SPECS / COMPARISON
Caterpillar 312C vs Caterpillar 312B
A detailed comparison of the Caterpillar 312C and the Caterpillar 312B. Click a model name to view its full specifications.
Horsepower
Caterpillar 312C67 kW (90 HP)
Caterpillar 312B63 kW (84 HP)
Weight
Caterpillar 312C12433 kg (27410 lbs)
Caterpillar 312B12433 kg (27410 lbs)
Operating Weight
Caterpillar 312C12433 kg (27410 lbs)
Caterpillar 312B12433 kg (27410 lbs)
| Specification | Caterpillar 312C Mid-Size Excavators | Caterpillar 312BMid-Size Excavators |
|---|---|---|
| Excavator Type | Mid-Size Excavator | Mid-Size Excavator |
| Weight | 12433 kg (27410 lbs) | 12433 kg (27410 lbs) |
| Horsepower | 67 kW (90 HP) | 63 kW (84 HP) |
| Digging Depth | 558 cm (220 in.) | 515 cm (203 in.) |
| Max Digging Depth | 558 cm (220 in.) | 515 cm (203 in.) |
| Max Loading Height | 609.6 cm (240.0 in.) | 588.3 cm (231.6 in.) |
| Max Reach Along Ground | 819.9 cm (322.8 in.) | 780.3 cm (307.2 in.) |
| Max Digging Reach | 579.1 cm (228.0 in.) | — |
| Max Vertical Wall Digging Depth | 499.9 cm (196.8 in.) | 445.0 cm (175.2 in.) |
| Overall Length | 759.0 cm (298.8 in.) | 762.0 cm (300.0 in.) |
| Track Length | 3352.8 cm (1320.0 in.) | 3352.8 cm (1320.0 in.) |
| Length of Track on Ground | 280.4 cm (110.4 in.) | 280.4 cm (110.4 in.) |
| Reference Bucket Capacity | 0.6 m2 (0.8 cu yds) | 0.5 m2 (0.6 cu yds) |
| Max Bucket Capacity | 0.8 m2 (1.0 cu yds) | 0.8 m2 (1.1 cu yds) |
| Min Bucket Capacity | 0.3 m2 (0.4 cu yds) | 0.4 m2 (0.5 cu yds) |
| Ground Clearance | 45.7 cm (18.0 in.) | 45.7 cm (18.0 in.) |
| Tail Swing Radius | 213.4 cm (84.0 in.) | 213.4 cm (84.0 in.) |
| Overall Width | 259.1 cm (102.0 in.) | 249.9 cm (98.4 in.) |
| Engine Make | Caterpillar | Caterpillar |
| Engine Model | 3046 T | 3064 T Diesel Engine |
| Net Power | 67 kW (90 HP) | 63 kW (84 HP) |
| Gross Power | 70 kw (94 hp) | 68 kw (91 hp) |
| Rated Power | 1950 RPM | 1900 RPM |
| Hydraulic Pump Flow Capacity | 125 LPM (33.5 GPM) | 238 LPM (63.5 GPM) |
| Hydraulic System Capacity | 162.0 l (42.8 gal) | 162.0 l (42.8 gal) |
| Relief Valve Pressure | 343 Bar (4980 psi) | 343 Bar (4980 psi) |
| Operating Weight | 12433 kg (27410 lbs) | 12433 kg (27410 lbs) |
| Max Travel Speed | 5.6 km (3.5 mph) | 5.6 km (3.5 mph) |
| Swing Speed | 12.9 RPM | 12.3 RPM |
| Cab Height | 277.4 cm (109.2 in.) | 277.4 cm (109.2 in.) |
| Aspiration | Turbocharged | Turbocharged |
| Cooling Capacity | 17.8 l (4.7 gal) | 15.5 l (4.1 gal) |
| Fuel Capacity | 250.2 l (66.1 gal) | 250.2 l (66.1 gal) |
| Swing Drive Capacity | 3.0 l (0.8 gal) | 3.0 l (0.8 gal) |
| Engine Oil Capacity | 17.8 l (4.7 gal) | 13.2 l (3.5 gal) |
| Ground Pressure | 33.1 kPa (4.8 psi) | 39.3 kPa (5.7 psi) |
| Displacement | 4250.8 cc (259 cu. in.) | 4244.2 cc (259 cu. in.) |
| Shoe Size | 61.0 cm (24.0 in.) | 50.0 cm (19.7 in.) |
| Max Cutting Height | 850.4 cm (334.8 in.) | 826.0 cm (325.2 in.) |
| Alternator | 55 A | 50 A |
| Track Gauge | 201.2 cm (79.2 in.) | 201.2 cm (79.2 in.) |
| Drawbar Pull | 11.217 kg (24729 lbs) | 10.401 kg (22930 lbs) |
| Operating Voltage | — | Operating Voltage 24 V |
| Stroke | — | 13.2 cm (5.2 in) |
| Bore | — | 10.4 cm (4.1 in) |
| Removal Counterweight Clearance | — | 94.5 cm (37.2 in.) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.