Caterpillar 257D Compact Track Loader

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.

Cab

FOPS ISO 3449:2005 Level I
FOPS Level II ISO 3449:2005 Level II
ROPS ISO 3471:2008

Dimensions

Bucket Pin Height – Carry Position 9 in (22 cm)
Bucket Pin Height – Maximum Lift 10 ft (3 m)
Bucket Pin Reach – Maximum Lift 15 in (37 cm)
Clearance at Maximum Lift and Dump 91 in (230 cm)
Departure Angle 35 degrees
Ground Clearance 1 ft (0 m)
Height – Top of Cab 7 ft (2 m)
Length – Track on Ground 59 in (150 cm)
Length – With Bucket on Ground 137 in (349 cm)
Length – Without Bucket 109 in (277 cm)
Maximum Dump Angle 52 degrees
Maximum Overall Height 155 in (393 cm)
Maximum Reach – With Arms Parallel to Ground 53 in (133 cm)
Overall Length – Track 75 in (190 cm)
Rack Back Angle – Maximum Height 87 degrees
Reach – Maximum Lift/Dump 25 in (64 cm)
Turning Radius from Center – Bucket 86 in (219 cm)
Turning Radius from Center – Coupler 55 in (140 cm)
Turning Radius from Center – Machine Rear 61 in (155 cm)
Vehicle Width 66 in (168 cm)

Engine

Bore 4 in (9 cm)
Displacement 203 cu in (3,327 cu cm)
Engine Model Cat C3.3B DIT (turbo)
Gross Power – SAE J1995 74 hp (55 kw)
Net Power 73 hp (55 kw)
Net Power – ISO 9249 74 hp (55 kw)
Net Power – SAE 1349 73 hp (55 kw)
Peak Torque – 1,500 rpm – SAE J1995 195 ft (59 m)
Stroke 5 in (12 cm)

Hydraulic System

Hydraulic Flow – High Flow – Hydraulic Power (Calculated) 58 hp (43 kw)
Hydraulic Flow – Standard – Hydraulic Power (Calculated) 39 hp (29 kw)
Hydraulic Flow – Standard – Loader Hydraulic Flow 20 gpm (76 lpm)
Hydraulic Flow – Standard – Loader Hydraulic Pressure 3335 psi

Loader

Operating Load Rating 1,960 lbs (889 kg)
Operating Width 66 in (168 cm)

Noise Level

Inside Cab* 83 dB(A)
Note (1) Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
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.
Outside Cab** 103 dB(A)

Operating Specifications

Breakout Force – Tilt Cylinder 5,035 lbs (2,284 kg)
Ground Contact Area 1,770 cu in (29,005 cu cm)
Ground Pressure 4.5 psi
Rated Operating Capacities – 35% Tipping Load 1,960 lbs (889 kg)
Rated Operating Capacities – 50% Tipping Load 2,800 lbs (1,270 kg)
Rated Operating Capacity with Optional Counterweight 3,000 lbs (1,361 kg)
Tipping Load 5,600 lbs (2,540 kg)

Power Train

Travel Speed – Forward or Reverse – One Speed 6 mph (10 kph)

Service Refill Capacities

Cooling System 4 gal (14 l)
Engine Crankcase 3 gal (11 l)
Fuel Tank 28 gal (105 l)
Hydraulic System 13 gal (50 l)
Hydraulic Tank 10 gal (39 l)
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