Cat 257 Specs
Cat 257 Engine
| Aspiration | Turbocharged |
| Bore | 3.9 in (10 cm) |
| Displacement | 183 cu in (0 m) |
| Engine Model | Cat 3034 naturally aspirated |
| Gross Power | 63 hp (47 kw) |
| Net Power | 59 hp (44 kw) |
| Number of Cylinders | 4 |
| Power Measured @ | 2600 rpm |
| Stroke | 4 in (10 cm) |
Cat 257 Hydraulic System
| Pump Flow | 15.2 gal/min (58 l/min) |
Cat 257 Loader
| Bucket Capacity | 0.6 cu yds (0 m) |
| Operating Load | 2350 lbs (1,066 kg) |
| Tipping Angle | 4473 ° |
Cat 257 Operating Specifications
| Breakout Force – Lift Cylinder | 3490 lbs (1,583 kg) |
| Breakout Force – Tilt Cylinder | 3532 lbs (1,602 kg) |
| Fuel Capacity | 23.8 gal (90 l) |
| Ground Contact Area | 1770 cu in (0 m) |
| Ground Pressure | 4.3 psi |
| Hydraulic System Fluid Capacity | 14.6 gal (55 l) |
| Max Speed – high range | 7 mph (11 kph) |
| Operating Weight | 7676 lbs (3,482 kg) |
| Rated Operating Capacities – 35% Tipping Load | 1614 lbs (732 kg) |
| Rated Operating Capacities – 50% Tipping Load | 2306 lbs (1,046 kg) |
| Tipping Load | 4610 lbs (2,091 kg) |
Cat 257 Power Train
| Travel Speed Forward | 7.5 mph (12 kph) |
| Travel Speed Reverse | 7.5 mph (12 kph) |
Cat 257 Service Refill Capacities
| Cooling System | 2.6 gal (10 l) |
| Engine Crankcase | 1.8 gal (7 l) |
| Fuel Tank | 23.8 gal (90 l) |
| Hydraulic System | 14.5 gal (55 l) |
| Hydraulic Tank | 9.2 gal (35 l) |
Cat 257 Undercarriage
| Length of Track on Ground | 5 ft (2 m) |
| Width of Track | 15 in (38 cm) |
Cat 257 Weights
| Operating Weight | 7628 lbs (3,460 kg) |
Cat 257 Dimensions
| Clearance at Max Lift and Dump | 7.5 ft (2 m) |
| Ground Clearance | 10.2 in (26 cm) |
| Height – Top of Cab | 6.7 ft (2 m) |
| Length – with Bucket | 11.6 ft (4 m) |
| Length – without Bucket | 8.9 ft (3 m) |
| Reach at Max Lift and Dump | 2.7 ft (1 m) |
| Turning Radius from Center – inc bucket | 90.3 in (229 cm) |
| Width Over Tracks | 5.5 ft (2 m) |