Introduction
John Deere 445 Garden Tractor
The John Deere 445 is a garden tractor manufactured in Horicon, Wisconsin, USA, between 1992 and 2001. Part of the 425, 455, and 420 series, this machine is designed for property maintenance and versatile implement handling.
Engine and Power
The tractor is equipped with a liquid-cooled, 617 cc V-twin OHV engine featuring electronic fuel injection. It produces 22 hp (16.4 kW) at a rated speed of 3550 RPM. The engine cooling system has a capacity of 3 quarts (2.8 L), and the oil capacity is 1.6 quarts (1.5 L). Early production units utilized plastic cam gears, which were transitioned to steel components starting with engine serial number 150198.
Transmission and Drivetrain
Power is transmitted via a shaft-driven Tuff Torq K91 hydrostatic transmission, providing infinite forward and reverse gears. The tractor features two-wheel drive as standard, with an optional four-wheel steering system available for enhanced maneuverability. Stopping power is provided by wet disc brakes, and traction on uneven terrain is supported by a mechanical rear differential lock.
Hydraulics and PTO
The hydraulic system utilizes a Gerotor pump delivering 4.65 gpm (17.6 lpm) at 1000 psi (69.0 bar). The tractor includes an independent mid PTO rated at 2000 RPM and an optional independent rear PTO operating at 540 RPM. Both PTO systems utilize electro-hydraulic clutches. The machine supports 48-inch, 54-inch, or 60-inch mower decks.
Operator Station and Dimensions
The tractor features an open operator station, with a 'Cozy' cab and heater available as an option. The standard 2WS model has a wheelbase of 50.4 inches and a weight of 815 lbs, while the AWS variant weighs 910 lbs. The rear axle utilizes a 5-bolt flange configuration.
Conclusion
The John Deere 445 is a robust garden tractor suited for residential and light professional property maintenance. With its hydrostatic transmission, power steering, and diverse implement compatibility, it serves as a reliable platform for mowing, hauling, and light utility tasks.
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Production Information of John Deere, 445
- Original price was $9,795 in 1995
- Garden tractor
- Built in Horicon, Wisconsin, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 445
- 5-bolt flange rear axle
| 2WS Weight | 815 lbs [369 kg] |
|---|---|
| 2WS Wheelbase | 50.4 inches [128 cm] |
| Height | 51.2 inches [130 cm] |
| Width | 48 inches [121 cm] |
| AWS Wheelbase | 49.4 inches [125 cm] |
| AWS Weight | 910 lbs [412 kg] |
| Height (cab) | 74 inches [187 cm] |
| Length | 75 inches [190 cm] |
| Lawn/turf front | 18x8.50-8 |
|---|---|
| Lawn/turf rear | 23x10.50-12 |
| Lawn/turf rear | 26x12.00-12 |
| Lawn/turf front | 16x7.50-8 |
Engine Specifications of John Deere, 445
- Liquid-cooled horitonztal-shaft V-twin OHV
- Early versions of the engine used plastic cam gears. Steel cams were used beginning with engine serial number 150198.
- 2-cylinder
| Starter power | 1.1 hp [0.8 kW] |
|---|---|
| Starter volts | 12 |
| Power | 22 hp [16.4 kW] |
| Coolant capacity | 3 qts [2.8 L] |
| Air cleaner | Paper element with pre-cleaner |
| Compression | 10.3:1 |
| Fuel system | Electronic fuel injection |
| Bore/Stroke | 2.992x2.68 inches [76 x 68 mm] |
| Oil capacity | 1.6 qts [1.5 L] |
| Displacement | 617 cc [37.7 ci] |
| Starter | Electric |
| Sparkplug | Champion CJ8 |
| Sparkplug gap | 0.030 inches [0.762 mm] |
| Idle RPM | 1450-3550 |
| Rated RPM | 3550 |
Transmission Information of John Deere, 445
Transmission variants 1
| Transmission | Tuff Torq K91 |
|---|---|
| Oil capacity | 7 qts [6.6 L] |
| Type | Shaft-driven hydrostatic |
| Gears | Infinite forward and reverse |
Transmission variants 2
| 6 | Parking brake |
|---|---|
| 4 | Reverse |
| 3 | Forward |
| 1 | Throttle |
| 7 | Differential lock |
| 5 | Cruise control |
| 2 | Brake |
Transmission variants 3
Mechanical Specs of John Deere, 445
- Two-wheel drive
- Wet disc brakes
- Open operator station. Cozy cab available with optional heater.
| Differential lock | Mechanical rear |
|---|---|
| Steering | Power |
Power Information of John Deere, 445
| Rear PTO | Independent |
|---|---|
| Clutch | Electro-hydraulic |
| Mid PTO | Independent |
| Clutch | Electro-hydraulic |
| Mid PTO Type | 2000 |
| Rear PTO Type | 540 (1.375) |
Rear PTO optional. Tractor must be off for shifting between rear, mid, or both PTOs.
Hydraulics Specifications of John Deere, 445
| Type | Gerotor |
|---|---|
| Pump flow | 4.65 gpm [17.6 lpm] |
| Pressure | 1000 psi [69.0 bar] |
| Mid valves | 2 |
Three-Point Hitch of John Deere, 445
| Rear Type(optional) | 0 |
|---|---|
| Rear lift | 650 lbs [294 kg] |
Electrical System of John Deere, 445
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery CCA | 340 |
| Charging system | Alternator |
| Battery Group | U1 |
| Charging amps | 20 |
Where it sits
With 22 HP, the John Deere 445 sits just above 425 (20 HP) in John Deere's range. Its power puts it in the 96th percentile of 1990s models in our database (1093 machines).
Frequently asked questions
How much horsepower does the John Deere 445 have?
The John Deere 445 delivers 22 HP.
What years was the John Deere 445 produced?
The John Deere 445 was produced in 1992-2001.
What engine does the John Deere 445 have?
The John Deere 445 is powered by a 2-cylinder engine.
What transmission does the John Deere 445 use?
The John Deere 445 uses a Tuff Torq K91 transmission.
How much does the John Deere 445 weigh?
The John Deere 445 weighs 815 lbs [369 kg].
Is the John Deere 445 4WD?
The John Deere 445 is available in 2WD.