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B851 Series Backhoe


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B851 Series Backhoe

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Features

  • Three-Point rigid mounting for Category I and II -- Suitable for 30 to 65 HP tractors.
    Allows weight transfer onto backhoe when the hydraulic stabilizers are down and locks backhoe into position for maximum digging power.
  • Lower drawbar link locks standard for more stability in operation and transportation of the backhoe.
  • Semi-rigid Frame Mountings available for selected tractors.
  • Mountings available for selected skid steer loaders.
  • Bucket widths available range from 9" to 36".
    Buckets are heavy-duty with side cutting edges and "2A" size replaceable teeth for digging in all types of soil.
  • Optional ripper tooth for roots and frozen or compacted soil.
  • Patented Hydraulic Swing Cushioning slows and stops swing automatically at end of travel which prevents "Shock Load".
  • Dual double acting swing cylinders -- one pushing, one pulling, for a powerful, smooth and controllable full 180° swing.
  • Equipped with a boom safety lock for transportation.
  • Optional independent hydraulic system pump rated for 9 GPM.
  • Optional yellow and black color; all black standard.

Specifications

Tractor hydraulics must be rated for at least 2000 PSI.

Tractor front counter weights may be needed for stability and safe operation.

Specifications and design are subject to change without notification.

U.S. Patent No. 4,393,751 applies.

Backhoe specification drawing

Specifications are based on boom pivot being 11" above ground level and will vary with tractor model.

A Maximum digging depth 9' 0"
Digging depth with 2' flat bottom 8' 6"
B Reach from swing pivot 11' 2"
C Transport height 7' 8"
D Bucket clearance 7' 6"
E Bucket curl 180°
F Swing arc 180°
G Stabilizer spread, operating position 9' 4"
H Stabilizer spread, transport position 5' 10"
Bucket pry-out power 6,725 lbs.
Bucket curl power at cutting lip 3,591 lbs.
Crowd power at end of dipper stick 2,510 lbs.
Lift at end of boom 733 lbs.
Lift at end of dipper stick fully extended 582 lbs.
Hydraulic system relief valve setting 2,200 PSI
Hydraulic flow requirements 6.0 to 8.0 GPM

Approximate shipping weight 1,238 lbs. ( less bucket )


Bucket width Cutting width Number of teeth Struck capacity Heaped capacity Weight
9" 10" 3 0.75 cu. ft. 0.86 cu. ft. 86 lbs.
12" 13" 3 1.00 cu. ft. 1.14 cu. ft. 90 lbs.
15" 16" 4 1.25 cu. ft. 1.56 cu. ft. 101 lbs.
18" 19" 4 1.50 cu. ft. 1.85 cu. ft. 112 lbs.
24" 25" 5 2.00 cu. ft. 2.38 cu. ft. 133 lbs.
36" 37" 6 3.00 cu. ft. 3.40 cu. ft. 160 lbs.
Ripper tooth attachment         50 lbs.


Hydraulic cylinder Piston diameter Stroke
Boom 2-1/2" 26"
Dipper stick 2-1/2" 20"
Bucket 2-1/2" 20"
Swing 2-1/2" 10"
Stabilizer 2" 13"

Optional Equipment

Optional backhoe equipment







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Page last modified 2007/09/14