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SPECS BH77

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SpecificationDetail

Backhoe Specifications

Model BH77
Transport height 80.7 in. (2051 mm)
Stabilizer spread transport 51.8 in. (1315 mm)
Ground clearance 11.5 in. (292 mm)
Overall width 54.9 in. (1394 mm)
Maximum digging depth 93.6 in. (2378 mm)
Digging depth
2 ft, flat bottom 92.5 in. (2349 mm)
8 ft, flat bottom 69.2 in. (1758 mm)
Operating height, fully raised 119.3 in. (3029 mm)
Loading height 66.1 in. (1680 mm)
Loading reach 50.8 in. (1290 mm)
Reach from swing pivot 124.3 in. (3156 mm)
Swing pivot to rear axle center line 37.6 in. (954 mm)
Bucket rotation 180.0º
Stabilizer spread-operating 69.0 in. (1753 mm)
Angle of departure per SAE: J1234 17.5º
Leveling angle 10.2º
Swing arc 180.0º
Weight 850 lbs. (386 kg)

Backhoe Digging Force (Per SAE J49)

With arm cylinder 2190 lbs. (993 kgf)
With bucket cylinder 3421 lbs. (1552 kgf)

Backhoe Cycle Time (seconds)

Boom cylinder
Extend 3.5 sec.
Retract 3.1 sec.
Dipperstick cylinder
Extend 4.9 sec.
Retract 3.4 sec.
Bucket cylinder
Extend 3.2 sec
Retract 2.5 sec.
Stabilizer cylinder
Max. Height to ground 2.4 sec.
Ground to max. Height 2.0 sec.
Swing cylinder, from 70 degrees to center 2.1 sec. from 90º to center

Backhoe Hydraulic Cylinders

Boom cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.76 in. (7.0 cm)
Dipperstick cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.76 in. (7.0 cm)
Bucket cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.17 in. (5.5 cm)
Stabilizer cylinder
Rod diameter 1.18 in. (3.0 cm)
Cylinder bore 2.56 in. (6.5 cm)
Swing cylinder
Rod diameter 0.98 in. (2.5 cm)
Cylinder bore 1.97 in. (5.0 cm)

Backhoe Bucket Specifications

None 3, 3, 4, 5 tooth
Standard bucket
Width 10, 12, 16, 24 in. (25.4, 30.5, 40.6, 61.0 cm)
Capacity - heaped 0.74, 0.95, 1.38, 2.26 cu. ft. (0.021, 0.027, 0.039, 0.064 m³)
Capacity - struck 0.60, 0.77, 1.09, 1.70 cu. ft. (0.017, 0.022, 0.031, 0.048 m³)
Standard bucket
Weight 64, 71, 84, 104 lbs. (29, 32, 38, 47 kg)

Backhoe Specifications

Model BH77
Transport height 80.7 in. (2051 mm)
Stabilizer spread transport 51.8 in. (1315 mm)
Ground clearance 11.5 in. (292 mm)
Overall width 54.9 in. (1394 mm)
Maximum digging depth 93.6 in. (2378 mm)
Digging depth
2 ft, flat bottom 92.5 in. (2349 mm)
8 ft, flat bottom 69.2 in. (1758 mm)
Operating height, fully raised 119.3 in. (3029 mm)
Loading height 66.1 in. (1680 mm)
Loading reach 50.8 in. (1290 mm)
Reach from swing pivot 124.3 in. (3156 mm)
Swing pivot to rear axle center line 37.6 in. (954 mm)
Bucket rotation 180.0º
Stabilizer spread-operating 69.0 in. (1753 mm)
Angle of departure per SAE: J1234 17.5º
Leveling angle 10.2º
Swing arc 180.0º
Weight 850 lbs. (386 kg)

Backhoe Digging Force (Per SAE J49)

With arm cylinder 2190 lbs. (993 kgf)
With bucket cylinder 3421 lbs. (1552 kgf)

Backhoe Cycle Time (seconds)

Boom cylinder
Extend 3.5 sec.
Retract 3.1 sec.
Dipperstick cylinder
Extend 4.9 sec.
Retract 3.4 sec.
Bucket cylinder
Extend 3.2 sec
Retract 2.5 sec.
Stabilizer cylinder
Max. Height to ground 2.4 sec.
Ground to max. Height 2.0 sec.
Swing cylinder, from 70 degrees to center 2.1 sec. from 90º to center

Backhoe Hydraulic Cylinders

Boom cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.76 in. (7.0 cm)
Dipperstick cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.76 in. (7.0 cm)
Bucket cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.17 in. (5.5 cm)
Stabilizer cylinder
Rod diameter 1.18 in. (3.0 cm)
Cylinder bore 2.56 in. (6.5 cm)
Swing cylinder
Rod diameter 0.98 in. (2.5 cm)
Cylinder bore 1.97 in. (5.0 cm)

Backhoe Bucket Specifications

None 3, 3, 4, 5 tooth
Standard bucket
Width 10, 12, 16, 24 in. (25.4, 30.5, 40.6, 61.0 cm)
Capacity - heaped 0.74, 0.95, 1.38, 2.26 cu. ft. (0.021, 0.027, 0.039, 0.064 m³)
Capacity - struck 0.60, 0.77, 1.09, 1.70 cu. ft. (0.017, 0.022, 0.031, 0.048 m³)
Standard bucket
Weight 64, 71, 84, 104 lbs. (29, 32, 38, 47 kg)

Backhoe Specifications

Model BH77
Transport height 80.7 in. (2051 mm)
Stabilizer spread transport 51.8 in. (1315 mm)
Ground clearance 11.5 in. (292 mm)
Overall width 54.9 in. (1394 mm)
Maximum digging depth 93.6 in. (2378 mm)
Digging depth
2 ft, flat bottom 92.5 in. (2349 mm)
8 ft, flat bottom 69.2 in. (1758 mm)
Operating height, fully raised 119.3 in. (3029 mm)
Loading height 66.1 in. (1680 mm)
Loading reach 50.8 in. (1290 mm)
Reach from swing pivot 124.3 in. (3156 mm)
Swing pivot to rear axle center line 37.6 in. (954 mm)
Bucket rotation 180.0º
Stabilizer spread-operating 69.0 in. (1753 mm)
Angle of departure per SAE: J1234 17.5º
Leveling angle 10.2º
Swing arc 180.0º
Weight 850 lbs. (386 kg)

Backhoe Digging Force (Per SAE J49)

With arm cylinder 2190 lbs. (993 kgf)
With bucket cylinder 3421 lbs. (1552 kgf)

Backhoe Cycle Time (seconds)

Boom cylinder
Extend 3.5 sec.
Retract 3.1 sec.
Dipperstick cylinder
Extend 4.9 sec.
Retract 3.4 sec.
Bucket cylinder
Extend 3.2 sec
Retract 2.5 sec.
Stabilizer cylinder
Max. Height to ground 2.4 sec.
Ground to max. Height 2.0 sec.
Swing cylinder, from 70 degrees to center 2.1 sec. from 90º to center

Backhoe Hydraulic Cylinders

Boom cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.76 in. (7.0 cm)
Dipperstick cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.76 in. (7.0 cm)
Bucket cylinder
Rod diameter 1.38 in. (3.5 cm)
Cylinder bore 2.17 in. (5.5 cm)
Stabilizer cylinder
Rod diameter 1.18 in. (3.0 cm)
Cylinder bore 2.56 in. (6.5 cm)
Swing cylinder
Rod diameter 0.98 in. (2.5 cm)
Cylinder bore 1.97 in. (5.0 cm)

Backhoe Bucket Specifications

None 3, 3, 4, 5 tooth
Standard bucket
Width 10, 12, 16, 24 in. (25.4, 30.5, 40.6, 61.0 cm)
Capacity - heaped 0.74, 0.95, 1.38, 2.26 cu. ft. (0.021, 0.027, 0.039, 0.064 m³)
Capacity - struck 0.60, 0.77, 1.09, 1.70 cu. ft. (0.017, 0.022, 0.031, 0.048 m³)
Standard bucket
Weight 64, 71, 84, 104 lbs. (29, 32, 38, 47 kg)