CAT 257D Compact Track Loader


Dimensions

Ground Clearance 0.8 ft in (241.3 mm)
Bucket Pin Height – Carry Position 8.5 in (215.9 mm)
Bucket Pin Height – Maximum Lift 10.15 ft in (0.26 m)
Bucket Pin Reach – Maximum Lift 14.5 in (368.3 mm)
Clearance At Maximum Lift And Dump 90.5 in (2298.7 mm)
Departure Angle 35 degrees
Height – Top Of Cab 6.99 ft in (0.18 m)
Length – Track On Ground 59 in (1498.6 mm)
Length – With Bucket On Ground 137.31 in (3487.42 mm)
Length – Without Bucket 108.9 in (2766.06 mm)
Maximum Dump Angle 52 degrees
Maximum Overall Height 154.81 in (3931.92 mm)
Maximum Reach – With Arms Parallel To Ground 52.5 in (1333.5 mm)
Overall Length – Track 74.7 in (1897.38 mm)
Rack Back Angle – Maximum Height 87 degrees
Reach – Maximum Lift/Dump 25.1 in (637.54 mm)
Turning Radius From Center – Bucket 86.3 in (2192.02 mm)
Turning Radius From Center – Coupler 55.1 in (1399.54 mm)
Turning Radius From Center – Machine Rear 61.2 in (1554.48 mm)
Note Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, one speed, OROPS, 1676 mm (66 in) dirt bucket, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).
Vehicle Width 66 in (1676.4 mm)

Engine Details

Gross Power 74.3 hp (55.5 kw)
Net Power 73.2 hp (54.6 kw)
Displacement 203 cu in (3.4 L)
Bore 3.7 in (94 mm)
Stroke 4.7 in (119.4 mm)
Net Power – Iso 9249 73.9 hp (55.2 kw)
Gross Power – Sae J1995 74.3 hp (55.5 kw)
Engine Model Cat C3.3B DIT (turbo)
Net Power – Sae 1349 73.2 hp (54.6 kw)
Peak Torque – 1,500 Rpm – Sae J1995 195 lb ft (264.4 Nm)

Operational Specs

Operating Weight 8048 lb (3650.6 kg)

Power Train

Travel Speed – Forward Or Reverse – One Speed 6.3 mph (10.2 km/h)
Travel Speed – Forward Or Reverse – Two Speed Option 9.9 mph (16 km/h)

Weights

Note Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, one speed, OROPS, 1676 mm (66 in) dirt bucket, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).

Hydraulic System

Hydraulic Flow – Standard – Loader Hydraulic Pressure 3335 psi
Hydraulic Flow – Standard – Loader Hydraulic Flow 20 gal/min
Hydraulic Flow – Standard – Hydraulic Power (Calculated) 39 hp (29.1 kw)
Hydraulic Flow – High Flow – Hydraulic Power (Calculated) 58 hp (43.3 kw)
Hydraulic Flow – High Flow – Maximum Loader Hydraulic Pressure 3335 psi
Hydraulic Flow – High Flow – Maximum Loader Hydraulic Flow 30 gal/min

Operating Specifications

Note Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, one speed, OROPS, 1676 mm (66 in) dirt bucket, standard flow hydraulics, mechanical suspension seat, no optional counterweights and manual quick coupler (unless otherwise noted).
Rated Operating Capacities – 50% Tipping Load 2800 lb (1270.1 kg)
Rated Operating Capacities – 35% Tipping Load 1960 lb (889.1 kg)
Ground Contact Area 1770 in2 (1.2 m2)
Ground Pressure 4.5 psi
Rated Operating Capacity With Optional Counterweight 3000 lb (1360.8 kg)
Tipping Load 5600 lb (2540.2 kg)
Breakout Force – Tilt Cylinder 5035 lb (2283.9 kg)

Service Refill Capacities

Cooling System 3.7 gal (14.1 L)
Fuel Tank Capacity 27.7 gal (104.9 L)
Hydraulic Tank 10.3 gal (39 L)
Engine Crankcase 3 gal (11.4 L)
Hydraulic System 13.2 gal (50 L)

Cab

Rops ISO 3471:2008
Fops ISO 3449:2005 Level I
Fops Level Ii ISO 3449:2005 Level II

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.81 kg of refrigerant which has a CO2 equivalent of 1.158 metric tonnes.

Noise Level

Note (1) Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
Note (2) **The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds.
Note (3) ***The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
Inside Cab** 83 dB(A)
Outside Cab*** 103 dB(A)
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