J.I. Case 780D
The J.I. Case 780D is a backhoe loader tractor produced from 1988 to 1993. It features a 5.9L 6-cylinder diesel engine producing 124 hp gross and 112 hp net. The tractor has a 3-speed power shift transmission with torque converter and power shuttle. It offers two- or four-wheel drive options with mechanical rear differential lock and power steering. The hydraulic system is open center with a capacity of 14.2 gallons and multiple pump flows for main, auxiliary, and steering functions. Dimensions include an 87-inch wheelbase, 296-inch length, and weights ranging from 23,264 to 27,424 pounds depending on configuration. The tractor comes standard with a four-post ROPS canopy and optional cab with air conditioning. Attachments include a front-end loader with a 7,750 lbs lift capacity and a J.I. Case 18-foot or Extendahoe backhoe with various digging depths and forces.
Power-
Founded-
Model780D
Technical Specifications
Detailed specifications and technical data for J.I. Case 780D
Power
| Engine (net) | 112 hp (83.5 kW) |
|---|---|
| Engine (gross) | 124 hp (92.5 kW) |
Tires
| Industrial rear | 21Lx24, 18.4x28, 21Lx28 |
|---|---|
| Industrial front | 14.00x17.5, 15x9.15 |
Engine
| Type | diesel, 6-cylinder, liquid-cooled |
|---|---|
| Model | J.I. Case 6T-590 |
| Torque | 370 lb-ft (501.7 Nm) |
| Starter | electric |
| Rated RPM | 2200 |
| Torque RPM | 1200 |
| Air cleaner | dry |
| Bore/Stroke | 4.023x4.72 inches (102 x 120 mm) |
| Compression | 17.5:1 |
| Power (net) | 112 hp (83.5 kW) |
| Displacement | 359 ci (5.9 L) |
| Oil capacity | 12 qts (11.4 L) |
| Power (gross) | 124 hp (92.5 kW) |
| Starter volts | 12 |
| Coolant capacity | 27 qts (25.6 L) |
Height
| Cab | 116.25 inches (295 cm) |
|---|---|
| Backhoe | 157.5 inches (400 cm) |
| Exhaust | 113 inches (287 cm) |
| Steering wheel | 87.5 inches (222 cm) |
Weight
| Shipping | 23264 lbs (10552 kg) Two-wheel drive with ROPS and standard loader, 27424 lbs (12439 kg) Four-wheel drive with cab and 4-in-1 loader |
|---|---|
| Max rear axle | 26977 lbs (static) (12236 kg), 53950 lbs (dynamic) (24471 kg) |
| Max front axle | 22250 lbs (static) (10092 kg), 44510 lbs (dynamic) (20189 kg) |
Capacity
| Fuel | 43 gal (162.8 L) |
|---|---|
| Hydraulic system | 14.2 gal (53.7 L) |
Dimensions
| Width | 97 inches (246 cm) |
|---|---|
| Length | 296 inches (751 cm) |
| Wheelbase | 87 inches (220 cm) |
| Rear tread | 71.5 inches (181 cm) |
| Front tread | 78.5 inches (199 cm) |
| Ground clearance | 20.5 inches (52 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 2 |
| Battery CCA | 685 |
| Battery volts | 12 |
| Charging amps | 65 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 14.2 gal (53.7 L) |
| Pump flow | 31.5 gpm (main) (119.2 lpm), 27.8 gpm (aux) (105.2 lpm) |
| Steering flow | 27.8 gpm (105.2 lpm) |
| Steering pressure | 1750 psi (120.7 bar) |
Mechanical
| ROPS | Four-post ROPS canopy standard. Optional cab with available air-conditioning. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Wet disc brakes |
| Final drives | outboard planetary |
| Power steering | yes |
| Differential lock | mechanical rear |
Production
| Type | Backhoe loader tractor |
|---|---|
| Years made | 1988 - 1993 |
| Manufacturer | J.I. Case |
Attachments
| Loader | Dump time1.7s Dump angle52° Lower time4.7s Raise time6.6s Bucket width96 inches (243 cm) Rollback time2.6s Breakout force12300 lbs (5579 kg) Reach (dumped)35.375 inches (89 cm) Height (at pin)138.5 inches (351 cm) Clearance (dumped)106.25 inches (269 cm) Rollback (ground line)44° Lift capacity (full at pin)7750 lbs (3515 kg) |
|---|---|
| Attachment overview | Front-end loader, Backhoe |
| J.I. Case 18-foot Backhoe | Swing Arc180° Backhoe typeJ.I. Case 18-foot Backhoe Bucket force13640 lbs (6187 kg) Digging depth217 inches (551 cm) Loading height152 inches (386 cm) Bucket Rotation156° Reach from pivot263 inches (668 cm) Transport height157.5 inches (400 cm) Dipperstick force10970 lbs (4975 kg) 2-Foot flat digging depth216 inches (548 cm) |
| J.I. Case Extendahoe Backhoe | Swing Arc180° Backhoe typeJ.I. Case Extendahoe Backhoe Bucket Rotation156° Transport height157.5 inches (400 cm) Bucket force (extended stick)13742 lbs (6233 kg) Bucket force (retracted stick)13742 lbs (6233 kg) Digging depth (extended stick)264 inches (670 cm) Digging depth (retracted stick)219 inches (556 cm) Loading height (extended stick)174 inches (441 cm) Loading height (retracted stick)152 inches (386 cm) Reach from pivot (extended stick)306 inches (777 cm) Dipperstick force (extended stick)8138 lbs (3691 kg) Reach from pivot (retracted stick)262 inches (665 cm) Dipperstick force (retracted stick)11095 lbs (5032 kg) 2-Foot flat digging depth (extended stick)263 inches (668 cm) 2-Foot flat digging depth (retracted stick)216 inches (548 cm) |
Transmission
| Type | power shift |
|---|---|
| Gears | 3 forward and 2 reverse |
| Description | Power shift transmission with torque converter and power shuttle |
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