excavator

JCM Crawler Excavator 921C,equipped with highly reliable safety control system;operated much more ease and comfo

Main Specifications

 

Working range                           Unit: m

 

Arm length                              2.919m

Max digging radius                      9.853m

Max digging depth                       6.62m

Max digging height                      9.305m

Min swing radius of work equipment      3.585m

 

Overall Dimensions                      Unit: m

 

Arm length                              2919mm

Overall length                          9549mm

Overall height (to top of boom)         3073mm

Overall width (to top of cab)           2932.5mm

Ground clearance                        468mm

Tail swing radius                       2905mm

Shoe width                              600mm

Engine:

Model: CUMMINS B5.9-c (Tier2)

Type: 6 cylinders   turbocharge   efi,water cooled

Displacement: 5.9L

Power output: 112KW/1950rpm

 

Travel System:

Travel shoes: 2X46

Travel speed:3.3/5.4(km/h)

Drawbar pulling force: 167KN

Grade ability: 70 %( 35°)

Ground clearance: 468mm

 

Hydraulic System:

Max. Discharge flow: 2X215(L/min)

Main control valves: Negative flow control system

Oil cooler: Air cooler

 

Max. Discharge pressure:

Boom, arm and bucket: 31.9Mpa

Travel circuit: 31.9Mpa

Swing circuit: 25.5Mpa

Control circuit: 3.9Mpa

 

Swing System:

Swing Speed: 11.5r/min

Tail swing radius: 2905mm

 

Controls:

Two hand levers and tow foot pedals for travel   Electric control/hand control throttle

Refilling Capacities lubrications:

Fuel tank: 360L

Cooling system: 25L

Engine oil: 20L

Travel reduction gear: 2X5.4L

Hydraulic oil tank: 250L/420L 

 

Operation Weight and Ground Pressure:

Shoe width: 600mm

Overall width: 2800mm

Ground pressure: 45Kpa

Operating weight: 20500Kg

 

Bucket:

Work ranges of bucket: 0.36-1.0m3

Bucket width: 1189mm

 

Digging Force (ISO6015):

Range:

Arm length: 2919mm

Bucket digging force: 115KN

Arm digging force: 92.5KN

 

 

excavator