Caterpillar 214
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 214 is a mid-size wheeled hydraulic excavator built from the mid-1980s, sold as a rubber-tired, front-wheel-steer mobile digger rather than a crawler machine. It rides on dual 10.00-20 tires and drives through a fully hydrostatic transmission fed by two variable-displacement piston pumps, with no mechanical gearbox or torque converter. Power comes from a naturally aspirated Perkins 6.354.4P inline-six diesel, a 5.8 L, mechanically governed engine rated 76 kW (102 hp) at 2150 rpm with no electronic controls. Operating weight runs roughly 15.5-16.6 t (34,100-36,600 lb) depending on boom/stick configuration, counterweight, and attachments; Cat offered it with multiple boom lengths, bucket sizes from about 0.3 to 0.9 m3 (0.4-1.2 yd3), and optional outriggers for stability on soft or uneven ground. The 214 sat ahead of the 214B, which took over the wheeled-excavator model line later in the 1980s.
The step from the 214 to its 214B successor marked a real powertrain change, not just a badge update: Cat replaced the Perkins mechanical diesel with its own turbocharged 3116 engine, pushing output toward 82 kW (109 hp) and operating weight up near 17.2 t, and later offered a 214B FT variant. On the original 214, every function - engine governing, hydrostatic drive, differentials - is mechanical or hydraulic with no ECM, which is exactly why the model still circulates in the used and parts market today: it is simple to diagnose in the field, its Perkins 6.354 engine family shares components with agricultural and generator applications, and shops without diagnostic laptops can still keep one running. Buyers now mostly chase these units for utility, road, and rental work where a compact wheeled digger beats a crawler machine on hard surfaces, but parts sourcing leans on differential, hydrostatic drive, and axle components since factory support for this generation is thin compared to later electronic-engine machines.
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 214 specifications
Engine
| Engine model | Naturally aspirated 6-cylinder diesel, 6.354.4P block (Perkins-built unit used by Caterpillar in this chassis) |
| Net power | 76 kW (102 hp) at 2150 rpm |
| Displacement | 5.8 L (354 cu in) |
| Cylinders | 6, naturally aspirated |
| Emissions tier | Pre-dates on-highway/off-highway emissions tier regulation; no tier rating published for this generation |
Weights
| Operating weight | Approx. 15.5 t / 15,500 kg (34,175 lb); some spec listings round this class to about 16.6 t — treat as the same standard configuration, varies slightly by source |
| Long-undercarriage / variant configs | Not offered — this is a rubber-tired (wheeled) chassis with a single standard configuration, no crawler or long-undercarriage variant documented |
| Ground pressure | Not applicable — wheeled chassis rides on dual 10.00-20 tires rather than tracks; no ground pressure figure published |
| Transport weight | Not separately documented beyond the operating weight figure above |
Dimensions
| Transport length | 8.24 m (27 ft) |
| Transport width | 2.49 m (8 ft 2 in) |
| Transport height (to cab) | 3.14 m (10 ft 4 in) |
| Tail swing radius | 2.30 m (7 ft 7 in) |
| Track shoe width | Not applicable — wheeled undercarriage; standard tire fitment is dual 10.00-20 |
| Ground clearance | 0.34 m (1 ft 1 in) |
| Undercarriage length / wheelbase | 2.50 m (8 ft 2 in) wheelbase (no crawler undercarriage on this chassis) |
Performance
| Max dig depth | 4.5–5.92 m (14 ft 9 in – 19 ft 5 in), varies by boom/stick configuration |
| Max reach at ground level | 8.0–8.81 m (26 ft 3 in – 28 ft 11 in), varies by boom/stick configuration |
| Max dump / cutting height | 7.5–8.78 m (24 ft 7 in – 28 ft 10 in), varies by boom configuration |
| Swing speed | 9.8 rpm |
| Travel speed | 20 km/h (12.4 mph) max, single speed range, fully hydrostatic drive |
| Gradeability | Not documented in available spec sheets for this model |
| Drawbar pull | Not documented in available spec sheets for this model |
| Max steering angle | 30 degrees (front-wheel steer, wheeled chassis) |
| Bucket capacity range | 0.3–0.9 m³, standard reference bucket about 0.8 m³ (1 yd³) |
Forces
| Bucket digging force | Not published in the spec sheets available for this model |
| Stick/arm digging force | Not published in the spec sheets available for this model |
Service capacities (summary)
| Fuel tank | 200 L (52.9 US gal) |
| Hydraulic system | 320 L (84.6 US gal) |
| Engine oil | 17.8 L (4.7 US gal) |
| Cooling system | 30 L (8.0 US gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
214 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) - Perkins 6.354.4P diesel | 17.8 L (4.7 US gal) | Cat DEO (Diesel Engine Oil) or equivalent multigrade diesel engine oil meeting the engine builder's API service category. Grade by ambient temperature: SAE 10W-30 for general/temperate use, SAE 15W-40 for warm climates, straight SAE 10W for cold starts below freezing. |
| Cooling system | 30 L (7.9-8.0 US gal) | Cat ELC (Extended Life Coolant) or Cat DEAC antifreeze/coolant, glycol-based, mixed to local freeze-protection ratio (typically 50/50 with water). |
| Fuel tank | 200 L (52.9 US gal) | No. 2-D diesel fuel (low sulfur); switch to a winterized/low-temperature blend in cold climates to prevent gelling. |
| Hydraulic system total | 320 L (84.5-84.6 US gal); no separate hydraulic tank figure documented for this model | Cat TDTO (Transmission/Drive Train Oil), commonly shared between hydraulics and drivetrain on this class of wheel-type excavator, or Cat HYDO Advanced hydraulic oil. Grade by ambient temperature: SAE 10W in cold climates, SAE 30 or 10W-30 in temperate/warm climates. |
| Front differential/axle drive | 10.2 L (2.7 US gal) | Cat GO (Gear Oil), API GL-5, SAE 80W-90 for temperate climates, SAE 85W-140 for hot climates. |
| Rear differential/axle drive | 13.2-13.3 L (3.5 US gal) | Cat GO (Gear Oil), API GL-5, SAE 80W-90 for temperate climates, SAE 85W-140 for hot climates. |
| Swing/slew mechanism | Not separately documented for this model - slew gearbox draws from the hydraulic circuit; slew ring is grease-lubricated rather than oil-filled | Hydraulic oil per hydraulic system entry for the swing motor/gearbox; Cat MPGM multipurpose grease at the slew ring bearing and gear teeth. |
| Grease (pins, bushings, linkage, slew ring) | Spec only, no reservoir capacity | Cat MPGM (Multipurpose Grease), NLGI 2 EP lithium-complex grease for boom, stick, bucket linkage pins and slew ring; heavier NLGI 1-2 EP grease in cold climates for easier gun flow. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 214 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the 214 beyond the schedule
Predictive Maintenance & Fluid Analysis
The 214 gives no electronic warning of wear, so oil sampling is the main early-warning tool. Pull hydraulic oil from the 320 L system and check for water and metal from the twin variable-displacement piston pumps before hydrostatic response gets sluggish. Sample engine oil from the Perkins 6.354.4P for fuel dilution, since the mechanical injection pump can drift out of calibration without triggering any fault light. Watch front and rear differential oil for water intrusion from wheeled road use, and track hydrostatic case-drain flow as a wear trend over time.
Corrective & Common Repairs
Common failure points on the 214 center on the hydrostatic drive and front axle. Expect pump and motor seal leaks and case-drain flow loss as the twin piston pumps age, along with worn king pins, steering knuckles, and tie-rod ends from front-wheel steering loads. The Perkins 6.354.4P mechanical injection pump and lift pump wear steadily and cause hard starting or power loss before smoke appears. Radiator cores clog from the mechanically driven fan pulling debris, and differential seals weep after years of on-road and job-site travel.
Overhaul & Rebuild Points
At high hours, plan on rebuilding the hydrostatic drive pumps and motors rather than patching seals repeatedly, since worn swash-plate and cylinder-block components erode drive response gradually. The Perkins 6.354.4P benefits from a top-end overhaul - liners, rings, valve guides - once compression and oil consumption trend down; it has no turbocharger to complicate the job. Front and rear differentials and final drives need backlash and bearing checks at rebuild time, and boom, stick, and bucket pins and bushings wear as a set on this cylinder-heavy linkage.
Seasonal & Environment Servicing
Cold climates hit the naturally aspirated Perkins 6.354.4P hard since it has no turbo or electronic cold-start assist; use a block heater or ether aid and check the starting aid before winter. Match hydraulic and hydrostatic drive oil viscosity to season, since the 320 L system runs thin in summer heat and sluggish in winter cold. Keep both dual tire sets matched in pressure and tread for stable steering on wet or icy surfaces, and flush road salt or mud from differential breathers and steering linkage after winter or wet-season work.
214 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Charging system warning lamp (alternator/battery symbol, red) | Alternator not charging or charging circuit fault | Worn/slipping fan belt, failed alternator, loose or corroded battery/alternator wiring | Check belt tension, inspect wiring and connections, test alternator output |
| Engine oil pressure warning lamp (oil can symbol, red) | Engine oil pressure below safe threshold, sensed by a mechanical/electrical pressure switch | Low oil level, worn oil pump, failed pressure sending switch, clogged filter | Shut down engine, check oil level and condition, verify pressure with a mechanical gauge before restarting |
| Coolant temperature warning lamp / high-temp gauge reading | Engine coolant temperature above normal operating range | Low coolant, blocked radiator, failed thermostat, slipping fan belt, faulty temperature sender | Stop and idle down, check coolant level and radiator for debris, inspect belt and thermostat |
| Hydraulic oil temperature warning lamp | Hydraulic tank oil temperature above safe limit | Low hydraulic oil level, clogged oil cooler, relief valve stuck, excessive continuous high-load operation | Idle and let cool, check oil level and cooler fins for blockage, inspect relief valve setting |
| Air filter restriction indicator | Intake air filter element is clogged, restricting airflow to the engine | Dust/debris loading of paper element over service life | Inspect and clean or replace the air filter element |
| Fuel/water separator or low fuel level lamp (where fitted) | Water contamination detected in fuel filter/separator bowl, or fuel level low | Water ingress in fuel tank, condensation, near-empty tank | Drain water separator bowl, check fuel level, bleed fuel system if engine stalled from starvation |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
214 attachments & work tools
Buckets (GD/HD/rock)
Factory bucket capacity on the 214 spans roughly 0.3-0.9 m³ (0.4-1.2 cu yd), with 0.76 m³ (1.0 cu yd) as the standard reference bucket for this carrier. It is a pin-on machine from Cat's 1985-era wheeled/crawler excavator line; no factory quick-coupler bucket system is documented for it. Bucket width and separate GD/HD/rock capacity splits are not documented for this specific model - match a replacement bucket by pin diameter and stick/link width rather than by published width figures.
Hydraulic hammers
No Cat-branded hammer class or breaker cross-reference is documented for the 214. As a general carrier-to-breaker sizing rule only (not a verified 214-specific match), a 15-17 t class carrier typically pairs with a breaker in roughly the 0.9 to 1.5 tonne operating-weight class. Confirm bracket fitment and flow/pressure needs with the hammer manufacturer before ordering.
Quick couplers
No factory or aftermarket quick-coupler spec is documented for the 214. Machines of this size and vintage typically shipped with pin-on tooling only. If a coupler is wanted, size it to the actual stick and bucket pin centers on the machine - do not assume compatibility from a generic size-class chart.
Thumbs/grapples
No 214-specific thumb or grapple fitment is documented. Aftermarket hydraulic thumbs and grapples built for excavators in the 15-17 t class are generally in the right envelope if pin diameter and bucket-link clearance match, but this needs field verification - no factory fitment guide for the 214 was found.
Rippers
No factory single-shank ripper attachment is documented for the 214. Stick-mounted rippers exist generically for excavators in this weight class, but no 214-specific fitment, shank size, or capacity data was found - verify the shank pin size against the machine before buying.
Hydraulic kit / circuit notes
The 214's base hydraulic system runs two variable-displacement piston pumps delivering roughly 170 L/min (45 gpm) combined flow, with a relief setting near 300 bar (4351 psi). No documentation of a dedicated medium-pressure or high-flow auxiliary circuit for work tools (hammer, thumb) was found for this model - any attachment plumbing needs to be assessed on the individual machine, not assumed from base specs.
All 214 assemblies by section
Every catalogued assembly group for the Caterpillar 214. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine
7c2801 Compressor Gp-Air
| 7C***01 | Air Compressor Group; Compressor Gp-Air | 1 |
7w4530 Alternator Gp
| 7W***30 | Alternator Group-Charging | 1 |
7w4504 Camshaft Gp
| 7W***04 | Camshaft Group | 1 |
5w7913 Compressor As-Air
| 5W***13 | Compressor As | 1 |
7w4508 Cover Gp-Valve Mechanism
| 7W***08 | Cover Group-Valve Mechanism; Cover Group-Valve Mechanism | 1 |
7w4502 Crankshaft Gp
| 7W***02 | Crankshaft Group | 1 |
7c8943 Crankshaft Gp
| 7C***43 | Crankshaft Group | 1 |
7w4501 Cylinder Block Gp
| 7W***01 | Cylinder Block Group | 1 |
7w4583 Cylinder Block Gp
| 7W***83 | Cylinder Block Group | 1 |
7w4600 Cylinder Head Gp
| 7W***00 | Cylinder Head Group | 1 |
7w4505 Cylinder Head Gp
| 7W***05 | Cylinder Head Group | 1 |
7c2803 Cylinder Head As
| 7C***03 | Cylinder Head Group | 1 |
7w4512 Drive Gp-Auxiliary
| 7W***12 | Drive Group-Auxiliary | 1 |
7w4500 Engine Ar-Primary
| 7C***43 | Crankshaft Group | 1 |
| 7C***45 | Lines Group-Fuel Injection | 1 |
| 7W***41 | Flywheel Group; Flywheel Group | 1 |
7c2800 Engine Ar-Primary
| 7C***00 | Engine Ar-Primary | 1 |
| 7C***01 | Air Compressor Group; Compressor Gp-Air | 1 |
| 7W***41 | Flywheel Group; Flywheel Group | 1 |
7w5645 Filler Gp-Engine Oil
| 7W***45 | Filler Group-Oil | 1 |
7w4518 Filter Gp-Engine Oil
| 7W***18 | Filter Group-Engine Oil | 1 |
7w4529 Filter Gp-Fuel
| 7W***29 | Filter Group-Fuel; Fuel Filter Group | 1 |
7w1141 Flywheel Gp
| 7W***41 | Flywheel Group; Flywheel Group | 1 |
7w4523 Disposal Gp-Fumes
| 7W***23 | Fumes Disposal Group; Fumes Disposal Group | 1 |
7w4516 Gauge Gp-Oil
| 7W***16 | Gauge Group-Oil Level (Dipstick) | 1 |
7w4510 Gear Gp-Front Idler
| 7W***10 | Gear Group-Front Idler; Gear Group-Front Idler | 1 |
7w4513 Housing Gp-Flywheel
| 7W***13 | Housing Group-Flywheel; Housing Group-Flywheel | 1 |
7w4509 Housing Gp-Front
| 7W***09 | Housing Group-Front; Housing Group-Front | 1 |
7c1685 Instrument Gp
| 7C***85 | Instrument Group | 1 |
7w4507 Lifting Gp
| 7W***07 | Lifting Group | 1 |
7w4517 Lines Gp-Engine Oil
| 7W***17 | Lines Group-Engine Oil | 1 |
7w4527 Lines Gp-Fuel Filter
| 7W***27 | Lines Group-Fuel Filter; Fuel Filter Lines Group | 1 |
7w4526 Lines Gp-Fuel Injection
| 7W***26 | Lines Group-Fuel Injection | 1 |
7c8945 Lines Gp-Fuel Injection
| 7C***45 | Lines Group-Fuel Injection | 1 |
7w4520 Lines Gp-Water
| 7W***20 | Lines Group-Water; Lines Group-Water | 1 |
7w4522 Manifold Gp-Exhaust
| 7W***22 | Manifold Group-Exhaust | 1 |
7w4524 Manifold Gp-Inlet
| 7W***24 | Manifold Group-Inlet; Manifold Group-Inlet | 1 |
7w4534 Mounting Gp-Engine
| 7W***34 | Mounting Group-Engine; Engine Mounting Group | 1 |
7w7183 Mounting Gp-Fan
| 7W***83 | Mounting Group-Fan | 1 |
7w4515 Pan Gp-Oil
| 7W***15 | Pan Group-Oil; Oil Pan Group | 1 |
7w4503 Rod & Piston Gp
| 7W***03 | Piston & Rod Group; Rod & Piston Gp | 1 |
7w4511 Pulley Gp-Crankshaft
| 7W***11 | Pulley Group-Crankshaft | 1 |
7w4519 Pump Gp-Engine Oil
| 7W***19 | Pump Group-Engine Oil | 1 |
7w4528 Pump Gp-Fuel
| 7W***28 | Pump Group-Fuel; Pump Group-Fuel | 1 |
7w4525 Pump Gp-Fuel Injection
| 7W***25 | Pump Group-Fuel Injection | 1 |
7w4521 Pump Gp-Water
| 7W***21 | Pump Group-Water | 1 |
7w4531 Aid Gp-Starting
| 7W***31 | Starting Aid Group; Aid Gp-Starting | 1 |
7w4532 Motor Gp-Electric Starting
| 7W***32 | Starting Motor Group-Electric; Motor Gp-Electric Starting | 1 |
7w4506 Valve Mechanism Gp
| 7W***06 | Valve-Mechanism Group; Valve Mechanism Group | 1 |
214 serial number reference
On this generation of Cat 214/214B wheel-type excavators the PIN/serial plate is riveted to the machine frame, typically on the right-hand side of the upper structure near the operator's cab or on the mainframe below the cab - check both spots since placement varies by build era. Read the first three characters as the prefix, which ties to a specific model/generation and production run; the digits that follow are the sequential unit number within that prefix run.
| Prefix | Identifies | Notes |
|---|---|---|
| 1KB | Caterpillar 214 (first-generation) wheel-type excavator | 1KB00001 and up. Fitted with the Cat 6.354.4 diesel, a Perkins-derived design built by Cat under license, 6-cylinder, 5.8 L, rated around 76 kW (102 hp). The engine parts catalog for this range is shared with the 213 excavator (213 uses its own prefix on the same base engine family), so 1KB itself is specific to the 214. Plant/region not documented in available sources - confirm with dealer. |
| 4CF | Caterpillar 214B and 214B FT, wheel-type excavator | 4CF00001 and up. Powered by the Cat 3116 engine. Earlier of two known serial-prefix ranges covering the 214B/214B FT wheel-type generation (production continued under 9MF). Plant/region not documented - confirm with dealer. |
| 9MF | Caterpillar 214B and 214B FT, wheel-type excavator | 9MF00001 and up. Powered by the Cat 3116 engine. Later serial-prefix range for the same 214B/214B FT wheel-type generation as 4CF (production continuation, not a distinct model change). Plant/region not documented - confirm with dealer. |
| 9MB | Caterpillar 214 wheel-type excavator (thin evidence, unconfirmed) | Turns up on an operation-and-maintenance manual covering the 214 and 224 together (paired with a separate prefix in the same listing) and on one parts catalog reference labeled specifically as a 214 service manual. Not enough independent confirmation to be sure this prefix isn't actually the 224's own prefix rather than the 214's - confirm with dealer before relying on it. |
Frequently asked questions
What engine powers the Caterpillar 214?
A naturally aspirated Perkins 6.354.4P inline-six diesel, 5.8 L displacement, rated 76 kW (102 hp) at 2150 rpm. It is mechanically governed with no electronic engine controls.
What is the Caterpillar 214's operating weight?
Roughly 15.5-16.6 t (34,100-36,600 lb), depending on boom/stick configuration, counterweight, and attachments. Figures vary by source and build configuration.
What replaced the Caterpillar 214?
The Caterpillar 214B took over the wheeled-excavator model line, followed by the 214B FT. Both moved to Cat's own turbocharged 3116 diesel in place of the Perkins engine.
What 214 owners discuss
How does the Cat 214's hydrostatic drivetrain typically age, and what failure pattern do owners report?
Is the 214's engine the same as the later 214B's?
What wears out on the running gear, tires, axles, and steering?
Is swing bearing play a real concern on this machine?
Any recurring electrical or gauge complaints on the 214?
What routine maintenance matters most for keeping the hydrostatic system alive long term?
What should I actually check before buying a used Cat 214?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific 214 part?
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