J.I. Case 446 (1977-1988)

J.I. Case 446 (1977-1988)The J.I. Case 446 is a 2WD garden tractor from the 400 series. This tractor was manufactured by J.I. Case in Winneconne, Wisconsin, USA from 1972 to 1988. This second generation was manufactured from 1977 to 1988. The J.I. Case 446 is equipped with a 0.7 L (43.3 cu·in) two-cylinder gasoline engine and a hydraulic drive transmission with infinite forward and reverse (2-range) gears.

The J.I. Case 446 garden tractor used the Onan B43M engine. It is a 0.7 L, 710 cm2, (43.3 cu·in) two-cylinder natural aspirated gasoline engine with 83.0 mm (3.27 in) of the cylinder bore and 67.0 mm (2.64 in) of the piston stroke. The compression ratio rating is 7.0:1. This engine produced 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm of output power.

The J.I. Case 446 is equipped with manual steering, mechanical band brakes, an open operator station, and 11.4 liters (3 US gal.; 2.5 Imp. gal) fuel tank.

Following attachments are available for the J.I. Case 446 garden tractor:

  • Mid-mount J.I. Case L44: 44 in (1,110 mm) mower deck with 3-blade, hydraulic lift and left-discharge
  • Mid-mount J.I. Case L45: 44 in (1,110 mm) mower deck with 3-blade, hydraulic lift and rear-discharge
  • Mid-mount J.I. Case L46: 48 in (1,210 mm) mower deck with 3-blade, hydraulic lift and left-discharge
  • Mid-mount J.I. Case L48: 60 in (1,520 mm) mower deck with 3-blade, hydraulic lift and left-discharge
  • Front-mount J.I. Case K54: 54 in (1,370 mm) blade
  • Front-mount J.I. Case P84: 48 in (1,210 mm) snow blower

J.I. Case 446 Specifications

General Specifications
ModelJ.I. Case 446
Length1,820 mm (71.7 in)
Width1,040 mm (40.9 in)
Height (steering wheel)1,090 mm (42.9 in)
Wheel base1,210 mm (47.6 in)
Ground clearance270 mm (10.6 in)
Weight (shipping)318 kg (701 lbs)
Fuel tank capacity11.4 liters (3 US gal.; 2.5 Imp. gal)
Battery12V, 24Ah
Cabin typeOpen operator station
Engine
Engine modelOnan B43M
Engine typeFour-stroke, air-cooled, inline
Cylinders2
Fuel typeGasoline
Displacement0.7 L, 710 cm2, (43.3 cu·in)
Bore and stroke83.0 mm X 67.0 mm (3.27 in X 2.64 in)
Compression ratio7.0:1
Horsepower16.2 PS (11.9 kW; 16 HP) at 3,600 rpm
StarterElectric
Oil capacity:1.9 L (2 US. qt, 1.7 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeManual
BrakesMechanical band
Transmission modelHY-Drive
Transmission typeHydraulic drive
GearsInfinite forward and reverse (2-range)
Speed Forward: 14.0 kmh (8.7 mph) Reverse: 14.0 kmh (8.7 mph)
Tires
Front tires Ag: 6.50-8
Rear tires Ag: 8.00-16
Three-Point Hitch
Category0 (optional)
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Front PTO typeIndependent
Front PTO speed
Hydraulic system
Hydraulic typeOpen center
Hydraulic capacity4.7 L (1.2 US. gal, 1 Imp. gal.)
Valves2
Pump flow8.0 gpm (30.3 lpm)
J.I. Case 446 serial numbers
19729668002
19739678031
19749694673
19759713265
19769727857
19779740617
19789754759
19799767590
19809785820
198114009950
198214025407
198314040936
198414060091
198514073621
198614095530
19871412151
198814112874
ATTENTION! Dear visitors, this site is not a trading platform, an official dealer or a spare parts supplier, so we do not have any price lists, spare parts catalogs, service or owner manuals. We are an information portal and provide the technical specifications.

We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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