Caterpillar 212B
Caterpillarexcavator

Caterpillar 212B

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 212B is a heavy wheel excavator designed for versatile construction, utility, and excavation tasks. This model belongs to the 'B' series generation, which debuted in 1991. The machine features a standard operating weight of approximately 30,870 lb (14,000 kg) and is powered by a Cat 3114 DIT turbocharged engine producing 83 kW (111.3 hp). Standard configurations include a bucket capacity of 0.7 m³ (0.92 cu yd) and an operating width of 8 ft 2 in (0.1 m).

The 212B represents a significant era in Caterpillar's wheel excavator lineage, following the earlier 212 series. While later generations moved toward different emissions tiers and engine configurations, the 212B remains a staple in the used equipment market due to its robust 3114 DIT powertrain and reliable hydraulic performance. Its presence in the secondary market is driven by the availability of durable components and its suitability for mid-sized excavation projects where mobility is required.

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 212B specifications

Engine

Model3114 (also identified as 3114T/DIT)
Gross Power110 hp (83 kW)
Displacement268.6 cu in

Weights

Operating Weight14,200 kg (30,870 lb) to 16,250 kg (35,842 lb)

Dimensions

Transport Length8 m (27 ft 2 in)
Transport Width8.18 in (0.21 m) to 8 ft 2 in (0.05 m)
Transport Height10 ft 0 in (0 m)
Ground Clearance1.17 ft (0.36 m)
Wheelbase8.21 ft (2.50 m)

Performance

Max Digging DepthVaries by configuration: 11.49 ft (3.50 m) to 20.64 ft (6.29 m)
Max Reach at GroundVaries by configuration: 26.05 ft (7.94 m) to 31.11 ft (9.48 m)
Max Cutting HeightVaries by configuration: 26.58 ft (8.10 m) to 28.15 ft (8.58 m)
Max Loading HeightVaries by configuration: 19.03 ft (5.80 m) to 20.84 ft (6.35 m)
Max Vertical Wall Dig DepthVaries by configuration: 11.49 ft (3.50 m) to 14.54 ft (4.43 m)
Hydraulic Pump Flow Capacity60.8 gpm (230.17 lpm)
Hydraulic System Relief Valve Pressure4640 psi (32,000 kPa)

Forces

Bucket CapacityVaries by configuration: 0.7 m³ (0.92 yd³) to 0.86 m³ (1.12 yd³)

Service capacities (summary)

Fuel Tank71.4 gal (270.28 l)
Hydraulic System Fluid Capacity54.2 gal (205.16 l)

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

212B fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)Not specifiedCAT DEO SAE 15W-40 or SAE 10W-30 for temperatures below 15°F ( -9°C); use CAT DEO-ULS for ECF-3 / API CJ-4 requirements
Cooling systemNot specifiedCAT ELC (Extended Life Coolant); ensure compatibility with conventional and long life fluids
Hydraulic system total AND hydraulic tankNot specifiedCAT HYDO Advanced 10 or equivalent; ensure cross-contamination with previous oil remains below 10%
Grease (spec only)Not specifiedCAT Multipurpose Grease; CAT Advanced 3Moly Grease for medium-load/medium-speed; CAT Ultra 5Moly Grease for high-load/high-speed

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

Caterpillar 212B maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level and condition
  • Inspect hydraulic fluid level via sight glass
  • Drain water from fuel/water separator
  • Monitor air filter restriction indicator
  • Inspect hydraulic hoses for cracks or leaks
  • Check track tension and shoe condition
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 coolant level and cap integrity
Every 500 h
  • Replace fuel filter
  • 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 wear
  • Check ROPS bolt torque
  • Measure undercarriage component wear
Every 2,000 h
  • Change hydraulic system oil
  • Perform coolant flush and replacement
  • Service swing drive oil
  • Conduct comprehensive structural inspection of boom and stick welds
  • Evaluate major machine components

Servicing the 212B beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Cat S.O.S Services to monitor engine oil, hydraulic fluid, and coolant. Analyze samples for wear metals like iron or copper and contaminants such as silicon (dirt) or sodium (coolant). For the 212B, maintaining hydraulic oil cleanliness is critical; ensure cross-contamination of different hydraulic oils remains below 10% to prevent sludge formation in valves and pumps.

Corrective & Common Repairs

Monitor for hydraulic pump cavitation caused by low oil levels. Inspect the 3114 DIT engine for signs of turbocharger failure or air leaks. Regularly check hydraulic hoses for abrasion and cracks to prevent high-pressure failures. If milky oil appears on the dipstick, immediately investigate potential head gasket failure leading to coolant contamination in the lubrication system.

Overhaul & Rebuild Points

Plan major component evaluations at the 2,000-hour PM4 interval. Focus on structural integrity, specifically inspecting boom and stick welds for fatigue. During final drive or swing drive oil services, assess gear wear. Significant undercarriage or chassis wear measurements at 1,000 hours should trigger planning for sprocket or bushing replacements to avoid much more expensive full rebuilds.

Seasonal & Environment Servicing

In dusty or quarry environments, check the air filter daily and consider replacing it at 500 hours instead of the standard interval. Clean radiator and oil cooler fins frequently to prevent overheating. For cold weather operations, utilize SAE 10W-30 engine oil for better starting capability if temperatures drop below 15°F (-9°C). Always inspect battery condition before seasonal transitions.

212B fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
110-0Engine Coolant Temperature — Above NormalLow coolant level, thermostat failureInspect cooling system, refill coolant, test thermostat
110-3Engine Coolant Temp Sensor — Voltage HighOpen circuit, sensor failureCheck wiring; 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, tone ring damageCheck sensor gap; 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
2348-9SAE J1939 Data Link #2 — Abnormal Update RateCAN bus wiring damage, termination faultCheck CAN wiring and measure termination resistance

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

212B attachments & work tools

Buckets

Capacity ranges from 0.25 m³ (0.33 yd³) to 0.86 m³ (1.13 yd³), with a standard capacity of 0.7 m³ (0.92 yd³). Widths for this class can reach 1.41 m (4.63 ft).

Hydraulic hammers

Compatible hammer class includes hydraulic impact hammers; use Hammer Paste Grease for applications.

Quick couplers

Options include Pin Grabber style couplers and mechanical quick hitches. Pin Puller Couplers are available to increase machine versatility.

Thumbs/grapples

Available thumb kits are used to improve productivity and versatile task management.

Rippers

Not documented for this exact serial range — verify with your dealer.

Hydraulic-kit notes

System features a relief valve pressure of 4640 psi. Standard flow capacity is approximately 57.1 gpm to 60.8 gpm (216 to 230 L/min).

All 212B assemblies by section

Every catalogued assembly group for the Caterpillar 212B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
7c2290 Cover Gp-Inlet Manifold
7C***90Cover Group-Inlet Manifold; Inlet Manifold Cover Group1
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6i4771 Heater Gp-Air Inlet
4w6609 Lines Gp-Air
4W***09Lines Group-Air; Air Lines Group1
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4w6615 Lines Gp-Turbocharger Oil
4W***15Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group1
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1w8898 Manifold Gp-Exhaust
1W***98Manifold Group-Exhaust; Exhaust Manifold Group1
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4w5362 Manifold Gp-Inlet
7e5186 Turbocharger Gp
Basic Engine
4w5281 Balancer Gp
4w4865 Camshaft Gp-Single
4W***65Camshaft Group-Single; (Single)1
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4w3462 Carrier Gp-Seal
4W***62Carrier Group-Seal; Carrier Group (Seal)1
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1w8897 Cover Gp-Cylinder Block
1W***97Cover Group-Cylinder Block; Cylinder Block Cover Group1
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7l0004 Cover Gp-Front
7L***04Cover Group-Front; (Front Housing)1
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9y7618 Cover Gp-Valve Mechanism
9Y***18Cover Group-Valve Mechanism; Valve Mechanism Cover Group1
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4w3579 Crankshaft Gp
4W***79Crankshaft Group; Crankshaft Group1
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7e2481 Cylinder Block Gp
7e5311 Cylinder Block Gp
7w5664 Cylinder Head As
9y6164 Cylinder Head As-R
9y8872 Cylinder Head Gp
9Y***72Cylinder Head Group; Cylinder Head Group1
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9y8849 Cylinder Head Gp-R
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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7w9375 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
4w4866 Fuel Pump & Valve Mechanism Gp
4W***66Mechanism Group-Fuel Pump & Valve1
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1w7632 Pan Gp-Oil
9y8543 Rod & Piston Gp
9y8314 Pulley Gp
7c9352 Pulley Gp-Fan
9y4914 Pulley Gp-Crankshaft
7c6077 Rocker Arm Gp-Valve
4w1016 Seal Gp-Crankshaft
7e5633 Support Gp-Engine
Boom, Sticks, Linkage & Buckets
5w0573 Bkt Gp-Prof (W/Teeth) (400mm 1 : 1.5)
5w0572 Bkt Gp-Prof (W/Teeth) (600mm 1 : 1.25)
5w0574 Bkt Gp-Prof (W/Teeth) (600mm 1 : 1.5)
5w0571 Bkt Gp-Prof (W/Teeth) (400mm 1 : 1.25)
5w0570 Bkt Gp.-Prof (W/Teeth) (600mm 1 : 1)
5w0569 Bkt Gp.-Prof (W/Teeth) (400mm 1 : 1)
8u4910 Boom Ar-Hoe-Part 1 Of 2
8u4910 Boom Ar-Hoe-Part 2 Of 2
5w7078 Bracket Gp-Hammer Mntg (W/Holes)
Bracket Gp-Hammer Mntg (W/Holes)
5w7077 Bracket Gp-Hammer Mntg (W/Holes)
5w7079 Bracket Gp-Hammer Mntg (W/Holes)
5w7076 Bracket Gp-Hammer Mntg (W/Holes)
5W***76Bracket Group-Hammer Mntg (W/Holes)1
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5w0670 Bucket As.-Brg & (Dozer 2400 Mm)
5w0669 Bucket As.-Brg & Ddozer 2000mm)
5w0694 Bucket As.-Ditch Clng (2400mm)
5w0605 Bucket As.-Ditch Clng (2000mm)
5W***05Bucket As.-Ditch Clng; -Ditch Cleaning1
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5w0604 Bucket As.-Ditch Clng (1800mm)
5W***04Bucket As.-Ditch Clng; -Ditch Cleaning1
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5w0603 Bucket As.-Ditch Clng (1500 Mm)
5w0576 Bucket Gp-Rock (750mm W/Teeth)
5w0579 Bucket Gp-Rock (1000mm W/Teeth)
5w0575 Bucket Gp-Rock (600mm W/Teeth)
5w2857 Bucket Gp.-Dozer (2000 Mm)
5w0581 Bucket Gp.-G.P. (600mm W/Teeth)
5w0668 Bucket Gp.-Dozer (2400)
5w0580 Bucket Gp.-G.P. (500mm W/Teeth)
5w0693 Bucket Gp. (Ditch Clng) (2400 Mm)
5w0591 Bucket Gp.-Brg & (Ditch Clng) (2000 Mm)
5W***91Bucket Group.-Bearing & (Ditch Clng)1
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5w0589 Bucket Gp.-Brg & (Ditch Clng) (1500 Mm)
5W***89Bucket Group.-Bearing & (Ditch Clng)1
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5w0590 Bucket Gp.-Brg & (Ditch Clng) (1800)
5W***90Bucket Group.-Bearing & (Ditch Clng)1
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5w0635 Bucket Gp.-Drainage (280 Mm)
5w0633 Bucket Gp.-Drainage (380 Mm)
5w0586 Bucket Gp.-G.P. (1100mm W/Teeth)
5w0583 Bucket Gp.-G.P. (800mm W/Teeth)
5w0584 Bucket Gp.-G.P. (900mm W/ Teeth)
5w0585 Bucket Gp.-G.P. (1000mm W/ Teeth)
5w0582 Bucket Gp.-G.P. (700mm W/Teeth)
5w0587 Bucket Gp.-G.P. (1200mm W/Teeth)
8u6487 Connection Gp-Hammer (1600) (Hi-Low)
8u6489 Connection Gp-Hammer (2300,2800)
8u6491 Connection Gp-Hammer (Krupp)
8U***91Connection Group-Hammer (Krupp)1
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8u6493 Connection Gp-Hammer (Krupp)
8U***93Connection Group-Hammer (Krupp)1
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8u7537 Connection Gp-Hammer (Mont)
8u6485 Control Gp-Lines & (1pc) (Range)
8u6475 Control Gp-Lines & (H.A.B.) (Range)
8u4855 Cylinder Gp
8u4854 Cylinder Gp-Linkage &
5w2482 Cylinder Gp.
5w6539 Hammer As.-Hyd (Krupp Hm 701)
Hammer As.-Hyd (Krupp Hm 600)
5w6947 Hammer As.-Hyd (Krupp Hm 550)
5W***47Hammer As.-Hydraulic (Krupp Hm 550)1
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8u7735 Lines Gp-Hammer (Range) (4.6m Boom)
5w4580 Linkage Ar.-Tilt-Part 2 Of 2
5w4580 Linkage Ar.-Tilt-Part 1 Of 2
8u8133 Block-Threaded
8u7687 Restraint Gp-Clam (Ger) (Fact)
8u7679 Restraint Gp-Clam (Ger) (Fact)
8u4545 Restraint Gp-Travel
8u4931 Stick Gp-Hoe (2300)
8u4940 Stick Gp-Hoe (3300)
Stick Gp-Hoe (2600)
8u4929 Stick Gp-Hoe (1600)
8u4935 Stick Gp-Hoe (2800)
8u7661 Stick Gp-Hoe (Mh)
8u4942 Stick Gp-Hoe (4000)
8u7660 Stick Gp-Hoe (2300) Zmw
9j3167 Tip Gp - J 300
9j3169 Tip Gp - J 250
8u0973 Valve Gp (Standard)
Cab, Gauges & Accessories
8u7036 Adjuster Gp-Seat (Upper)
8u6993 Adjuster Gp-Seat (Lower)
8u6644 Belt Gp-Seat
8u0543 Cab Gp (Lexan)-Part 7 Of 8
8u0183 Cab Gp (920)
8u0181 Cab Gp (Laminated)-Part 3 Of 8
8u0543 Cab Gp (Lexan)-Part 4 Of 8
8u0181 Cap Gp (Laminated)-Part 5 Of 8
8u0181 Cab Gp (Laminated)-Part 7 Of 8
8u0543 Cab Gp (Lexan)-Part 6 Of 8
8u0183 Cab Gp (920) (Lexan Panes)
8u0180 Cab Gp (920) (Glass Panes)
8u0181 Cab Gp (Laminated)-Part 6 Of 8
8u0181 Cab Gp (Laminated)-Part 1 Of 8
8u0181 Cap Gp (Laminated)-Part 2 Of 8
8u0543 Cab Gp (Lexan)-Part 3 Of 8
8u0543 Cab Gp (Lexan)-Part 1 Of 8
8u0543 Cab Gp (Lexan)-Part 8 Of 8
8u0181 Cab Gp (Laminated)-Part 8 Of 8
8u0181 Cab Gp (Laminated)-Part 4 Of 8
8u0543 Cap Gp (Lexan)-Part 5 Of 8
8u0180 Cab Gp (920)
8u0543 Cap Gp (Lexan)-Part 2 Of 8
8u7743 Cab Gp-Glass-Part 1 Of 9
8u7743 Cab Gp-Glass-Part 7 Of 9
8u7743 Cab Gp-Glass-Part 8 Of 9
8u7743 Cab Gp-Glass-Part 6a Of 9
8u7743 Cab Gp-Glass-Part 1a Of 9
8u7743 Cab Gp-Glass-Part 9 Of 9
8u7743 Cab Gp-Glass-Part 2 Of 9
8u7743 Cab Gp-Glass-Part 4 Of 9
8u7743 Cab Gp-Glass-Part 3 Of 9
8u7743 Cab Gp-Glass-Part 5 Of 9
8u7743 Cab Gp-Glass-Part 6 Of 9
8u7865 Cab Gp-Lexan-Part 4 Of 9
8u7865 Cab Gp-Lexan-Part 6 Of 9
8u7865 Cab Gp-Lexan-Part 1a Of 9
8u7865 Cab Gp-Lexan-Part 7 Of 9
8u7865 Cab Gp-Lexan-Part 9 Of 9
8u7865 Cab Gp-Lexan-Part 3 Of 9
8u7865 Cab Gp-Lexan-Part 8 Of 9
8u7865 Cab Gp-Lexan-Part 5 Of 9
8u7865 Cab Gp-Lexan-Part 6a Of 9
8u7865 Cab Gp-Lexan-Part 1 Of 9
8u7865 Cab Gp-Lexan-Part 2 Of 9
5w7308 Cable Gp-Operator Manual
8u7145 Compressor Gp
8u7167 Condenser Gp
8u7041 Console Gp-Lh
8u7059 Console Gp-Rh
8u7146 Evaporator Gp
8u7000 Frame Gp-Seat
5w9255 Guard Gp-Roof (Fops)
Guard Gp-Windshield (Lexan) (Air Conditioning System)
Guard Gp-Windshield (Lexan)
8u7535 Guard Gp-Windshield (Glass)
8u6922 Guard Gp-Windshield (Glass)
8u6919 Guard Gp-Windshield (Lexan)
8u3711 Headrest Gp
8u5339 Heater Gp-Cab-Part 2 Of 2
8u5339 Heater Gp-Cab-Part 1 Of 2
8u5339 Heater Gp-Cab-Part 1a Of 2
8u5324 Heater Gp-Water-Part 2 Of 2
8u5324 Heater Gp-Water-Part 1 Of 2
5w9239 Lighting Gp-Beacon
8u7147 Lines Gp-A/C
5w9475 Mirror Gp (Lh)
5w9250 Radio Gp
8u5871 Seat Gp-Operator
8u6958 Support Gp-Seat
8u7008 Suspension Gp-Seat
8u6736 Tool Gp-Hand
Tool Gp-Hand
8u2511 Visor Gp - Rain
8u8018 Windshield Gp - Front-Part 2 Of 2
8u8019 Windshield Gp - Front
8u8018 Windshield Gp - Front-Part 1 Of 2
Chassis
8u4472 Axle Ar-Front-Part 1 Of 6
8u4472 Axle Ar-Front-Part 6 Of 6
8u4472 Axle Ar-Front-Part 5 Of 6
8u4472 Axle Ar-Front-Part 4 Of 6
8u4472 Axle Ar-Front-Part 2 Of 6
8u4472 Axle Ar-Front-Part 3 Of 6
8u5918 Axle Gp-Rear-Part 1 Of 2
8u5918 Axle Gp-Rear-Part 2 Of 2
859256 Transmission Gp-Part 10 Of 10
8u5925 Transmission Gp-Part 5 Of 10
8u5925 Transmission Gp-Part 8 Of 10
8u5925 Transmission Gp-Part 4 Of 10
8u5925 Transmission Gp-Part 7 Of 10
8u5925 Transmission Gp-Part 2 Of 10
8u5925 Transmission Gp-Part 1 Of 10
8u5925 Transmission Gp-Part 6 Of 10
8u5925 Transmission Gp-Part 3 Of 10
8u5925 Transmission Gp-Part 9 Of 10
Chassis & Undercarriage
8u2202 Valve Gp / 8u2212 Valve Gp
8u7594 Valve Gp
8u6257 Baffle Gp (Sound)
8u4513 Blade Gp-Dozer(Pin-On)(Front Or Rear)-Part 2 Of 2
8u4513 Blade Gp-Dozer(Pin-On)(Front Or Rear)-Part 1 Of 2
8u5266 Box Gp-Battery
8u9094 Box Gp-Battery
8u6271 Box Gp-Storage
8u1618 Bracket Gp-Towing
8u4431 Counterweight Gp (3000kg)
8u4430 Counterweight Gp (2500 Kg)
8u5708 Cylinder Gp (Single Acting)
8u4533 Cylinder Gp
8u4461 Cylinder Gp
8u1410 Cylinder Gp
8u4978 Drive Gp-Swing
8u4469 Frame Ar-Undercarriage-Part 1b Of 3
8u4469 Frame Ar-Undercarriage-Part 2 Of 3
8u4469 Frame Ar-Undercarriage-Part 1a Of 3
8u4469 Frame Ar-Undercarriage-Part 1 Of 3
8u4469 Frame Ar-Undercarriage-Part 3 Of 3
8u5272 Frame Ar-Upper-Part 3a Of 3
8u5272 Frame Ar-Upper-Part 1 Of 3
8u5272 Frame Ar-Upper-Part 3 Of 3
8u5272 Frame Ar-Upper-Part 2a Of 3
8u5272 Frame Ar-Upper-Part 2b Of 3
8u5272 Frame Ar-Upper-Part 2 Of 3
8u4470 Frame Gp-Dozer
8u5845 Frame Gp-U/C (Pin On)
8u4532 Guard Gp-Cylinder
8u6593 Guard Gp-Swing Gear & Pinion
8U***93Guard Group-Swing Gear & Pinion1
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8u7144 Hood Gp-Guard &-Part 2a Of 2 (Air Conditioning System)
8u4435 Hood Gp-Guard &-Part 1a Of 2
8u4435 Hood Gp-Guard &-Part 2a Of 2
8u4435 Hood Gp-Guard &-Part 2 Of 2
8u7144 Hood Gp-Guard &-Part 2 Of 2 (Air Conditioning System)
8u7144 Hood Gp-Guard &-Part 1 Of 2 (Air Conditioning System)
8u4435 Hood Gp-Guard &-Part 1 Of 2
8u7144 Hood Gp-Guard &-Part 1a Of 2 (Air Conditioning System)
8u7362 Mirror Gp-Rh
8u7592 Motor Gp-Hyd-Part 2 Of 2
8u7592 Motor Gp-Hyd-Part 1 Of 2
8u5271 Motor Gp-Swing
8u5706 Pedal Gp-Brake
8u5665 Platform Gp-Part 2 Of 2
8u5665 Platform Gp-Part 1 Of 2
8u5665 Platform Gp-Part 1c Of 2
8u5665 Platform Gp-Part 1a Of 2
8u5665 Platform Gp-Part 1b Of 2
8u4688 Pump Gp-Metering
5w3832 Reflector Gp
8u6727 Ring Gp-Tire Type 3 (51-60mm)
8u6725 Ring Gp-Tire Type 2 (41-50mm)
8u6723 Ring Gp-Tire Type 1 (26-40mm)
8u7101 Sender Gp-Temp (Trans)
8u4474 Shaft Gp-Drive
8u5909 Stabilizer Gp (Pin On)Front Or Rear
8u5265 Box Gp-Storage-Part 2 Of 2
8u5265 Box Gp-Storage-Part 1 Of 2
8u5827 Swivel Gp-Part 1 Of 2
8u9212 Swivel Gp-Part 2 Of 2
8u9146 Swivel Gp-Part 1 Of 2
8u9146 Swivel Gp-Part 2 Of 2
8u9212 Swivel Gp-Part 1 Of 2
8u5827 Swivel Gp-Part 2 Of 2
5w7088 Tire Gp-Rim & (10.00r20 New)(Michelin)
5w6818 Tire Gp-Rim & (9.00-20 New)
5w6824 Tire Gp-Rim & (Super Single)
5w7083 Tire Gp-Rim & (9.00r20 New)(Michelin)
5w7085 Tire Gp-Rim & (10.00-20 New)(Dunlop)
5w6821 Tire Gp-Rim & (10.00-20 New)
8u5707 Valve Gp-Brake
8u5846 Valve Gp-Control
8u4746 Warning Gp-Road
Cooling System
4w4869 Cooler Gp-Engine Oil
4W***69Cooler Group-Engine Oil; Engine Oil Cooler Group1
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4w5428 Drive Gp-Water Pump
4W***28Drive Group-Water Pump; Water Pump Drive Group1
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7e4851 Lines Gp-Water
4w7589 Pump Gp-Water
7c4508 Pump Gp-Water
Decals
9x2962 Lubricant Gp-Paint & (Spanish)
9x2961 Lubricant Gp-Paint & (French)
9x2960 Lubricant Gp-Paint & (English)
9x2965 Lubricant Gp-Paint & (Italian)
9x2963 Lubricant Gp-Paint & (Portuguese)
9x2964 Lubricant Gp-Paint & (German)
Electrical System
8u6592 Alarm Gp-Travel
8u7432 Cable Gp
8u6099, 8u6100, 8u6101 Cable Gp-Battery
8u6281 Control Gp-Max Travel Spd
8u6320 Guard Gp-Headlight
8u8014 Harness Gp-Part 1 Of 6
8u8084 Harness Gp-Part 4 Of 4
8u8054 Harness Gp-Part 3 Of 4
8u9220 Harness Gp-Part 1 Of 4
8u8054 Harness Gp-Part 1 Of 4
8u5042 Harness Gp
8u8054 Harness Gp-Part 4 Of 4
8u5868 Harness Gp
8u5841 Harness Gp
8u9220 Harness Gp-Part 4 Of 4
8u5839 Harness Gp
8u9220 Harness Gp-Part 2 Of 4
8u8060 Harness Gp-Part 2 Of 2
8u6093,8u6094 Harness Gp
8u5298 Harness Gp
8u8014 Harness Gp-Part 6 Of 6
8u8014 Harness Gp-Part 3 Of 6
8u9221 Harness Gp-Part 2 Of 2
8u7343 Harness Gp
8u8084 Harness Gp-Part 1 Of 4
8u9221 Harness Gp-Part 1 Of 2
5w8945 Harness Gp
8u8014 Harness Gp-Part 5 Of 6
8u9220 Harness Gp-Part 3 Of 4
8u8014 Harness Gp-Part 2 Of 6
8u8084 Harness Gp-Part 2 Of 4
8u8054 Harness Gp-Part 2 Of 4
8u8084 Harness Gp-Part 3 Of 4
8u5907 Harness Gp
8u8014 Harness Gp-Part 4 Of 6
8u8086 Harness Gp-Part 2 Of 2
8u8086 Harness Gp-Part 1 Of 2
8u8060 Harness Gp-Part 1 Of 2
8u6694 Harness Gp-Steering
5w5860 Horn Gp-Air
8u6435 Horn Gp-Warning (Addtl)
5w8893 Lever Gp-Directional Signal & Horn
5W***93Lever Group-Directional Signal & Horn1
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8u6438 Lighting Gp-Eng Compart
8u6432 Lighting Gp-Boom (1 Pc)
8u6322 Lighting Gp-Boom (H.A.B.)
8u6316 Lighting Gp-Boom (Lh)
8u6433 Lighting Gp-Rear
8u6337 Panel Gp-Electric-Part 2a Of 2
8u6337 Panel Gp-Electric-Part 1 Of 2
8u6337 Panel Gp-Electric-Part 2 Of 2
8u6337 Panel Gp-Electric-Part 1a Of 2
8u6337 Panel Gp-Electric-Part 2b Of 2
8u6336 Panel Gp-Instrument
8u6095 Switch Gp
8u5842 Switch Gp-Rotor
8u5836 Switch Gp-Rotor
8u6590 Washer Gp-Windshield
8u5345 Wiring Gp-Batt&-Part 3 Of 4
8u5345 Wiring Gp-Batt&-Part 4 Of 4
8u5345 Wiring Gp-Batt&-Part 1 Of 4
8u5345 Wiring Gp-Batt&-Part 2 Of 4
8u4441 Wiring Gp-Gage & (Cab)
Engine Arrangement
9y1550 Engine Ar-Part 1 Of 2
1N***76Filter Group-Fuel1
1N***77Breather Group; Breather Group1
1W***97Cover Group-Cylinder Block; Cylinder Block Cover Group1
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9y1550 Engine Ar-Part 2 Of 2
1W***32Pan Group-Oil1
1W***98Manifold Group-Exhaust; Exhaust Manifold Group1
4W***16Seal Group-Crankshaft1
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Engine Installation
8u6731 Aid Gp-Ether Starting
8u0950 Coupling Gp
8u9308 Coupling Gp
8u4244 Frame Ar-Engine (Mounting)-Part 1 Of 4
8u4244 Frame Ar-Engine (Mounting)-Part 4 Of 4
8u4244 Frame Ar-Engine (Mounting)-Part 2b Of 4
8u4244 Frame Ar-Engine (Mounting)-Part 2a Of 4
8u4244 Frame Ar-Engine (Mounting)-Part 3 Of 4
8u4244 Frame Ar-Engine (Mounting)-Part 2 Of 4
8u4670 Pump Gp-Hyd-Part 2a Of 2
8u4670 Pump Gp-Hyd-Part 2 Of 2
8u4670 Pump Gp-Hyd-Part 1a Of 2
8u4670 Pump Gp-Hyd-Part 1 Of 2
8u5560 Regulator Gp / 8u9155 Manifold Gp
8u8108 Valve Gp
Fuel System & Governors
8u6291 Cable Gp-Governor
8u5048 Cable Gp-Governor
8u7583 Cable Gp-Governor Control
8u4384 Control Gp-Governor
5w8633 Pump Gp-Fuel Filler
5W***33Pump Group-Fuel Filler; -Refueling1
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8u6274 Pump Gp-Refueling
8u6274 Pump Gp-Refueling-Part 2 Of 2
8u6274 Pump Gp-Refueling-Part 1 Of 2
Fuel System And Governor
7w8600 Control Gp-Fuel Injection
7W***00Control Group-Fuel Injection; Fuel Injection Control Group1
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7e1524 Control Gp-Governor
7c5201 Control Gp-Governor
4p0666 Drive Gp-Governor & Transfer Pump
4P***66Drive Group-Gov & Transfer Pump1
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6i0232 Drive Gp-Governor & Transfer Pump
6I***32Drive Group-Gov & Transfer Pump1
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4p4775 Drive Gp-Governor & Transfer Pump-Flexible Drive
4P***75Drive Group-Gov & Transfer Pump1
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4p5614 Drive Gp-Governor & Transfer Pump
4P***14Drive Group-Gov & Transfer Pump1
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7w8179 Drive Gp-Governor & Transfer Pump
7W***79Drive 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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1n3476 Filter Gp-Fuel
7w8178 Governor Gp
7W***78Governor Group; Governor Group (Unit Injector) (2zf559~2zf3962)1
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6i0230 Governor Gp
4p1583 Governor Gp
4p4776 Governor Gp-Unit Injector
4p5502 Governor Gp-Unit Injector
4p8154 Governor Gp-Unit Injector
4p5791 Governor Gp-Unit Injector
4P***91Governor Group-Unit Injector; Governor Group (Unit Injector) (2zf3963-Up)1
4P***54Governor Group-Unit Injector1
7E***97Governor Group-Unit Injector1
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7c4567 Governor Gp-Unit Injector
7e3697 Governor Gp-Unit Injector
9y3943 Lines Gp-Air Fuel Ratio Control
9Y***43Lines Group-Air Fuel Ratio Cont; Air Fuel Ratio Control Lines Group1
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7w9854 Lines Gp-Fuel Filter
7w8434 Lines Gp-Governor Oil
7W***34Lines Group-Governor Oil; Governor Oil Lines Group1
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7e7607 Pump Gp-Fuel Injection
7E***07Pump Group-Fuel Injection; Fuel Injection Pump Group1
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7e9572 Fuel Priming Pump & Primary Filter Gp
7E***72Pump Group-Fuel Prime & Prim Filter; Fuel Priming Pump & Primary Filter Gp1
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Gauges And Accessories
4p2935 Instrument Gp
Hydraulic System
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 2b Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 2a Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 3 Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 3a Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 1 Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 4 Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 2 Of 4
8u6197 Boom Ar-Hoe (Lines &) (H.A.B.)-Part 3b Of 4
8u7423 Control Gp-Adjuster (Lever)
8u6288 Control Gp-Engine Speed
8u7911 Control Gp-Hand
8u4439 Control Gp-Implement-Part 1 Of 3
8u4439 Control Gp-Implement-Part 3 Of 3
8u4439 Control Gp-Implement-Part 3a Of 3
8u4439 Control Gp-Implement-Part 2 Of 3
8u4439 Control Gp-Implement-Part 1a Of 3
8u4439 Control Gp-Implement-Part 2a Of 3
8u4439 Control Gp-Implement-Part 1b Of 3
8u6516 Control Gp-Lines &
8u6157 Control Gp-Solenoid
8u9132 Control Gp-Speed (Creeper) (Elect)
8u6141 Control Gp-Speed (Creeper) (Elect)
Control Gp-Speed (Creeper) (Mech)
8u7958 Cover Gp
8u4385 Cyl Gp-Lines &(Boom) (W/O Check Valve)
8u5406 Cyl Gp-Lines &(Boom) (W/Check Valve)-Part 1 Of 2
8u5406 Cyl Gp-Lines &(Boom) (W/Check Valve)-Part 2 Of 2
8u6393 Cyl Gp-Valve &
8u9177 Cylinder Gp
8u9173 Cylinder Gp
8u4951 Cylinder Gp
8u4859 Cylinder Gp
8u9172 Cylinder Gp
8u6306 Cylinder Gp
8u9178 Cylinder Gp
8u9179 Cylinder Gp
8u5405 Cylinder Gp
8u5401 Cylinder Gp-Boom (Lh)
8u5402 Cylinder Gp-Boom (Rh)
8u5407 Cylinder Gp-Boom (Lh)
8u5408 Cylinder Gp-Boom (Rh)
8u6196 Cylinder Gp-Foreboom
8u4368 Cylinder Gp-Foreboom
8u4950 Cylinder Gp-Stick
8u0198 Filter Gp
8u5044 Filter Gp
8u0189 Filter Gp
8u6418 Housing Gp-Solenoid
8u7201 Indicator Gp-Lift (Boom Load) (W/O Check Valve)
8u7206 Indicator Gp-Lift (Boom Load) (W/Check Valve)
8U***06Indicator Group-Lift (Boom Load)(W/Check Valve)1
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8u8046 Indicator Gp-Overload (W/O Check Valve)
8u8095 Indicator Gp-Overload (W/Check Valve)
8u6395 Lines Gp-1 Pc Boom + Hydraulic Hammer
8u6392 Lines Gp-Stick (1 Pc Boom)
8u6387 Lines Gp-Stick (1 Pc Boom)
8u7097 Lines Gp-Anti-Drift (Boom Cyl)
8u7093 Lines Gp-Anti-Drift (Stk Cyl)
8U***93Lines Group-Anti-Drift (Stk Cyl)1
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5w4559 Lines Gp-Clamshell
8u7957 Lines Gp-Dozer/Stab
8u6230 Lines Gp-Hammer (1 Pc Boom)
8u6482 Lines Gp-Hammer (Hyd Adjust Boom)
8u6221 Lines Gp-Hammer (2300)
8u6212 Lines Gp-Hammer (1600)
8u6222 Lines Gp-Hammer (2800)
8u6482 Lines Gp-Hammer (H.A.B.)
8u6218 Lines Gp-Hammer (2600)
8u4437 Lines Gp-Hyd-Part 2 Of 3
8u4437 Lines Gp-Hyd-Part 3a Of 3
8u6934 Lines Gp-Hyd (Adtl Func W/O Bkt Cyl)
8u4437 Lines Gp-Hyd-Part 3 Of 3
8u7668 Lines Gp-Hyd (2300) Zmw
8u5085 Lines Gp-Hyd (1600)
8u4926 Lines Gp-Hyd (1 Pc Boom)
8u4946 Lines Gp-Hyd (2800)
8u4904 Lines Gp-Hyd (2600)
8u7666 Lines Gp-Hyd (Zmw)
8u4944 Lines Gp-Hyd (2300)
8u5087 Lines Gp-Hyd (4000)
8u4194 Lines Gp-Hyd (3000)
8u4437 Lines Gp-Hyd-Part 1 Of 3
8u4952 Lines Gp-Hyd (Special Function)
8u6473 Lines Gp-Hyd(Addl Func) (H.A.B.)
8u6934 Lines Gp-Hyd (Addl Func W/O Bkt Cyl)
8u4948 Lines Gp-Hyd (3300)
8u4438 Lines Gp-Pilot-Part 1a Of 2
8u4438 Lines Gp-Pilot-Part 1 Of 2
8u4438 Lines Gp-Pilot-Part 2 Of 2
8u4436 Lines Gp-Pump-Part 2 Of 2
8u4436 Lines Gp-Pump-Part 1 Of 2
Lines Gp-Stabilizer
8u4933 Lines Gp-Stick (2300)
8u4970 Lines Gp-Stick (4000)
8u4937 Lines Gp-Stick (2800)
8u4968 Lines Gp-Stick (3300)
8u6399 Lines Gp-Stick (H.A.B.)
Lines Gp-Stick (2600)
8u5090 Lines Gp-Stick (1600)
8u4706 Lines Gp-Stick (3000)
8u5824 Lines Gp-U/C (Front)
8u5825 Lines Gp-U/C (Rear)
8u4471 Frame Ar-Undercarriage-Part 3 Of 4
8u4471 Lines Gp-Undercarriage-Part 4 Of 4
8u4471 Lines Gp-Undercarriage-Part 1 Of 4
8u4471 Lines Gp-Undercarriage-Part 2 Of 4
8u6509 Lines Gp-Valve &
8u6496 Lines Gp-Valve &
8u7522 Linkage Gp-Pedal Stop (H.A.B.)
8u6515 Manifold Gp
8u6497 Manifold Gp
8u6501 Pedal Gp (H.A.B.)
8u6498 Plate Gp
8u6573 Plug Gp-Hydraulic Hammer
8u7988 Pump Gp
8u1881 Pump Gp-Brake
8u6840 Pump Gp-Steering
Stabilizer Elect. (Rear)
Stabilizer Elect. (Crowler Gear)
8u6687 Steering Gp-Supplemental-Part 2 Of 2
8u6687 Steering Gp-Supplemental-Part 1 Of 2
8u2592 Switch Gp-Overload
8u4669 Tank Gp-Hyd
8u5910 Valve & Lines Gp-Stabilizer (2 Pt)
8u6550 Valve Gp
8u1328 Valve Gp
8u4798 Valve Gp
8u6555 Valve Gp
8u5382 Valve Gp
8u6547 Valve Gp
8u1650 Valve Gp (Creeper Speed)
8u6552 Valve Gp
8u5400 Valve Gp
8u1068 Valve Gp
8u6549 Valve Gp
5w9422 Valve Gp
8u6158 Valve Gp
8u2284 Valve Gp (Pressure Cut Off)
8u6556 Valve Gp
8u4663 Valve Gp
8u6478 Valve Gp
8u5873 Valve Gp-Control
8u6499 Valve Gp (Add'L Func)
8u7094 Valve Gp-Check
8u6192 Valve Gp-Check
8u5912 Valve Gp-Control
8u5872 Valve Gp-Control
8u8116 Valve Gp-Control
8u1944 Valve Gp-Diverter
8u6459 Valve Gp-Solenoid
8u6441 Valve Gp-Solenoid
8u6282 Valve Gp-Solenoid
Intake & Exhaust System
8u5650 Filter Gp-Air
8u5250 Muffler Gp
Lubrication System
1n3477 Breather Gp
7c0896 Filter Gp-Engine Oil
7C***96Filter Group-Engine Oil; Engine Oil Filter Group1
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7w8420 Fumes Disposal Gp
7W***20Fumes Disposal Group; Fumes Disposal Group1
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9y8240 Gauge Gp-Oil Level (Dipstick)
9Y***40Gauge Group-Oil Level (Dipstick); Oil Level Gauge Group(Dipstick) (~1c K4294)1
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7c0897 Lines Gp-Engine Oil
4w4951 Pump Gp-Engine Oil
7w8599 Pump Gp-Engine Oil
Starting And Electrical System
9w3043 Alternator Gp-R
9W***43Alternator Group-Charging; (24-Volt, 52-Ampere)1
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7c1683 Alternator Gp
7C***83Alternator Group-Charging; Charging Alternator Group (24v, 55a)1
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9x5524 Solenoid As-Latching
7c4028 Solenoid Gp-Shut-Off-24 Volt Dc, Boss Mounted
7c5731 Starting Motor Gp-Electric
7C***31Starting Motor Group-Electric; Starting Motor Group (Electric) (24v)1
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9w3748 Starting Motor Gp-Electric
3e5381 Starting Motor Gp-Electric-24 Volt

Frequently asked questions

What engine powers the Caterpillar 212B?

The Caterpillar 212B is powered by a Cat 3114 DIT turbocharged engine, delivering approximately 83 kW (111.3 hp) of power.

What is the operating weight of the 212B?

The standard operating weight for a Caterpillar 212B excavator is 30,870 lb (14,000 kg).

What model replaced the 212B?

The 212B was part of a lineage that included the 214B, which served as a replacement for the earlier 214 wheel excavator.

What 212B owners discuss

What engine is used in the Caterpillar 212B excavator?
The machine is powered by a Cat 3114 DIT engine, which produces 83 kW (111.3 hp) of power.
What are the typical hydraulic performance specifications for this model?
The hydraulic system features a flow capacity of 57.1 gpm.
What is the standard operating weight and transport length for a 212B?
The standard operating weight is 30,870 lbs (approximately 14.0 metric tons). The standard length is 27 ft 2 in (0.05 m).
What should be checked regarding the engine's air intake and turbocharger?
Dust accumulation can choke filters and damage turbochargers; ensure air filters are clean to prevent power loss.
What is a critical check when buying a used 212B excavator?
Verify the exact serial-prefix specification sheet and the installed attachment package, as configurations for booms, sticks, or buckets can change machine weight and reach.

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

Need a specific 212B part?

Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.