Engine | Travel System | |||||||||||||
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Model | CUMMINS B3.9-C | Travel motors | DOOSAN/NABTESCO; Variable axial piston motor | |||||||||||
Type | Water cooling, turbocharged, empty enter-cooling | Support roller quantities | 2×7 | |||||||||||
Carrier roller quantities | 2×1 | |||||||||||||
No. of cylinder | 4 | Travel shoes | 2×44 | |||||||||||
Bore and stroke | 102mm×120mm | Travel speed | 3.59/5.57km/h | |||||||||||
Displacement | 3.9L | Drawbar pulling force | 98kN | |||||||||||
Power output | 86kW/2200rpm | Grade ability | 70% (35°) | |||||||||||
Ground clearance | 425mm | |||||||||||||
Hydraulic System | Cab & Control | |||||||||||||
Pump | KAWASAKI, Japan | Cab | All-weather, sound-suppressed Cab and equipped with a heavy, insulated Floor Mat; Front Window can be opened and slid; 6-direction adjustable Seat; LED display, Automatic monitoring, display and warning; cool & hot Air Conditioner | |||||||||||
Type | variable double–piston pump | |||||||||||||
Max. discharge flow | 2×108L/min | |||||||||||||
Max. discharge pressure | ||||||||||||||
Boom, arm and bucket | 31.9MPa | Control |
Two hand levers and two foot pedals for travel Two hand levers for excavating and swing;
Electric rotary-type engine throttle |
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Travel circuit | 31.9MPa | |||||||||||||
Swing circuit | 25.5MPa | |||||||||||||
Control circuit | 3.9MPa | Boom, Arm & Bucket | ||||||||||||
Pilot control pump | Gear type | Boom cylinder | 105mm×70mm×980mm | |||||||||||
Main control valve | Negative flow control | Arm cylinder | 115mm×80mm×1175mm | |||||||||||
Oil cooler | Air cooled type | Bucket cylinder | 95mm×65mm×885mm | |||||||||||
Swing System | Refilling Capacities&lubrications | |||||||||||||
Swing motor | KAWASAKI, Japan | Fuel tank | 238L | |||||||||||
Swing motor type | Axial-piston motor | Cooling system | 20L | |||||||||||
Brake | Hydraulic oil released | Engine oil | 15L | |||||||||||
Parking brake | Hydraulic disc brake | Hydraulic oil tank | 120L Tank oil level | |||||||||||
Swing speed | 12.6r/min | 208L Hydraulic system | ||||||||||||
Bucket | ||||||||||||||
Type | Backhoe bucket | |||||||||||||
Bucket capacity | 0.55m 3 (SAE) | |||||||||||||
Bucket width | 980mm | |||||||||||||
Arm Type | ||||||||||||||
A | Max. digging depth | 8495mm | ||||||||||||
B | Max. dumping height | 6065mm | ||||||||||||
C | Max. digging height | 5537mm | ||||||||||||
D | Max. vertical digging depth | 4907mm | ||||||||||||
E | Max. Depth cut for 2440m(8')Level Bottom | 5275mm | ||||||||||||
F | Max. digging distance | 8297mm | ||||||||||||
G | Max. digging radius at ground level | 8168mm | ||||||||||||
H | Min. swing radius of work equipment | 2426mm | ||||||||||||
Digging Force (ISO6015) Unit: kN | ||||||||||||||
Arm length | 2500mm | |||||||||||||
Bucket digging force | 73.5kN | |||||||||||||
Arm digging force | 60.8kN | |||||||||||||
Arm Type 2500mm | ||||||||||||||
A | Overall length | 7718mm | I | Tread | 2925mm | |||||||||
B | Ground contact length (Transportation) | 4209mm | J | Track length | 3659mm | |||||||||
C | Overall height(to top of boom) | 2674mm | K | Track gauge | 2000mm | |||||||||
D | Overall width | 2500mm | L | Track width | 2500mm | |||||||||
E | Overall height(to top of cab) | 2752mm | M | Shoe width | 500mm | |||||||||
F | Counter weight ground clearance | 912mm | O | Bonnet height | 2145mm | |||||||||
G | Ground clearance | 425mm | P | Revolving frame width | 2490mm | |||||||||
H | Tail swing radius | 2318mm | Q | Distance from swivel center to tail | 2318mm | |||||||||
Operating Weight and Ground Pressure | ||||||||||||||
Operating weight includes basic machine (with boom 4.6m, arm 2.5m, and bucket 0.55m 3 ) | ||||||||||||||
Shoe width | 500mm | |||||||||||||
Overall width | 2500mm | |||||||||||||
Ground pressure | 39KPa | |||||||||||||
Operating weight | 12800kg |