J.I. Case 444 (1969-1976)

J.I. Case 444 (1969-1976)The J.I. Case 444 is a garden tractor model from the 400 series, manufactured from 1969 to 1988 by J.I. Case in Winneconne, Wisconsin, USA. THis first generation was manufactured from 1969 to 1976. It was available in a two-wheel drive (2WD) version.

The J.I. Case 444 is equipped with a 512 cc (31.2 cu·in) single-cylinder gasoline engine with 88.9 mm (3.5 in) of the cylinder bore and 82.6 mm (3.25 in) of the piston stroke, and a hydraulic drive transmission with infinite forward and reverse (2-range) gears.

The J.I. Case 444 garden tractor features:

  • The Kohler K321AS gasoline engine which produces 14.1 PS (10.4 kW; 14.0 HP) at 3,600 rpm of horsepower
  • Manual steering
  • Band brakes
  • Open operator station

General specifications

General Specifications
ModelJ.I. Case 444
Tractor typeGarden tractor
Production years1969-1976
FactoryWinneconne, Wisconsin, USA
Dimensions and weight
Length1,820 mm (71.7 in)
Width1,040 mm (40.9 in)
Height (hood)970 mm (38.2 in)
Wheel base1,210 mm (47.6 in)
Ground clearance270 mm (10.6 in)
Fuel capacity
Fuel tank capacity11.4 liters (3 US gal.; 2.5 Imp. gal)


Engine Specifications
Engine modelKohler K321AS
Engine type4-stroke, L-head (side valve), single-cylinder
Displacement512 cm3, (31.2 cu·in)
Bore and stroke88.9 mm X 82.6 mm (3.50 in X 3.25 in)
Max. horsepower14.1 PS (10.4 kW; 14.0 HP) at 3,600 rpm
Cooling systemForced air
Lubricating systemSplash type
Fuel systemCarburetor
Starting systemElectirc starter
Compression pressure
Normal:7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance:0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance:0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system:Splash type
Oil type:API SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity:1.4 L (1.5 US. qt, 1.2 Imp. qt.)
Ignition system
Spark plug:Champion RH10
Spark plug gap:0.65 mm (0.0256 in)
Spark plug torque:27 N·m (2.8 kg·m, 19.9 ft·lb)

Transmission and chassis

Chassis, steering and brakes
Chassis4×2 2WD
Steering typeManual
Transmission manufacturer or modelHY-Driv
Transmission typeHydraulic drive
GearsInfinite forward and reverse (2-range)
Speed Forward: 14.0 kmh (8.7 mph)
Transmission oil capacity6.2 L (1.6 US. gal, 1.4 Imp. gal.)


Front tiresLawn/turf: 6.50-8
Rear tiresLawn/turf: 8.00-16, 8.50-12, 10.50-12

Electrical system

Electrical system
Charging systemAlternator
Charging amps15A
Battery12V, 24Ah

Hydraulic system

Hydraulic system
Hydraulic typeOpen center
Hydraulic capacity4.7 L (1.2 US. gal, 1 Imp. gal.)
Pump flow8.0 gpm (30.3 lpm)


J.I. Case 44″ mid-mount mower deck
Cutting width1,110 mm (44 in)
J.I. Case 48″ mid-mount mower deck
Cutting width1,210 mm (48 in)
J.I. Case 54″ front-mount blade
Cutting width1,370 mm (54 in)
J.I. Case 48″ front-mount snow blower
Width1,210 mm (48 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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