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CAT CAT®257D Compact crawler loader

CAT CAT®257D Compact crawler loader

Operating mass of complete machine (kg):
3651.0
Rated load (kg):
1270.0
Engine model:
Cat C3.3B(涡轮)
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Product Feature

Product Parameter


Operating specifications

Rated operating capacity:50% Tipping load 1270.0 kg

Working specifications*

Rated working capacity with optional counterweight 1361.0 kg
Tilt cylinder digging force 2284.0 kg
Tipping load 2540.0 kg
Ground contact area 1.14 m²
Ground pressure 31.3 kPa
Rated operating capacity(35% Tipping load) 889.0 kg
Rated operating capacity(50% Tipping load) 1270.0 kg

Size(Approximation)*

Reach at maximum lift and dump position 637.0 mm
Clearance at maximum lift and dump position 2300.0 mm
Caster angle at maximum height 87°
Bucket pin height in carry position 215.0 mm
Total length of track 1898.0 mm
Ground contact length of track 1499.0 mm
Maximum unloading angle 52°
Maximum overall height 3932.0 mm
Bucket pin height at maximum lift height 3091.0 mm
Bucket pin extension at maximum lift height 367.0 mm
Departure angle 35°
Ground clearance 242.0 mm
Maximum reach with the arm parallel to the floor 1334.0 mm
Steering radius from center to rear of machine 1555.0 mm
Turning radius from center to connector 1399.0 mm
Steering radius from center to bucket 2191.0 mm
Height to top of cab 2129.0 mm
Vehicle width 1676.0 mm
Length with bucket on the ground 3486.0 mm
Length(Bucket is not included) 2767.0 mm

Hydraulic system

Hydraulic flow – Standard:Hydraulic power(Calculated value) 29.0 kW
Hydraulic flow – Standard:Loader hydraulic pressure 23000.0 kPa
Hydraulic flow – Standard:Loader hydraulic flow 76.0 l/min
Hydraulic flow – High flow:Maximum loader hydraulic pressure 23000.0 kPa
Hydraulic flow – High flow:Maximum loader hydraulic flow 112.0 l/min
Hydraulic flow – High flow:Hydraulic power(Calculated value) 43.0 kW

Cab

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

Power train

Travel speed(Forward or backward):Single speed 10.1 km/h
Travel speed(Forward or backward):Two speed(Optional) 16.0 km/h

Maintenance refill capacity

Cooling system 14.0 l
Engine crankcase 11.0 l
Fuel tank 105.0 l
Hydraulic system 50.0 l
Hydraulic oil tank 39.0 l

Engine

Engine model Cat C3.3B(Turbine)
Net power 53.8 kW
Total power(SAE J1995) 55.4 kW
Net power(ISO 9249)† 53.8 kW
Displacement 3.3 l
Cylinder bore 94.0 mm
Stroke 120.0 mm
Notice (1) †In line with the United States EPA Tier 2/European Union Stage II Equivalent emission standards(Not available in all regions)。
Net power(SAE 1349)† 54.3 kW
Net power(SAE 1349)†† 54.2 kW
Net power(ISO 9249)†† 54.8 kW
Notice (2) ††In line with the United States EPA Tier 4 Interim/European Union Stage IIIA Equivalent emission standards(Not available in all regions)。

Weight*

Notice *257D And 287D Operating weight of、Working specifications and dimensions are based on a weight of 75 kg(165 lb)The operator of、All fluids、Single speed(257D)/Two speed(287D)、OROPS、1676 mm(66")Dust-type bucket、Standard flow hydraulic unit、Mechanical suspension seat、Without optional counterweight and manual quick coupler(Unless otherwise noted)。
Operating weight 3651.0 kg

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