SPECS / COMPARISON
Caterpillar 311C vs Caterpillar 311C U
A detailed comparison of the Caterpillar 311C and the Caterpillar 311C U. Click a model name to view its full specifications.
Horsepower
Caterpillar 311C59 kW (79 HP)
Caterpillar 311C U59 kW (79 HP)
Weight
Caterpillar 311C11979 kg (26410 lbs)
Caterpillar 311C U11980 kg (26411 lbs)
Operating Weight
Caterpillar 311C11979 kg (26410 lbs)
Caterpillar 311C U11980 kg (26411 lbs)
| Specification | Caterpillar 311C Mid-Size Excavators | Caterpillar 311C UMid-Size Excavators |
|---|---|---|
| Excavator Type | Mid-Size Excavator | Mid-Size Excavator |
| Weight | 11979 kg (26410 lbs) | 11980 kg (26411 lbs) |
| Horsepower | 59 kW (79 HP) | 59 kW (79 HP) |
| Digging Depth | 503 cm (198 in.) | 561 cm (221 in.) |
| Max Digging Depth | 503 cm (198 in.) | 561 cm (221 in.) |
| Max Loading Height | 548.6 cm (216.0 in.) | 579.1 cm (228.0 in.) |
| Max Reach Along Ground | 759.0 cm (298.8 in.) | 810.8 cm (319.2 in.) |
| Max Vertical Wall Digging Depth | 442.0 cm (174.0 in.) | 496.8 cm (195.6 in.) |
| Overall Length | 691.9 cm (272.4 in.) | 691.9 cm (272.4 in.) |
| Track Length | 3139.4 cm (1236.0 in.) | 3139.4 cm (1236.0 in.) |
| Length of Track on Ground | 262.1 cm (103.2 in.) | 262.1 cm (103.2 in.) |
| Reference Bucket Capacity | 0.5 m2 (0.6 cu yds) | 0.5 m2 (0.7 cu yds) |
| Max Bucket Capacity | 0.8 m2 (1.0 cu yds) | — |
| Min Bucket Capacity | 0.3 m2 (0.4 cu yds) | — |
| Ground Clearance | 45.7 cm (18.0 in.) | 45.7 cm (18.0 in.) |
| Tail Swing Radius | 176.8 cm (69.6 in.) | 176.8 cm (69.6 in.) |
| Overall Width | 249.9 cm (98.4 in.) | 249.9 cm (98.4 in.) |
| Engine Make | Caterpillar | Caterpillar |
| Engine Model | 3064 T | 3064 T |
| Net Power | 59 kW (79 HP) | 59 kW (79 HP) |
| Gross Power | 61 kw (82 hp) | 62.9 kW (84.3 HP) |
| Hydraulic Pump Flow Capacity | 106 LPM (28 GPM) | 216 LPM (57.1 GPM) |
| Hydraulic System Capacity | 160.1 l (42.3 gal) | — |
| Relief Valve Pressure | 299 Bar (4340 psi) | 343 Bar (4975 psi) |
| Operating Weight | 11979 kg (26410 lbs) | 11980 kg (26411 lbs) |
| Max Travel Speed | 5.6 km (3.5 mph) | 5.6 km (3.5 mph) |
| Swing Speed | 10.6 RPM | — |
| Cab Height | 277.4 cm (109.2 in.) | — |
| Aspiration | Turbocharged | — |
| Cooling Capacity | 17.4 l (4.6 gal) | — |
| Fuel Capacity | 194.9 l (51.5 gal) | — |
| Swing Drive Capacity | 3.0 l (0.8 gal) | — |
| Engine Oil Capacity | 19.7 l (5.2 gal) | — |
| Operating Voltage | Operating Voltage 24 V | — |
| Ground Pressure | 41.4 kPa (6.0 psi) | — |
| Displacement | 4244.2 cc (259 cu. in.) | 4250.8 cc (259 cu. in.) |
| Shoe Size | 50.8 cm (20.0 in.) | 50.0 cm (19.7 in.) |
| Max Cutting Height | 780.3 cm (307.2 in.) | — |
| Alternator | 45 A | — |
| Track Gauge | 198.1 cm (78.0 in.) | — |
| Drawbar Pull | 9.380 kg (20680 lbs) | — |
| Rated Power | — | 1800 RPM |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.