Truck Mounted Backhoe

Model

Any basic 2-1/2 ton cab-chassis. The rear of the truck frame from rear axle back must be completely empty to allow for the backhoe to go into the operating position and brake chambers must be forward of rear axle. Cruise control with RPM increase/decrease switch interface with wires to end of frame and park brake and neutral interlock required. An electronic tachometer to 3000 RPM is also required.

Wheelbase

129″ Minimum to 141″ Maximum

Cab to Axle Distance

60″ Minimum to 72″ Maximum

Frame Size

50,000 PSI (equivalent or better)8.28″ x 2.75″ x 0.25″ 18.0 section modulus (SM) with inverted L

Front Axle

Spicer I-80 or equivalent with a weight rating of 8,000 lbs or more

Drive Axle

Spicer N-175 or equivalent with a weight rating of 17,500 lbs or more

Suspension

Front: 9,000 lb capacity leafsprings with telescoping shock absorbers or equivalentRear: 23,500 lb capacity leafsprings with 4,500 lb cap auxiliary springs or equivalent

Tires

10R-22.5-10 ply rating Steel Belted Radials on painted steel disc wheels

Brakes

Hydro-Max II hyrdaulic system or equivalent (contact Master Craft for required specs of air brakes)

Steering

Power steering preferred

Exhaust System

Single vertical exhaust at RH rear of cab

Engine

Power: Must match or exceed required specs of the transmission used – engine hour meter, QB-3 shutdown system or equivalent, largest radiator available from manufacturer

Transmission

Allison MD 3560 automatic transmission (or equivalent) with PTO capabilitiesEaton Fuller FS-6406A manual transmission (or equivalent) with PTO capabilities

Fuel Tanks

Fuel tanks must not extend past the back of the cab

Hydraulic Capacity

40 gal.

Hydraulic Filtration

Replaceable cartridge filter

Dig Depth (A)

2ft Flat Bottom SAE – 14’7″ (4450 mm)Max Dig Depth – 16’1″ (4890 mm)SAE – 14’8″ (4460 mm)

Reach Ground (B)

Level to Swing Post – 18’9″ (5726 mm)

Loading Reach (C)

6’7″ (2000 mm)

Operating Height (D)

18’7″ (5670 mm)

Loading Height (E)

Max Load Height – 12’9″ (3882 mm)SAE – 11’8″ (3469 mm)

Max Straight Wall Load Height (F)

8’6″ (2591 mm)

Bucket Rotation (G)

Power – 163ºSpeed – 194º

Side Reach From Stabilizers

12’7″ (3835 mm)

Stabilizer Spread

11’3″ (3430 mm)

Max Leveling Angle

15º

Swing Torque

11875 ft·lb16100 N·m

Dipper Tearout

8670 lbs3946 kg

Bucket Tearout – Speed

11596 lbs5260 kg

Bucket Tearout – Power

12696 lbs5759 kg

Lift Capacity (To Full Height)

2952 lbs1339 kg

Lift Capacity (inc. Basket)

2646 lbs1203 kg