Operating weight features (ft):Operating weight, including 28 ft. 7 in boom, 12 ft. 10 in arm, SAE J 296 heaped 15.7 yd3 general purpose backhoe bucket lubricant, coolant, full fuel tank, and the standard equipment.
Operating weight features (mm):Operating weight, including 8 700 mm boom, 3 900 mm arm, SAE J 296 heaped 12.0 m3 general purpose backhoe bucket lubricant, coolant, full fuel tank, and the standard equipment.
Triple grouser shoes
Operating weight with triple grouser 40 in (psi):22.8
Operating weight with triple grouser 1 010 mm (kg/cm^2):1.6
Operating weight with triple grouser 1 010 mm (kPa):157.2
Operating weight with triple trouser 1 010 mm (kg):206 050
Hydraulic cycle time (rated load in bucket)
Operating weight with triple grouser 40 in (lbs):454,134
Double grouser shoes
Operating weight with double grouser 32 in (lbs):445,054
Operating weight with double grouser 810 mm (kg):201 930
Operating weight with double grouser 810 mm (kg/cm^2):1.96
Operating weight with double grouser 810 mm (kPa):192.1
Hydraulic cylinders
Operating weight with double grouser 32 in (psi):27.9
Engine model:Komatsu SAA12V140E-7*
Cooling Type:Water-cooled, 4-cycle, direct injection
Bore (mm):140
Bore (in):5.51
Stroke (in):6.5
Stroke (mm):165
Piston displacement (L):30.48
Piston displacement (in^3):1,860
Engine Rated (rpm):1,800
Fan drive method for radiator cooling:Hydraulic
Horsepower
SAEJ1995 - Gross (HP):1,065
SAEJ1995 - Gross (kW):794
ISO 9249 / SAE J1349 - Net (kW):780
ISO 9249 / SAE J1349 - Net (HP):1,046
HydrauMind Type:Open-center load sensing system, 3 selectable working modes
Main pump
Maximum flow for attachment, swing and travel (L/min):2 317
Maximum flow for attachment, swing and travel (gpm):612
Maximum flow for fan drive (L/min):324
Gear Type:Variable capacity piston pumps
Main pumps for:Boom, arm, bucket, swing, and travel circuits
Pumps for:Boom, arm, bucket, swing, and travel circuits
Variable Type:Variable capacity piston pumps
Hydraulic cylinders
Maximum flow for fan drive (gpm):85.6
Relief valve setting
Pilot circuit (psi):464
Pilot circuit (kgf/cm^2):33
Pilot circuit (MPa):3.2
Swing circuit (psi):4 270
Travel circuit (psi):4 760
Swing circuit (kgf/cm^2):300
Swing circuit (MPa):29.4
Travel circuit (kgf/cm^2):335
Travel circuit (MPa):32.9
Backhoe (psi):4 270
Backhoe (kgf/cm^2):300
Backhoe (Mpa):29.4
Hydraulic cylinders
Boom (Number of cylinders – bore x stroke x rod diameter)(in):11.8 x 104.2
Boom (Number of cylinders – bore x stroke x rod diameter)(mm):300 x 2 647
Bucket (Number of cylinders – bore x stroke x rod diameter)(in):7.9 x 85.4
Bucket (Number of cylinders – bore x stroke x rod diameter)(mm):200 x 2 170
Arm (Number of cylinders – bore x stroke x rod diameter)(in):9.8 x 84.2
Arm (Number of cylinders – bore x stroke x rod diameter)(mm):250 x 2 138
Hydraulic motors
Swing:2 x axial piston motors with swing holding brake