Specification sheet Compact Track Loader Ref caterpillar-257b-series-3-multi-terrain-loader

Caterpillar 257B Series 3

The Caterpillar 257B Series 3 is a compact track loader with an operating weight of 8,060.1 lb (3,656 kg), a 71 hp engine, a rated operating capacity of 2,674.21 lb (1,213 kg), and a tipping load of 5,350 lb (2,426.8 kg).

✓ QA-verified — every figure checked for unit consistency, physical possibility, and class plausibility; failures withheld →
Operating weight
8,060.1lb
3,656kg
Engine power
71hp
52.95kW
Net Power
Rated operating capacity
2,674.21lb
1,213kg
Tipping load
5,350lb
2,426.8kg

Where it sits in its classpercentile · compact track loaders

Among 184 compact track loaders , the Caterpillar 257B Series 3 sits below the median for its class:

  • Operating weight 8,060 lb lighter than 68% (n=182)
  • Engine power 71 hp less powerful than 60% (n=167)
  • Rated operating capacity 2,670 lb higher-rated than 51% (n=156)

Scale drawingdrawn to scale · mm

2035C254D3439A2718B1499E
Side elevation
2035C1676F
Front elevation

01 Engine Specification

Engine Make 2236
Engine Model C3.4 DIT
Gross Power 74hp 55.2kw
Net Power 71hp 53kw
Displacement 201cu in 3.3L
Bore 3.7in 94mm
Stroke 4.7in 119.4mm
Gross Power - Sae J1995 74hp 55.2kw
Engine Model Cat C3.4 DIT
Net Power - Iso 9249 Eec 71hp 53kw
Net Power - Sae 1349 71hp 53kw

02 Operational Specification

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

03 Power Train Specification

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

04 Loader Specification

Breakout Force 4508.5lb 2045kg
Operating Load 2674.3lb 1213kg

05 Weights Specification

Operating Weight 8060lb 3656kg

06 Hydraulic Specification

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

07 Hydraulic System Specification

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

08 Operating Specifications Specification

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

09 Service Refill Capacities Specification

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

10 Cab Specification

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

11 Dimensions Dimensions

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

12 Undercarriage Dimensions

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

Method. Figures are manufacturer reference specifications, not measurements. Every value is checked for unit consistency, physically possible magnitude, and plausibility for its equipment class before publication; figures that fail any check are withheld rather than shown, and figures reconstructed from related data are marked above. Imperial and metric figures are reproduced as published, except where a note states otherwise.