J.I. Case lawn tractors 446 tractor specifications

1972 - 1988

1972 - 1988 Model year 1972-19761977-1988 400 SeriesGarden tractor

Series:

Series:444 ← 446

1969 - 1988

Model year 1969-19761977-1988

400 Series

Garden tractor

Series:

442 ←

444

→ 446

Production

Production
Manufacturer	J.I. Case
Type	Garden tractor
Factory	Winneconne, Wisconsin, USA

J.I. Case 444 Engine

J.I. Case 444 Engine
14HP Kohler 512cc 1-cyl gasoline
Engine details ...

J.I. Case 444 Transmission

J.I. Case 444 Transmission
hydraulic drive
Transmission details ...

Mechanical

Mechanical
Chassis	4x2 2WD
Brakes	band
Cab	Open operator station.

Capacity

Capacity
Fuel	3 gal 11.4 L
Hydraulic system	1.25 gal 4.7 L

Hydraulics

Hydraulics
Type	open center
Capacity	1.25 gal 4.7 L
Pump flow	8 gpm 30.3 lpm

Dimensions & Tires

Dimensions & Tires
Wheelbase	48 inches 121 cm
Weight	770 lbs 349 kg
Front tire	6.50-8
Rear tire	8.00-16
Full dimensions and tires ...

Electrical

Electrical
Ground	negative
Charging system	alternator
Charging amps	15
Battery volts	12
Battery AH	24

Production

Production ManufacturerJ.I. Case TypeGarden tractor FactoryWinneconne, Wisconsin, USA

J.I. Case 446 Engine

J.I. Case 446 Engine 16HP Onan 709cc 2-cyl gasoline Engine details ...

1972 - 1988

Model year 1972-19761977-1988

400 Series

Garden tractor

Series:

444 ←

446

Engine Detail

Engine Detail
Onan B43M
gasoline
2-cylinder
air-cooled
Displacement	709 cc 43.3 ci
Bore/Stroke	3.25x2.625 inches 83 x 67 mm
Power	16 hp 11.9 kW
Compression	7:1
Rated RPM	3600
Starter volts	12
Sparkplug	Champion RH18Y
Sparkplug gap	0.025 inches 0.635 mm
Point gap	0.021 inches 0.533 mm
Intake valve clearance	0.005 inches*Cold 0.127 mm
Exhaust valve clearance	0.013 inches*Cold 0.330 mm

Engine Oil

Engine Oil

Oil capacity	2 qts 1.9 L
Oil change	25 h

J.I. Case 446 Transmission

J.I. Case 446 Transmission hydraulic drive Transmission details ...

1972 - 1988

Model year 1972-19761977-1988

400 Series

Garden tractor

Series:

444 ←

446

Transmission

Transmission
Transmission	HY-Drive
Type	hydraulic drive
Gears	infinite forward and reverse (2-range)
The HY-Drive uses a fixed-displacement hydraulic pump to power a two-speed transaxle.

Speeds

Speeds

Mechanical

Mechanical Chassis4x2 2WD Steeringmanual Brakesmechanical band CabOpen operator station.

Capacity

Capacity Fuel3 gal
11.4 L Hydraulic system1.6 gal
6.1 L

Hydraulics

Hydraulics Typeopen center Capacity1.6 gal
6.1 L Valves2 Pump flow8 gpm
30.3 lpm

Dimensions & Tires

Dimensions & Tires Wheelbase48 inches
121 cm Weight770 lbs
349 kg Front tire6.50-8 Rear tire8.00-16 Full dimensions and tires ...

1972 - 1988

Model year 1972-19761977-1988

400 Series

Garden tractor

Series:

444 ←

446

J.I. Case 446 Tires

J.I. Case 446 Tires
Lawn/turf front	6.50-8
Lawn/turf rear	8.00-16

446 Serial Numbers

446 Serial Numbers 19729668001 19739678031 19749694673 19759713265 19769727857 19779740617 19789754759 19799767590 19809785820 198114009950 198214025407 198314040936 198414060091 198514073621 198614095530 19871412151 198814112874
How to read a serial number table...