Case industrial tractors

J.I. Case 680C Construction King

The J.I. Case 680C Construction King is an industrial tractor produced from 1971 to 1974. It features a 4.9L 4-cylinder diesel engine producing 84 hp gross and 74 hp net, paired with a 4-speed power shuttle transmission. The tractor is two-wheel drive with outboard planetary final drives and hydrostatic power steering. It has an open operator station with an optional cab and heater. The 680C has a fuel capacity of 28 gallons and a hydraulic system capacity of 35 gallons. Dimensions include an 80.5 inch wheelbase and a shipping weight of 13,250 lbs. It is equipped with industrial tires and an alternator charging system. Attachments include a front-end loader with a 5,000 lbs lift capacity and 10,050 lbs breakout force.

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Model680C

J.I. Case 680C Construction King tractor

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Technical Specifications

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

Power

Engine (net)	74 hp (55.2 kW)
Engine (gross)	84 hp (62.6 kW)

Tires

Industrial rear	16.9x24, 16.9x28
Industrial front	11.00Lx16, 8.25x15

Engine

Type	J.I. Case 4.9L 4-cyl diesel
Torque	2200 lb-ft (2983.2 Nm)
Starter	electric
Rated RPM	2000
Torque RPM	1600
Bore/Stroke	4.375x5.00 inches (111 x 127 mm)
Compression	16.5:1
Power (net)	74 hp (55.2 kW)
Displacement	301 ci (4.9 L)
Oil capacity	10 qts (9.5 L)
Power (gross)	84 hp (62.6 kW)
Starter volts	12
Coolant capacity	30 qts (28.4 L)

Weight

Shipping	13250 lbs (loader tractor) (6010 kg)
Max front axle (static)	11000 lbs (4989 kg)
Max front axle (dynamic)	44000 lbs (19958 kg)

Capacity

Fuel	28 gal (106.0 L)
Hydraulic system	35 gal (132.5 L)

Dimensions

Width	82 inches (208 cm)
Length	198 inches (loader tractor) (502 cm)
Wheelbase	80.5 inches (204 cm)
Rear tread	65 inches (165 cm)
Front tread	70.75 inches (179 cm)
Clearance (rear axle)	15.125 inches (38 cm)
Height (steering wheel)	79 inches (200 cm)

Electrical

Batteries	2
Battery AH	74
Battery volts	12
Charging amps	55
Charging system	alternator

Hydraulics

Capacity	35 gal (132.5 L)
Pump flow	27.5 gpm (104.1 lpm)
Total flow	45.5 gpm (172.2 lpm)
Auxiliary flow	18 gpm (68.1 lpm)

Mechanical

Drive	Two-wheel drive
Brakes	Drum brakes
Steering	hydrostatic power
Final drives	outboard planetary
Operator station	Open operator station. Cab optional with heater.

Production

Category	Industrial tractor
Manufacturer	J.I. Case
Years produced	1971 - 1974

Attachments

Loader	front-end loader
Dump time	1.5s
Dump angle	47°
Dump reach	27 inches (68 cm)
Lower time	3.2s
Raise time	5.5s
Ground reach	66.5 inches (168 cm)
Height at pin	123.5 inches (313 cm)
Lift capacity	5000 lbs lift (full at pin) (2268 kg)
Breakout force	10050 lbs breakout (at pin) (4558 kg)
Rollback angle	39° (ground line)
Clearance dumped	97 inches (246 cm)