Case industrial tractors

J.I. Case 680B Construction King

The J.I. Case 680B Construction King is an industrial tractor produced from 1969 to 1970. It features a 4.4L 4-cylinder diesel engine producing 71 hp gross and 64 hp net, paired with a 4-speed power shuttle transmission with torque converter. The tractor has two-wheel drive with spur gear final drives and hydrostatic power steering. It includes an open operator station and an open center hydraulic system with a total flow of 42 gpm. Dimensions include an 80.5 inch wheelbase, 194.5 inch length (loader tractor), and weighs 12,900 lbs. The 680B supports a front-end loader attachment with a 5,000 lbs lift capacity and 10,050 lbs breakout force. Electrical system includes a 12-volt alternator and two batteries.

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Model680B

J.I. Case 680B Construction King tractor

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Technical Specifications

Detailed specifications and technical data for J.I. Case 680B Construction King

Power

Engine (net)	64 hp (47.7 kW)
Engine (gross)	71 hp (52.9 kW)

Tires

Rear tire	16.9x24
Front tire	11.00Lx16

Engine

Model	J.I. Case 4.4L 4-cyl diesel
Torque	215 lb-ft (291.5 Nm)
Starter	electric
Fuel tank	28 gal (106.0 L)
Rated RPM	2000
Torque RPM	1300
Air cleaner	dry
Bore/Stroke	4.125x5.00 inches (105 x 127 mm)
Power (net)	64 hp (47.7 kW)
Displacement	267 ci (4.4 L)
Oil capacity	8 qts (7.6 L)
Power (gross)	71 hp (52.9 kW)
Starter volts	12
Coolant capacity	30 qts (28.4 L)

Weight

Shipping	12900 lbs (loader tractor) (5851 kg)
Max front axle (static)	11000 lbs (4989 kg)
Max front axle (dynamic)	44000 lbs (19958 kg)

Dimensions

Width	82 inches (208 cm)
Length	194.5 inches (loader tractor) (494 cm)
Wheelbase	80.5 inches (204 cm)
Rear tread	66.75 inches (169 cm)
Front tread	70.75 inches (179 cm)
Clearance (rear axle)	13.25 inches (33 cm)
Height (steering wheel)	79 inches (200 cm)

Electrical

Batteries	2
Battery AH	150
Battery volts	12
Charging system	alternator

Hydraulics

Type	open center
Pump flow	25 gpm (94.6 lpm)
Total flow	42 gpm (159.0 lpm)
Additional flow	17 gpm (64.3 lpm)

Mechanical

Drive	Two-wheel drive
Steering	hydrostatic power
Final drives	spur gear
Operator station	Open operator station.

Production

Type	Industrial tractor
Years made	1969 - 1970
Manufacturer	J.I. Case

Attachments

Loader	front-end loader
Dump time	1.5s
Dump angle	45°
Lower time	3.2s
Raise time	5.5s
Bucket width	85 inches (215 cm)
Lift capacity	5000 lbs lift (full at pin) (2268 kg)
Breakout force	10050 lbs breakout (at pin) (4558 kg)
Reach (ground)	66.5 inches (168 cm)
Height (at pin)	123.5 inches (313 cm)
Rollback (ground line)	39°