- Width Over Tracks: 5.5 ft / 1676 mm
- Height To Top Of Cab: 6.68 ft / 2035 mm
- Ground Clearance: 10 in / 254 mm
- Clearance At Max Lift And Dump: 7.58 ft / 2309 mm
Published dimensions and weight
Caterpillar 257B Series 3
The Caterpillar 257B Series 3 is a multi terrain loader of about 3.7 t, powered by a 71 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight8060.1 lb3656 kg
03Selected published values80
Multi-terrain loaders are commonly used for loading and attachment work where low ground pressure and tracked mobility are useful. Published rows for Caterpillar 257B Series 3 include published breakout force of 4508.5 lb / 2045 kg, published operating weight of 8060.1 lb / 3656 kg, published engine power of 74 hp / 55.2 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Width Over Tracks” field (5.5 ft / 1676 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (6.68 ft / 2035 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Ground Clearance” field (10 in / 254 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Width Over Tracks5.5 ft1676 mm
Height To Top Of Cab6.68 ft2035 mm
Ground Clearance10 in254 mm
Clearance At Max Lift And Dump7.58 ft2309 mm
Reach At Max Lift And Dump2.49 ft758 mm
Length - Track On Ground59 in1498.6 mm
Length - With Bucket On Ground135 in3429 mm
Length - Without Bucket107 in2717.8 mm
Length With Out Bucket8.92 ft2718 mm
Bucket Pin Height - Maximum Lift10.09 in0.26 m
Clearance At Maximum Lift And Dump91 in2311.4 mm
Departure Angle37 degrees37 degrees
Height - Top Of Cab6.67 in0.17 m
Turning Radius From Center - Inc Bucket86.3 in2192 mm
Turning Radius From Center - Machine Rear57.13 in1451 mm
Vehicle Width66 in1676.4 mm
Length With Bucket11.29 ft3439 mm
Bucket Pin Height - Carry Position8 in203.2 mm
Maximum Dump Angle50 degrees50 degrees
Maximum Overall Height153 in3886.2 mm
Maximum Reach - With Arms Parallel53 in1346.2 mm
Overall Length - Track75 in1905 mm
Rack Back Angle - Maximum Height87 degrees87 degrees
Reach At Maximum Lift/Dump30 in762 mm
Turn Radius From Center - Bucket86 in2184.4 mm
Turn Radius From Center - Coupler56 in1422.4 mm
Turn Radius From Center - Rear57 in1447.8 mm
Undercarriage
Length Of Track On Ground4.92 ft1499 mm
Ground Contact Area1770 in21.15 m2
Ground Pressure4.5 psi31.03 kPa
Engine
Engine Make22362236
Engine ModelC3.4 DITC3.4 DIT
Gross Power74 hp55.2 kw
Net Power71 hp53 kw
Displacement201 cu in3.3 L
Bore3.7 in94 mm
Stroke4.7 in119.4 mm
Gross Power - Sae J199574 hp55.2 kw
Net Power - Iso 9249 Eec71 hp53 kw
Net Power - Sae 134971 hp53 kw
Operational
Operating Weight8060.1 lb3656 kg
Cooling System Fluid Capacity2.7 gal10 L
Engine Oil Capacity2.4 gal9 L
Fuel Capacity22.2 gal84 L
Hydraulic System Fluid Capacity14.6 gal55 L
Operating Voltage12 V12 V
Alternator Supplied Amperage90 amps90 amps
Max Speed - Low Range6.9 mph11.2 km/h
Max Speed - High Range10 mph16.1 km/h
Power Train
Travel Speed Forward6.9 mph11.2 km/h
Travel Speed Reverse6.9 mph11.2 km/h
Travel Speed Reverse - 2-Speed Option10 mph16.1 km/h
Travel Speed Forward - 2-Speed Option10 mph16.1 km/h
Loader
Breakout Force4508.5 lb2045 kg
Operating Load2674.3 lb1213 kg
Tipping Angle5350.7 degrees5350.6187 degrees
Weights
Operating Weight8060 lb3656 kg
Hydraulic
Pump Flow22 gal/min83 L/min
Relief Valve Pressure3335 psi22994 kPa
Hydraulic System
Hydraulic Flow (1)StandardStandard
Hydraulic Power42.8 hp32 kw
Loader Hydraulic Pressure3335 psi3335 psi
Hydraulic Flow (2)High FlowHigh Flow
Hydraulic Power - Calculated60.3 hp45 kw
Loader Hydraulic Flow (1)22 gal/min22 gal/min
Loader Hydraulic Flow (2)31 gal/min31 gal/min
Operating Specifications
Rated Operating Capacities - 50% Tipping Load2675 lb1213.4 kg
Rated Operating Capacities - 35% Tipping Load1870 lb848.3 kg
Ground Contact Area1770 in21.2 m2
Ground Pressure4.5 psi4.5 psi
Tipping Load5350 lb2426.8 kg
Breakout Force - Tilt Cylinder4508 lb2044.8 kg
Service Refill Capacities
Cooling System2.6 gal9.9 L
Fuel Tank22.2 gal84.1 L
Hydraulic Tank9.2 gal34.9 L
Engine Crankcase2.4 gal9.1 L
Hydraulic System14.5 gal54.9 L
Cab
RopsSAE J1040 MAY94, ISO 3471:1994SAE J1040 MAY94, ISO 3471:1994
FopsSAE J1043 SEPT87, ISO 3449:1992 Level ISAE J1043 SEPT87, ISO 3449:1992 Level I
Fops Level IiSAE J231 JAN81, ISO 3449:1992 Level IISAE J231 JAN81, ISO 3449:1992 Level II
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Manufacturer-published specifications.