CAT 257B Series 3 Compact Track Loader


Dimensions

Width Over Tracks 5.5 ft in (1676 mm)
Height To Top Of Cab 6.68 ft in (2035 mm)
Ground Clearance 10 in (254 mm)
Clearance At Max Lift And Dump 7.58 ft in (2309 mm)
Reach At Max Lift And Dump 2.49 ft in (758 mm)
Length – Track On Ground 59 in (1498.6 mm)
Length – With Bucket On Ground 135 in (3429 mm)
Length – Without Bucket 107 in (2717.8 mm)
Length With Out Bucket 8.92 ft in (2718 mm)
Bucket Pin Height – Maximum Lift 10.09 ft in (0.26 m)
Clearance At Maximum Lift And Dump 91 in (2311.4 mm)
Departure Angle 37 degrees
Height – Top Of Cab 6.67 ft in (0.17 m)
Turning Radius From Center – Inc Bucket 86.3 in (2192 mm)
Turning Radius From Center – Machine Rear 57.13 in (1451 mm)
Vehicle Width 66 in (1676.4 mm)
Length With Bucket 11.29 ft in (3439 mm)
Bucket Pin Height – Carry Position 8 in (203.2 mm)
Maximum Dump Angle 50 degrees
Maximum Overall Height 153 in (3886.2 mm)
Maximum Reach – With Arms Parallel 53 in (1346.2 mm)
Overall Length – Track 75 in (1905 mm)
Rack Back Angle – Maximum Height 87 degrees
Reach At Maximum Lift/Dump 30 in (762 mm)
Turn Radius From Center – Bucket 86 in (2184.4 mm)
Turn Radius From Center – Coupler 56 in (1422.4 mm)
Turn Radius From Center – Rear 57 in (1447.8 mm)

Undercarriage

Length Of Track On Ground 4.92 ft in (1499 mm)
Ground Contact Area 1770 in2 (1.15 m2)
Ground Pressure 4.5 psi (31.03 kPa)

Engine Details

Engine Make CAT
Engine Model C3.4 DIT
Gross Power 74 hp (55.2 kw)
Net Power 71 hp (53 kw)
Displacement 201 cu in (3.3 L)
Bore 3.7 in (94 mm)
Stroke 4.7 in (119.4 mm)
Gross Power – Sae J1995 74 hp (55.2 kw)
Engine Model Cat C3.4 DIT
Net Power – Iso 9249 Eec 71 hp (53 kw)
Net Power – Sae 1349 71 hp (53 kw)

Operational Specs

Operating Weight 8060.1 lb (3656 kg)
Cooling System Fluid Capacity 2.7 gal (10 L)
Engine Oil Capacity 2.4 gal (9 L)
Fuel Tank Capacity 22.2 gal (84 L)
Hydraulic System Fluid Capacity 14.6 gal (55 L)
Operating Voltage 12 V
Alternator Supplied Amperage 90 amps
Max Speed – Low Range 6.9 mph (11.2 km/h)
Max Speed – High Range 10 mph (16.1 km/h)

Power Train

Travel Speed Forward 6.9 mph (11.2 km/h)
Travel Speed Reverse 6.9 mph (11.2 km/h)
Travel Speed Reverse – 2-Speed Option 10 mph (16.1 km/h)
Travel Speed Forward – 2-Speed Option 10 mph (16.1 km/h)

Loader

Breakout Force 4508.5 lb (2045 kg)
Operating Load 2674.3 lb (1213 kg)
Tipping Angle 5350.7 degrees (5350.6187 degrees)

Weights

Operating Weight 8060 lb (3656 kg)

Hydraulic

Pump Flow 22 gal/min (83 L/min)
Relief Valve Pressure 3335 psi (22994 kPa)

Hydraulic System

Hydraulic Flow (1) Standard
Hydraulic Power 42.8 hp (32 kw)
Loader Hydraulic Pressure 3335 psi
Hydraulic Flow (2) High Flow
Hydraulic Power – Calculated 60.3 hp (45 kw)
Loader Hydraulic Flow (1) 22 gal/min
Loader Hydraulic Flow (2) 31 gal/min

Operating Specifications

Rated Operating Capacities – 50% Tipping Load 2675 lb (1213.4 kg)
Rated Operating Capacities – 35% Tipping Load 1870 lb (848.3 kg)
Ground Contact Area 1770 in2 (1.2 m2)
Ground Pressure 4.5 psi
Tipping Load 5350 lb (2426.8 kg)
Breakout Force – Tilt Cylinder 4508 lb (2044.8 kg)

Service Refill Capacities

Cooling System 2.6 gal (9.9 L)
Fuel Tank Capacity 22.2 gal (84.1 L)
Hydraulic Tank 9.2 gal (34.9 L)
Engine Crankcase 2.4 gal (9.1 L)
Hydraulic System 14.5 gal (54.9 L)

Cab

Rops SAE J1040 MAY94, ISO 3471:1994
Fops SAE J1043 SEPT87, ISO 3449:1992 Level I
Fops Level Ii SAE J231 JAN81, ISO 3449:1992 Level II
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