Caterpillar 257
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Contents:
Dimensions
| Width Over Tracks | 5.5 ft in (1676 mm) |
| Height To Top Of Cab | 6.64 ft in (2022 mm) |
| Ground Clearance | 10.12 in (257 mm) |
| Clearance At Max Lift And Dump | 7.47 ft in (2275 mm) |
| Reach At Max Lift And Dump | 2.62 ft in (797 mm) |
| Length With Bucket | 11.55 ft in (3518 mm) |
| Length With Out Bucket | 8.87 ft in (2701 mm) |
| Turning Radius From Center - Inc Bucket | 90.28 in (2293 mm) |
Undercarriage
| Length Of Track On Ground | 4.92 ft in (1499 mm) |
| Width Of Track | 15 in (381 mm) |
Engine
| Number Of Cylinders | 4 |
| Engine Make | 2236 |
| Engine Model | 3034T |
| Gross Power | 63 hp (47 kw) |
| Net Power | 59 hp (44 kw) |
| Power Measured @ | 2600 rpm |
| Displacement | 183 cu in (3 L) |
| Bore | 3.9 in (97.1 mm) |
| Stroke | 4 in (100.1 mm) |
| Aspiration | Turbocharged |
| Engine Model | Cat 3034 naturally aspirated |
Operational
| Operating Weight | 7676 lb (3481.8 kg) |
| Fuel Capacity | 23.8 gal (90 L) |
| Hydraulic System Fluid Capacity | 14.6 gal (55 L) |
| Max Speed - High Range | 7 mph (11.2 km/h) |
Power Train
| Travel Speed Forward | 7.5 mph (12.1 km/h) |
| Travel Speed Reverse | 7.5 mph (12.1 km/h) |
Loader
| Operating Load | 2350 lb (1066 kg) |
| Tipping Angle | 4473 degrees |
| Bucket Capacity | 0.6 yd3 (0.5 m3) |
Weights
| Operating Weight | 7628 lb (3460.1 kg) |
Hydraulic
| Pump Flow | 15.2 gal/min (57.2 L/min) |
Operating Specifications
| Rated Operating Capacities - 50% Tipping Load | 2306 lb (1046 kg) |
| Rated Operating Capacities - 35% Tipping Load | 1614 lb (732.1 kg) |
| Ground Contact Area | 1770 in2 (1.2 m2) |
| Ground Pressure | 4.3 psi |
| Tipping Load | 4610 lb (2091.1 kg) |
| Breakout Force - Tilt Cylinder | 3532 lb (1602.1 kg) |
| Breakout Force - Lift Cylinder | 3490 lb (1583.1 kg) |
Service Refill Capacities
| Cooling System | 2.6 gal (9.9 L) |
| Fuel Tank | 23.8 gal (90.1 L) |
| Hydraulic Tank | 9.2 gal (34.9 L) |
| Engine Crankcase | 1.8 gal (6.9 L) |
| Hydraulic System | 14.5 gal (54.9 L) |
