J.I. Case 646

J.I. Case 646The J.I. Case 646 is a 2WD industrial tractor from the 600 series. This tractor was manufactured by J.I. Case from 1972 to 1980. The J.I. Case 646 is equipped with a 0.8 L (49.8 cu·in) two-cylinder gasoline engine and a hydrostatic transmission with infinite (2-range) forward and reverse gears.

The J.I. Case 646 industrial tractor used the Onan CCKA engine. It is a 0.8 L, 816 cm2, (49.8 cu·in) two-cylinder natural aspirated gasoline engine with 83.0 mm (3.27 in) of the cylinder bore and 76.0 mm (2.99 in) of the piston stroke. The compression ratio rating is 7.0:1. This engine produced 16.7 PS (12.3 kW; 16.5 HP) at 3,600 rpm of output power.

The J.I. Case 646 is equipped with manual steering, mechanical band brakes, open operator station and 18.9 liters (5 US gal.; 4.2 Imp. gal) fuel tank.

Following attachments are available for the J.I. Case 646 industrial tractor:

  • Mid-mount J.I. Case 1,110 mm (44 in) mower deck with 3-blade
  • Mid-mount J.I. Case 1,210 mm (48 in) mower deck with 3-blade
  • Front-mount J.I. Case loader

J.I. Case 646 Specifications

General Specifications
Model J.I. Case 646
Length 2,740 mm (107.9 in)
Width 1,040 mm (40.9 in)
Height (steering wheel) 1,090 mm (42.9 in)
Wheel base 1,210 mm (47.6 in)
Ground clearance 200 mm (7.9 in)
Weight 539 kg (1,188 lbs)
Fuel tank capacity 18.9 liters (5 US gal.; 4.2 Imp. gal)
Battery 12V, 32Ah
Cabin type Open operator station
Engine
Engine model Onan CCKA
Engine type Four-stroke, air-cooled, V
Cylinders 2
Fuel type Gasoline
Displacement 0.8 L, 816 cm2, (49.8 cu·in)
Bore and stroke 83.0 mm X 76.0 mm (3.27 in X 2.99 in)
Compression ratio 7.0:1
Horsepower 16.7 PS (12.3 kW; 16.5 HP) at 3,600 rpm
Starter Electric
Oil capacity: 3.8 L (4 US. qt, 3.3 Imp. qt.)
Spark plug Champion H8
Transmission and chassis
Chassis 4×2 2WD
Steering type Manual
Brakes Mechanical band
Transmission model Hy-Drive
Transmission type Hydrostatic
Gears Infinite (2-range) forward and reverse
Speed Forward: 10.5 kmh (6.5 mph) Reverse: 10.5 kmh (6.5 mph)
Tires
Front tires Industrial: 5.70-8
Rear tires Industrial: 27×8.50-15
Three-Point Hitch
Category 0
Control type
Lift capacity (at ends)
Hydraulic system
Hydraulic type Open center
Hydraulic capacity 11.4 L (3 US. gal, 2.5 Imp. gal.)
Pressure 2300 psi (158.6 bar)
Pump flow 9.0 gpm (34.1 lpm)