Machine models

Cat 212 wheeled excavator: engine arrangements, width and travel controls

Identify the wheeled 212 before comparing attachments

This 212 is Caterpillar's wheeled hydraulic excavator. Forum titles referring to a Cat 212 grader describe a different machine and cannot establish its engine, travel controls or digging equipment. Likewise, the later 212B belongs to a separate specification row.

A listing that drops the suffix can send a buyer to the wrong parts book or lifting chart even when the photographs look broadly similar.

Caterpillar's manufacturing history traces this wheel-excavator range to its agreement with Eder in 1983. Production of the 206, 212, 214 and 224 began in 1984. The history explains why a machine with a Cat badge can have a supplier-engine arrangement different from the tracked excavators beside it in a classified listing.

The Wackersdorf operation subsequently passed through the EDC joint venture before becoming wholly owned by Caterpillar in 2006. These are production-history facts, not evidence that every surviving 212 retains its original engine.

Caterpillar wheel-excavator production history, 13 November 2023

Width, reach and lifting figures describe different configurations

The former-model table in Performance Handbook Edition 41 lists the 212 with 3JC and 5DC identification prefixes and an 84–89 build range. Its engine entries distinguish Deutz and Perkins power ratings. Confirm the installed engine plate; the combined table alone does not justify assigning every serial prefix to one engine.

That handbook gives a machine width of 2.49 m, also printed as 8 ft 2 in. An earlier catalogue entry labelled 8.17 inches is a unit error, not an exceptionally narrow excavator. The handbook's overall length uses a medium stick with the bucket curled underneath, whereas its maximum reach uses the longest stick and a one-piece boom.

Those dimensions cannot be combined into a promised transport envelope for another front. Its lifting entry is also conditional: the stated load applies over the front at the specified radius. It is not a general bucket payload or an unrestricted side-lift rating.

Cat Performance Handbook Edition 41, former wheeled excavators, 19-49

Road travel reverses the familiar control relationship

The 206/212 operator-manual excerpt warns that steering and travel response reverse with the boom over the rear axle. Establish the axle and upperstructure positions before moving. Road and shipping preparation also require the swing lock.

A failed air system can leave the parking brake applied, while the hydrostatic drive has a separate towing bypass; releasing one does not prepare the other. The manual limits emergency towing to a short repair move at no more than 2 km/h. Longer transport calls for hauling, not treating the travel-speed specification as a recovery instruction.

Cat SEBU6044-01, 206/212 safety, towing and identification excerpt

Earlier reference entries and original manufacturer corrections
Model and fieldEarlier entryManufacturer figure and scopeSource
212 Overall Width8.17 in2.49 m (8 ft 2 in.) overall width; earlier inches label was incorrect. Cat Handbook 41, 19-49.Original document
Entries in this reference
Listing-entry count
1
Short answer

Cat 212 wheeled excavator: engine arrangements, width and travel controls: full-size excavator.

Selected configuration figures
ConfigurationDocumented field and quantity
212
Net Power
94 hp
Operating Weight
28,290 lb
212 specification matrix — Boom/Stick Option (Mex) 1
Specification212
Shipping Length Of Unit26.12 ft
Shipping Height Of Unit10.33 ft
Max Cutting Height23.12 ft
Max Loading Height16.15 ft
Max Reach Along Ground25.25 ft
Max Vertical Wall Dig Depth8.99 ft
Max Digging Depth15.7 ft
Boom/Stick Option (Mex) 1One-Piece Boom/Stick 5'3" (1600mm)
Dimensions and weight
Specification212
Wheelbase8.21 ft
Tail Swing Radius6.89 ft
Overall Width (corrected unit)2.49 m (8 ft 2 in.) overall width; earlier inches label was incorrect. Cat Handbook 41, 19-49.
Ground Clearance1.2 ft
Overall Width - Outriggers Down11.98 ft
Height To Top Of Cab10.33 ft
Upper Structure Clearance4.09 ft
Engine
Specification212
Number Of Cylinders4
Engine ModelT4.236
Net Power94 hp
Power Measured @2,150 rpm
Displacement235.6 cu in
Aspirationturbocharged
Operational
Specification212
Operating Weight28,290 lb
Fuel Capacity64.8 gal
Cooling System Fluid Capacity8 gal
Engine Oil Capacity2.5 gal
Front Diff Fluid Capacity2.6 gal
Rear Diff Fluid Capacity4 gal
Hydraulic System Fluid Capacity87.2 gal
Operational Voltage24 V
Hydraulic System Relief Valve Pressure4,351 psi
Hydraulic Pump Flow Capacity57.1 gpm
Oscillating Axle Angle19 degrees
Max Steering Angle35 degrees
Tire SizeDual 10.00-20
Transmission and speeds
Specification212
Transmission TypeFully hydrostatic, variable displacement piston motor
Max Travel Speed12.4 mph
Buckets
Specification212
Reference Bucket Capacity0.8 yd3
Minimum Bucket Capacity0.4 yd3
Maximum Bucket Capacity1.3 yd3
Ratios
Figure212
Engine horsepower per 1,000 lb of weight3.3
Fuel tank per engine horsepower0.69 gal
Hydraulic power from the listed pump flow and relief pressure144.9 hp
Reference directory classification
Equipment groupfull-size excavator
Where the 212 ranks in Cat's list — Scope of the captured comparison
BrandEquipment groupCompared entrySort order
Catfull-size excavator212Descending quantity; 1 is largest
Reference calculations using the earlier specification entries
Figure212RankLowest in lineHighest in line
Engine power94.0 hp57 (tied) of 7454.0 hp542.0 hp
Listed weight28,290 lb61 of 7414,330 lb207,400 lb
Fuel capacity64.8 gal55 of 7029.1 gal327.6 gal
Horsepower per 1,000 lb3.3 hp18 of 742.2 hp7.9 hp
Maximum digging depth15.7 ft50 of 6012.4 ft42.1 ft
The 212 beside its neighbours
Base version215212219D
Engine power85 hp94 hp140 hp
Weight36,156 lb28,290 lb47,620 lb
Fuel capacity55 gal64.8 gal71.4 gal
Wheelbase212: 8.21 ft
Ground pressure215: 7.5 psi; 219D: 8.4 psi
Maximum digging depth17.39 ft15.7 ft14.87 ft
212: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsfull-size excavatorCat and the 2127
Topics named by those titles
Title topicTitles
transmission and drive2
Topic in the titleThreadsShare of matching threads
transmission and drive229%
Used market for the 212 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat full-size excavator2
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
21221984 to 1992$22,500$22,500$22,500None shown
212: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the full-size excavator 212No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Cat 212 — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Cat 212 wheeled excavator: engine arrangements, width and travel controls: Configuration records

212
SpecificationSource figure
Boom/Stick Option (Mex) 1
Shipping Length Of Unit26.12 ft
Shipping Height Of Unit10.33 ft
Max Cutting Height23.12 ft
Max Loading Height16.15 ft
Max Reach Along Ground25.25 ft
Max Vertical Wall Dig Depth8.99 ft
Max Digging Depth15.7 ft
Boom/Stick Option (Mex) 1One-Piece Boom/Stick 5'3" (1600mm)
Dimensions and weight
Wheelbase8.21 ft
Tail Swing Radius6.89 ft
Engine
Number Of Cylinders4
Engine ModelT4.236
Net Power94 hp
Power Measured @2,150 rpm
Displacement235.6 cu in
Aspirationturbocharged
Operational
Operating Weight28,290 lb
Fuel Capacity64.8 gal
Cooling System Fluid Capacity8 gal
Engine Oil Capacity2.5 gal
Front Diff Fluid Capacity2.6 gal
Rear Diff Fluid Capacity4 gal
Hydraulic System Fluid Capacity87.2 gal
Operational Voltage24 V
Hydraulic System Relief Valve Pressure4,351 psi
Hydraulic Pump Flow Capacity57.1 gpm
Oscillating Axle Angle19 degrees
Max Steering Angle35 degrees
Tire SizeDual 10.00-20
Transmission and speeds
Transmission TypeFully hydrostatic, variable displacement piston motor
Max Travel Speed12.4 mph
Buckets
Reference Bucket Capacity0.8 yd3
Minimum Bucket Capacity0.4 yd3
Maximum Bucket Capacity1.3 yd3
Additional specifications
Ground Clearance1.2 ft
Overall Width - Outriggers Down11.98 ft
Height To Top Of Cab10.33 ft
Upper Structure Clearance4.09 ft
Overall Width2.49 m (8 ft 2 in.), Edition 41 former wheeled-excavator table 19-49. Earlier 8.17 in label is incorrect. [source]
Historical Engine ArrangementsEdition 41 lists Deutz 84 hp and Perkins 94 hp for the 212 and prefixes 3JC/5DC, 84–89. Do not map an individual prefix to one engine from this combined table alone. [source]

Source

More in Cat: 215B/215B SA/219D LC: swing components/transport/cylinders, 317B L/317B LN, 215D LC/318C L/318C LN.