Backhoe Loader · 1981Unverified
J.I. Case 780B Construction King
J.I. Case 780B Construction King — Backhoe loader tractor · 120 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
120 hp
Weight
21083 to 22908 pounds
Hover a source tag to verify
Overview
ManufacturerJ.I. CaseReference
Backhoe loader tractorReference
Two-wheel driveReference
Final drivesoutboard planetaryReference
Power steeringReference
Four-post ROPS canopy. Cab optional with available air-conditioning.Reference
Engine
J.I. Case 5.5L 4-cyl dieselReference
Engine (gross)89.5 kWReference
Engine (net)82.8 kWReference
J.I. Case A336BDTReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement5.5 LReference
Bore/Stroke117 x 127 mmReference
Power (net)82.8 kWReference
Power (gross)89.5 kWReference
Fuel systemdirect injevtionReference
Air cleanerdryReference
Compression15.8:1Reference
Rated RPM2200Reference
Torque451.5 NmReference
Torque RPM1500Reference
StarterelectricReference
Starter volts24Reference
Oil capacity11.4 LReference
Coolant capacity34.1 LReference
Transmission
3-speed power shiftReference
Typepower shiftReference
Gears3 forward and reverseReference
Three-speed power shift transmission with power shuttle and torque converter.Reference
Capacities
Fuel124.9 LReference
PTO & Hydraulics
Hydraulic system71.5 LReference
Typeopen centerReference
Capacity71.5 LReference
Pump flow111.7 lpmReference
Pump flow98.4 lpmReference
Total flow210.1 lpmReference
Dimensions
Wheelbase220 cmReference
Weight21083 to 22908 poundsReference
Front tire14x17.5Reference
Rear tire18.4x24Reference
Industrial front14x17.5Reference
Industrial rear18.4x24Reference
Length762 cmReference
Width251 cmReference
Weight9563 kgReference
Weight10391 kgReference
Front tread198 cmReference
Rear tread180 cmReference
Steering wheel215 cmReference
Backhoe & Loader
Dump angle124 cmReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps40Reference
Batteries2Reference
Battery CCA600Reference
Battery volts12Reference
Attachment overview
Front-end loaderReference
BackhoeReference
J.I. Case Backhoe
Backhoe typeJ.I. Case BackhoeReference
Transport height401 cmReference
2-Foot flat digging depth556 cmReference
Reach from pivot668 cmReference
Loading height345 cmReference
Bucket Rotation156°Reference
Swing Arc180°Reference
Bucket force6187 kgReference
Dipperstick force4975 kgReference
J.I. Case Extendahoe Backhoe
Backhoe typeJ.I. Case Extendahoe BackhoeReference
Transport height398 cmReference
Digging depth (retracted stick)556 cmReference
Digging depth (extended stick)670 cmReference
Reach from pivot (retracted stick)665 cmReference
Reach from pivot (extended stick)777 cmReference
Loading height (retracted stick)378 cmReference
Loading height (extended stick)441 cmReference
Bucket Rotation151°Reference
Swing Arc180°Reference
Bucket force (retracted stick)6233 kgReference
Bucket force (extended stick)6233 kgReference
Dipperstick force (retracted stick)5032 kgReference
Dipperstick force (extended stick)3691 kgReference
J.I. Case 780B Height
Cab292 cmReference
Exhaust322 cmReference
Backhoe401 cmReference
Speeds
With 18.4x24 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.