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J.I. Case 780C

J.I. Case 780C tractor
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The J.I. Case 780C is a backhoe loader tractor produced from 1981 to 1988. It features a 124 hp (gross) Case 5.9L 6-cylinder diesel engine, a 3-speed power shift transmission with power shuttle and torque converter, and two-wheel drive with outboard planetary final drives. The tractor has a four-post ROPS/FOPS canopy with an optional cab and air-conditioning. It has a fuel capacity of 43 gallons and a hydraulic system capacity of 18.9 gallons. The hydraulics operate at 2000 psi with separate flows for loader, backhoe, and steering. Dimensions include an 87-inch wheelbase, 296-inch length, and 99-inch width, with industrial tires sized 14x17.5 front and 18.4x24 rear. The weight ranges from 18,212 to 20,421 pounds depending on configuration. The backhoe attachment offers a digging depth of 219 inches and a dump angle of 49 inches. Electrical system features a 12-volt negative ground with a 65 amp alternator and two batteries.
J.I. Case 780Cbackhoe loadertractor specsCase 6T-590 engine124 hp3-speed power shifthydraulicsdimensionsattachments
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Model780C

Technical Specifications

Detailed specifications and technical data for J.I. Case 780C

Power

Engine (net):112 hp (83.5 kW)
Engine (gross):124 hp (92.5 kW)

Engine

Type:diesel
Model:Case 6T-590
Torque:370 lb-ft (501.7 Nm)
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Rated RPM:2200
Torque RPM:1200
Air cleaner:dry
Bore/Stroke:4.02x4.72 inches (102 x 120 mm)
Compression:17.5:1
Fuel system:direct injection
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:115 inches (292 cm)
Exhaust:123 inches (312 cm)
Steering wheel:85 inches (215 cm)

Weight

ROPS backhoe:18212 lbs (8260 kg)
Max rear axle:22074 lbs (10012 kg)
Cab Extendahoe:20421 lbs (9262 kg)
Max front axle:14643 lbs (6642 kg)

Capacity

Fuel:43 gal (162.8 L)
Hydraulic system:18.9 gal (71.5 L)

Electrical

Ground:negative
Batteries:2
Battery volts:12
Charging amps:65
Charging system:alternator

Hydraulics

Type:open center
Capacity:18.9 gal (71.5 L)
Pressure:2000 psi (137.9 bar)
Pump flow:31.5 gpm (loader) (119.2 lpm), 59.3 gpm (backhoe) (224.5 lpm)
Steering flow:27.8 gpm (105.2 lpm)
Steering pressure:2000 psi (137.9 bar)

Mechanical

Drive:Two-wheel drive
ROPS/FOPS:Four-post ROPS/FOPS canopy. Optional cab with available air-conditioning.
Final drives:outboard planetary
Power steering:Yes

Production

Type:Backhoe loader tractor
Years made:1981 - 1988
Manufacturer:J.I. Case

Attachments

Loader

Dump time:1.7s
Dump angle:49°
Lower time:4.7s
Raise time:6.6s
Bucket width:96 inches (243 cm)
Rollback time:2.6s
Reach (dumped):32 inches (81 cm)
Height (at pin):140 inches (355 cm)
Clearance (dumped):108 inches (274 cm)
Rollback (ground line):40°
Breakout force (at pin):12300 lbs (5579 kg)
Lift capacity (full at pin):7750 lbs (3515 kg)

Backhoe

Type:J.I. Case Backhoe
Swing Arc:180°
Bucket force:13640 lbs (6187 kg)
Digging depth:219 inches (556 cm)
Loading height:152 inches (386 cm)
Bucket Rotation:156°
Reach from pivot:263 inches (668 cm)
Dipperstick force:10970 lbs (4975 kg)
2-Foot flat digging depth:216 inches (548 cm)
Overview:Front-end loader, Backhoe

Extandahoe Backhoe

Type:J.I. Case Extandahoe Backhoe
Swing Arc:180°
Bucket Rotation:156°
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):220 inches (558 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 reverse
Description:Three-speed power shift transmission with power shuttle and torque converter.

Backhoe & Loader

Dig depth:219 inches (556 cm)
Dump angle:49 inches (124 cm)

Dimensions & Tires

Width:99 inches (251 cm)
Length:296 inches (751 cm)
Rear tire:18.4x24
Wheelbase:87 inches (220 cm)
Front tire:14x17.5
Rear tread:71 inches (180 cm)
Front tread:78 inches (198 cm)

Related Models

J.I. Case 780D

Model:780D

J.I. Case 780B

Model:780B