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8j5824 Hydraulic Tank And Valve Group--With Auxiliary Cylinder Reliefs--Part 6 Of 6
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
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8j5822 Hydraulic Tank And Valve Group--Part 5 Of 5--Bottom View
8j5824 Hydraulic Tank & Valve Group--With Auxiliary Cylinder Reliefs--Part 3 Of 6
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
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8j5824 Hydraulic Tank And Valve Group--With Auxiliary Cylinder Reliefs--Part 1 Of 6
8J***24Tank & Valve Group-Hydraulic; Valve & Tank Group With Auxiliary Cylinder Reliefs1
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8j5822 Hydraulic Tank And Valve Group--Part 4 Of 5
3g2342 Tilt Cylinder Group--(Chg. 0) (8k7789 N/S) R.H.--184.1 Mm (7.25 In.) Bore X 755.6 Mm (29.75 In.) Stroke
3g2343 Tilt Cylinder Group--(Change 0) (8k7790 N/S) L.H.--184.1 Mm (7.25 In.) Bore X 755.6 Mm (29.75 In.) Stroke
3g2344 Tilt Cylinder Group (Change 0) (8k8120 N/S) L.H.--184.1 Mm (7.25 In.) Bore 755.6 Mm (29.75 In.) Stroke
3G***44Tilt Cylinder Group; Tilt Cylinder Group R.H.1
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3g2337 Tilt Cylinder Group (Chg. 0,1) (8k8119 N/S) R.H.--184.1 Mm (7.25 In.) Bore X 755.6 Mm (29.75 In.) Stroke
3G***37Tilt Cylinder Group; Cylinder Group Tilt R.H.1
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8p7673 Tilt Cylinder Lines Group--Part 1 Of 2
8p7673 Tilt Cylinder Lines Group--Part 2 Of 2
6j9813 Control Valve Group
8j5823 Control Valve Group--Part 1
8j5823 Control Valve Group--Part 2
8j82 Pilot Valve Group
8j5820 Relief Valve Group--Pilot Operated
5j9106 Tilt Relief Valve Group
8j6089 Relief Valve Group
3g7641 Vane Pump Group--Hydraulic
Implements
3v4194 General Purpose Bucket Assembly--3.5 Cubic Meters (4.5 Cubic Yards)--3099 Mm (122 In.) Wide
3v4193 General Purpose Bucket Assembly--(3.9 Cubic Meters (5 Cubic Yards)--3099 Mm (122 In.) Wide
3v3342 Rock Loading Bucket Assembly
4v5288 Slag Bucket Assembly
8p3435 Bucket Control Group--Part 1 Of 2
8p3435 Bucket Control Group--Part 2 Of 2
9p9200 Bucket Control Group--Part 1 Of 2
9p9200 Bucket Control Group--Part 2 Of 2
3v3877 General Purpose Bucket Group--With Teeth--3.5 Cubic Meters (4.5 Cubic Yards)--
3V***77General Purpose Bucket Group1
3V***94Bucket As-General Purpose1
8J***72Tip Group-Long; -4 Required8
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3v3878 General Purpose Bucket Group--3.9 Cubic Meters (5 Cubic Yards)--3099 Mm
3V***78General Purpose Bucket Group1
3V***93Bucket As-General Purpose1
8J***72Tip Group-Long; -4 Required8
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7k3322 Ripper Arrangement
3g6290 Ripper Arrangement
3G***34Ripper Mounting Group1
3G***90Ripper Arrangement1
7J***46Cylinder Group1
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3v3356 Rock Bucket Group
3V***42Bucket As-Loading Rock1
3V***56Rock Bucket Group1
8J***72Tip Group-Long; -4 Required8
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4v3517 Slag Bucket Group
8j9172 Tip Group--Long--8 Required
8j9841 Tip Group--Short--6 Required
8j9171 Tip Group--Short
Intake And Exhaust
4n2720 Air Cleaner Group
6n3885 Air Lines Group
8n817 Turbocharger Cartridge Group--1w7212 Turbocharger Cartridge Group Is Available For Service Replacement
6n5247 Dust Ejector Group
6n2224 Air Lines Group
6N***24Lines Group-Air; Air Lines Group1
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6n2226 Turbocharger Oil Lines Group
6N***26Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group1
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4n754 Exhaust Manifold Group
7n4229 Inlet Manifold Group
7N***29Manifold Group-Inlet; Inlet Manifold Group1
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6n2223 Muffler Group
6n3536 Turbocharger Group--Replaced By 9l6308 Shown On Page 45
6N***36Turbocharger Group; Turbocharger Group1
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9l6308 Turbocharger Group
8n2132 Turbocharger Group--Replaced By 9l6308 Shown On Page 45
6n3536 Turbocharger Group
6N***36Turbocharger Group; Turbocharger Group1
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8n5277 Turbocharger Group
7n9478 Turbocharger Group--Field Installation
Lubrication System
2n8220 Breather Group
2N***20Breather Group; Breather Gp-Crankcase1
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4n2481 Oil Pump Mounting Fastener Group
4N***81Fastener Group-Oil Pump Mounting; Oil Pump Mounting Fastener Group1
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4n745 Engine Oil Filter Group
6n2217 Fumes Disposal Group
6N***17Fumes Disposal Group; Fumes Disposal Group1
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6n2215 Engine Oil Lines Group
6n2216 Oil Filler Group
6n2214 Oil Level Gauge Group
4n735 Engine Oil Pump Group
4N***35Pump Group-Engine Oil; Engine Oil Pump Group1
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Service Equipment And Supplies
9p2743 Fire Extinguisher Group--Type 2
9p2743 Fire Extinguisher Group--Type 1
9p3365 Fire Extinguisher Group--Type 1
9p3365 Fire Extinguisher Group--Type 2
Gasket Kits
5P***53Valve Grinding0
5P***57Kit-Gasket; (Single Cylinder Liner)(Single Cylinder Liner)0
5P***58Water Pump0
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8f9866 Grease Gun Group
3t8432 Fire Extinguisher Mounting Group
3T***32Mounting Group-Fire Extinguisher1
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Name Plates And Films
1P***76Film-Cat On Side Of Operator Compartment2
3H***42Plate--Serial Number (Track Loader); On Bevel Gear & Steering Clutch Case--Upper Rear Of L.H. Side1
3N***90Plate Serial Number; On R.H. Rear Bank Of Cylinder Block As Viewed From Rear Of Engine1
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9s7977 Hand Tool Group
Starting And Electrical System
6n9294 Alternator Group--Basic--Part 1 Of 2
6N***94Alternator Group; (24-Volt, 35-Ampere)1
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6n7360 Alternator Group
6n9294 Alternator Group--Basic--Part 2 Of 2
6N***94Alternator Group; (24-Volt, 35-Ampere)1
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7n9720 Alternator Group--24 Volt, 35 Ampere--Type 1
7N***20Alternator Group; Alternator Group (Robert Bosch)1
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7n9720 Alternator Group--24 Volt, 35 Ampere--Type 2
7N***20Alternator Group; Alternator Group (Robert Bosch)1
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6n9294 Alternator Group--24 Volt, 35 Ampere
6N***94Alternator Group; (24-Volt, 35-Ampere)1
7N***20Alternator Group; Alternator Group (Robert Bosch)1
9G***55Alternator Group-Charging1
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5s9088 Alternator Group--24 Volt--50 Ampere--Part 1 Of 2--Type 1
5s9088 Alternator Group--24 Volt--50 Ampere--Part 2 Of 2--Type 1
9g8255 Alternator Group--24 Volt, 35 Ampere--Part 1 Of 2
9g9538 Alternator Group--24 Volt, 50 Ampere
3t1888 Alternator Group--Delco-Remy--24 Volt, 50 Ampere--Part 2 Of 2
3T***88Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere1
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5s9088 Alternator Assembly--24 Volt, 50 Ampere--Type 2
3T***88Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere1
5S***88Alternator Group-Charging1
9G***38Alternator Group-Charging1
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6n8991 Alternator Arrangement--24 Volt--50 Ampere
5S***88Alternator Group-Charging1
6N***91Alternator Group-Charging1
9F***68Terminal 9.53 mm(.375 In.) Screw)1
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3t1888 Alternator Group--Delco-Remy--24 Volt, 50 Ampere--Part 1 Of 2
3T***88Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere1
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9g8255 Alternator Group--24 Volt, 35 Ampere--Part 2 Of 2
9p498 Back-Up Warning Group
8p7662 Battery And Wiring Group--24 Volt--Side View--Part 3 Of 5
8p7662 Battery And Wiring Group--24 Volt--Side View--Part 2 Of 5
8p7662 Battery And Wiring Groiup--24 Volt--Side View--Part 3 Of 5
8p7662 Battery And Wiring Group--24 Volt--Rear View Of Dash--Part 5 Of 5
8p7662 Battery And Wiring Group--24 Volt--Top View--Part 1 Of 5
8p7662 Battery And Wiring Group--24 Volt--Rear View Of Dash--Part 4 Of 5
6p6846 Transmission Hydraulic Control Group
6P***46Control Group-Transmission Hydraulic1
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8p1912 Drive Shaft Group
9p9502 Electric Starting Motor Group
9g9657 Engine Function Warning Group
8p7359 Ether Starting Aid Group
9p859 Transmission Filter Group
9P***59Filter Group-Transmission; -Transmission1
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2p3031 Final Drive Group--Part 1 Of 2
2p3031 Final Drive Group--Part 2 Of 2
6p8330 Gear Pump Group
6p8329 Gear Pump Group--Basic
7g2592 Gear Pump Group
9g9273 Harness Assembly
8p8015 Harness Assembly
9p2045 Harness Assembly
9P***45Harness As-Compressor; Compressor Harness Assembly1
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8p8006 Harness Assembly
1m1882 Flood Lamp Assembly--24 Volt
9m1305 Dash Lamp Assembly--24 Volt
8m7677 Dash Lamp Assembly--24 Volt
9p5544 Lighting Group--24 Volt--6 Lamp
7g3127 Lighting Group--24 Volt--6 Lamp
7g516 Lighting Group--24 Volt--4 Lamp
9p9503 Operator Warning Group
6p8515 Parts And Case Group
6p8838 Power Train Cooler Lines Group
8p7682 Power Train Oil Lines Group--Part 1 Of 3
8p7682 Power Train Oil Lines Group--Part 3 Of 3
8p7682 Power Train Oil Lines Group--Part 2 Of 3
8p4290 Magnetic Screen Group
9p9198 Segmented Sprocket Group
6p6847 Selector And Pressure Control Valve Group
6P***47Selector & Pressure Control Valve Group1
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6p6848 Selector & Pressure Control Valve Group
6P***48Selector & Pressure Control Valve Group1
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6p6847 Selector & Pressure Control Valve Group
6P***47Selector & Pressure Control Valve Group1
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7g9575 Selector And Pressure Control Valve Group
7G***75Selector And Pressure Control Valve Group1
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3t3369 Solenoid Switch Assembly--24 Volt
9s7976 Solenoid Assembly--24 Volt
3t3421 Solenoid Assembly
3t8635 Solenoid Switch Assembly--24 Volt
8p8121 Segmented Sprocket Group
4n1062 Electric Starting Motor Group
4N***62Starting Motor Group-Electric; Electric Starting Motor Group1
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4n957 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 3
9g5585 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 3 Of 3
4n1061 Electric Starting Motor Group
9g5585 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 3
9g5584 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2--Type 3
6n1888 Electric Starting Motor Group--Prestolite--24 Volt-Part 2 Of 2
9g5584 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2--Type 2
9g5585 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 3
9g5584 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2--Type 1
3t2649 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 3 Of 3
9g5584 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2--Type 1
6n9677 Electric Starting Motor Group--24 Volt--Part 2 Of 3
6n9677 Electric Starting Motor Group--24 Volt--Part 1 Of 3
6n1889 Electric Starting Motor Group--24 Volt
6N***89Starting Motor Group-Electric1
9G***84Starting Motor Group-Electric1
9G***85Starting Motor Group-Electric1
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9g5584 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2--Type 2
4n957 Electric Starting Motor Group--Delco Remy--24 Volt--Part 1 Of 3
3t2649 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 3
4n957 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 3 Of 3
6n1888 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
9g5584 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2--Type 3
6n9677 Electric Starting Motor Group--24 Volt--Part 3 Of 3
3t2649 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 3
7n718 Disconnect Switch Assembly
7N***18Switch As-Disconnect; -Battery-Ground Level1
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4m1812 Solenoid Switch Assembly
6n5123 Solenoid Switch Assembly
6p7589 Torque Converter Group--With Housing--Part 2
1t1015 Torque Converter Group
6p7589 Torque Converter Group--With Housing--Part 1
6p8516 Transfer Gear Group
6p8514 Transmission Arrangement
8p7681 Transmission Control Group--Part 2 Of 2
8p7681 Transmission Control Group--Part 1 Of 2
6p5616 Planetary Group--Part 3 Of 3
6p5616 Planetary Group--Part 1 Of 3
6p5616 Planetary Group--Part 2 Of 3
8p6846 Transmission Hydraulic Control Group
8P***46Transmission Hydraulic Control Group1
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7g2761 Transmission Pump And Lines Group--Part 2 Of 2
7G***61Transmission Pump And Lines Group1
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7g2761 Transmission Pump And Lines Group--Part 1 Of 2
7G***61Transmission Pump And Lines Group1
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9g7472 Unit Test Valve Group
8p1471 Relief Valve Group
8P***71Valve Group-Relief; -Torque Converter Outlet1
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9g7473 Selector And Pressure Control Valve Group
9p9201 Engine Function Warning Group--Type 2
9P***01Warning Group-Engine; Engine Function Warning Group1
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9p9201 Engine Function Warning Group--Type 1
9P***01Warning Group-Engine; Engine Function Warning Group1
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9p9201 Engine Function Warning Group--Type 3
9P***01Warning Group-Engine; Engine Function Warning Group1
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Steering Clutches And Brakes
1p4803 Brake Band And Lining Assembly
8p7677 Brake Hydraulic Mechanism Group--Part 1 Of 2
8P***77Brake Hydraulic Mechanism Group1
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8p7677 Brake Hydraulic Mechanism Group--Part 2 Of 2
8P***77Brake Hydraulic Mechanism Group1
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2p4040 Control Valve Group
8p7678 Steering Brake Group--Part 1 Of 4
8p7678 Steering Brake Group--Part 2 Of 4
8p7678 Steering Brake Group--Part 3 Of 4
8p7678 Steering Brake Group--Part 4 Of 4
8p7680 Steering Clutch Control Group
6p7216 Steering Clutch Group

983B serial number reference

The machine PIN is located on a durable metal identification plate, usually riveted to the outer frame. To read it, identify the first three alphanumeric characters as the prefix, which identifies the model and factory, followed by the sequence ID.

PrefixIdentifies
58X983B

Frequently asked questions

What engine is used in the Caterpillar 983B?

The 983B is powered by a Caterpillar 3406 direct injection, six-cylinder, inline turbocharged diesel engine, rated at 275 flywheel horsepower.

What is the operating weight of the 983B?

The operating weight varies by configuration; a standard unit weighs approximately 35 tons (70,000 lbs), while configurations with a rock bucket and ripper can reach 38.5 tons (77,000 lbs).

What machine replaced the 983B?

The 983B was discontinued in 1982, leaving the 973 hydrostatic drive model as the largest track loader in the Caterpillar range.

What 983B owners discuss

What are the primary engine differences between the original 983 and the 983B models?
The initial 983 series (38K prefix) utilized a Caterpillar D343T turbocharged six-cylinder diesel engine. The 983B model (58X prefix) replaced this with a Caterpillar 3406 direct injection turbocharged diesel engine, though both configurations maintained a flywheel horsepower rating of 275.
What specific structural improvements were made to the 983 series to address early manufacturing defects?
Early production adjustments included lengthening the track frame for improved longitudinal stability, laminating the lift arms to prevent stress cracking, and replacing cast final drive covers with steel versions to mitigate impact damage and cracking.
What are the known undercarriage and drivetrain wear patterns for this machine type?
Operators have reported issues with final drives failing under heavy use. The machine features a 92-inch (2,336.8 mm) gauge non-oscillating track frame with 7 bottom rollers and 2 carrier rollers per side, utilizing 22-inch (558.8 mm) double grouser standard shoes.
What hydraulic or cooling issues should be monitored during operation?
Some units have experienced significant cooling problems, specifically overheating on high-temperature days. Regarding hydraulics, low oil levels can cause cavitation that destroys pumps; use Cat HYDO Advanced oils to protect components and prevent valve clogging from additive cross-contamination.
What should be checked when inspecting a used 983B for potential attachment or component compatibility?
Verify if the machine is equipped with a third hydraulic valve when planning to use specialized attachments. When sourcing a ripper, note that while a straight 983 ripper may fit, the mounting width and beam dimensions may differ from the B model configuration.
What are the recommended fluid specifications for maintaining the engine and transmission?
For engine lubrication, use Caterpillar DEO or DEO-ULS (SAE 15W-40 or 10W-30). For the transmission, utilize Caterpillar TDTO to ensure proper performance of the three-speed full powershift system.

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

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