Introduction
John Deere F1145 Front-Mount Mower
The John Deere F1145 is a dedicated front-mount mower tractor produced between 1992 and 2000 in Horicon, Wisconsin, USA. Designed for professional grounds maintenance, this machine combines a high-torque diesel engine with a specialized hydrostatic drivetrain to manage large-scale mowing operations efficiently.
Engine and Performance
The F1145 is powered by a Yanmar 3TNE78 liquid-cooled, 3-cylinder diesel engine. With a displacement of 1204 cc and direct fuel injection, it generates 28 hp (20.9 kW) at a rated speed of 3200 RPM. The engine produces a maximum torque of 58 lb-ft at 2200 RPM, providing the necessary power to drive large mower decks under varying load conditions.
Transmission and Drivetrain
Power is transferred through a Sundstrand 25 hydrostatic transmission, which provides infinite forward and reverse speeds across two operational ranges. The tractor features a 4x4 MRWD (Mechanical Rear Wheel Drive) system, supplemented by a mechanical front differential lock to enhance traction on uneven or soft surfaces. Steering is facilitated by a power steering system, while braking is managed by wet disc brakes for consistent performance.
Hydraulics and PTO
The hydraulic system utilizes an open-center design with a pump flow capacity of 5.6 gpm (21.2 lpm), intended for operating the steering and the front-mounted implements. The tractor is equipped with an independent front PTO, engaged via an electro-hydraulic clutch, operating at 3200 RPM to drive 60, 72, or 76-inch mower decks.
Dimensions and Chassis
Built on a 54.1-inch wheelbase, the tractor has an operating weight of 2347 lbs (1064 kg) when equipped with a 72-inch deck. The unit stands 76.8 inches high with the two-post ROPS installed. It utilizes 23x10.50-12 front and 18x8.5-8 rear turf tires, providing a ground clearance of 4.7 inches to minimize lawn disturbance.
Conclusion
The John Deere F1145 is a specialized utility tractor engineered specifically for high-capacity mowing and grounds care. Its combination of a 4x4 drivetrain, hydrostatic maneuverability, and front-mounted implement capability makes it suitable for professional landscaping and large estate maintenance.
Production Information of John Deere, F1145
- Front-mount mower
- Built in Horicon, Wisconsin, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, F1145
| Ground clearance | 4.7 inches [11 cm] |
|---|---|
| Wheelbase | 54.1 inches [137 cm] |
| Height (ROPS) | 76.8 inches [195 cm] |
| Height (steering wheel) | 52.4 inches [133 cm] |
| Length | 90 inches [228 cm] |
| Front tread | 46.3 inches [117 cm] |
| Operating weight | 2347 lbs [1064 kg] |
| Width | 42.8 inches [108 cm] |
Length without mower.
Weight with 72-inch mower deck.
| Lawn/turf front | 23x10.50-12 |
|---|---|
| Lawn/turf rear | 18x8.5-8 |
Engine Specifications of John Deere, F1145
- Yanmar 3TNE78
- Liquid-cooled
- The 3TNE78 engine was introduced on the F1145 for the 1995 model year, mower serial number M01145X140001.
- Diesel
- 3-cylinder
| Oil capacity | 3.9 qts [3.7 L] |
|---|---|
| Starter volts | 12 |
| Power | 28 hp [20.9 kW] |
| Coolant capacity | 8 qts [7.6 L] |
| Compression | 17.8:1 |
| Rated RPM | 3200 |
| Fuel system | Direct injection |
| Bore/Stroke | 3.07x3.31 inches [78 x 84 mm] |
| Displacement | 1204 cc [73.5 ci] |
| Starter | Electric |
| Torque RPM | 2200 |
| Torque | 58 lb-ft [78.6 Nm] |
Transmission Information of John Deere, F1145
Transmission variants 1
| Transmission | Sundstrand 25 |
|---|---|
| Oil capacity | 4.6 qts [4.4 L] |
| Type | Hydrostatic |
| Gears | Infinite forward and reverse (2-range) |
Mechanical Specs of John Deere, F1145
- Wet disc brakes
- Power steering
- Two-post ROPS.
| Drive | 4x4 MRWD 4WD |
|---|---|
| Final drives | Planetary |
| Differential lock | Mechanical front |
Power Information of John Deere, F1145
| Front PTO | Independent |
|---|---|
| Clutch | Electro-hydraulic |
| Front PTO Type | 3200 |
Hydraulics Specifications of John Deere, F1145
| Type | Open center |
|---|---|
| Pump flow | 5.6 gpm [21.2 lpm] |
Electrical System of John Deere, F1145
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 40 |
Where it sits
With 24 HP, the John Deere F1145 sits just below 1445 (31 HP) in John Deere's range. Its power puts it in the 98th percentile of 1990s models in our database (1093 machines).
Frequently asked questions
How much horsepower does the John Deere F1145 have?
The John Deere F1145 delivers 24 HP.
What years was the John Deere F1145 produced?
The John Deere F1145 was produced in 1992-2000.
What engine does the John Deere F1145 have?
The John Deere F1145 is powered by a Diesel, 3-cylinder engine.
What transmission does the John Deere F1145 use?
The John Deere F1145 uses a Sundstrand 25 transmission.
How much does the John Deere F1145 weigh?
The John Deere F1145 weighs 2347 lbs*Weight with 72-inch mower deck. [1064 kg].
Is the John Deere F1145 4WD?
The John Deere F1145 is available in 4WD.