Introduction
Yanmar AF645: Technical Overview
The Yanmar AF645 is a utility tractor produced between 2001 and 2005. Designed for agricultural and maintenance tasks, this machine integrates a liquid-cooled diesel powertrain within a four-wheel-drive configuration.
Engine and Performance
The tractor is powered by the Yanmar 4TNV94, a four-cylinder diesel engine with a displacement of 2.8 liters. It delivers a rated power output of 45 hp (33.6 kW) at 2500 RPM. The engine uses a liquid-cooling system and an electric starter powered by a 12-volt system.
Transmission and Drivetrain
The AF645 is equipped with a power shuttle transmission providing 18 forward and 18 reverse gears. The system utilizes a hydraulic wet disc clutch to facilitate direction changes. Power is delivered to all four wheels, supported by power steering and mechanical wet disc brakes for operational control.
Hydraulics and PTO
The rear power take-off (PTO) is independent and offers three selectable speeds: 564, 756, and 1073 RPM. The Category I rear hitch features position control, providing a lift capacity of 3754 lbs (1702 kg), suitable for a variety of mounted implements.
Dimensions and Operator Environment
The machine features a standard air-conditioned cab. Its physical footprint includes a wheelbase of 74.8 inches (189 cm) and a total weight of 4883 lbs (2214 kg). The front tread is adjustable between 47.2 and 58.3 inches, while the rear tread ranges from 50 to 63.7 inches, providing stability for different field conditions.
Conclusion
The Yanmar AF645 serves as a stable and versatile platform for farmers and landowners. With its combination of a 45 hp engine, 18-speed transmission, and standard climate-controlled cab, it is suited for sustained utility work and various implement applications.
Production Information of Yanmar, AF645
| Manufacturer | Yanmar |
|---|
Dimension and Tires Information of Yanmar, AF645
| Front tread | 47.2 to 58.3 inches [119 to 148 cm] |
|---|---|
| Wheelbase | 74.8 inches [189 cm] |
| Weight | 4883 lbs [2214 kg] |
| Height | 96.9 inches [246 cm] |
| Length | 136.4 inches [346 cm] |
| Rear tread | 50 to 63.7 inches [127 to 161 cm] |
| Ground clearance | 14 inches [35 cm] |
| Width | 63 inches [160 cm] |
| Standard tires (ag) | Front: 8-15. Rear: 13.6-28 |
|---|
Engine Specifications of Yanmar, AF645
- Yanmar 4TNV94
- Liquid-cooled
- Diesel
- 4-cylinder
| Rated RPM | 2500 |
|---|---|
| Displacement | 168.1 ci [2.8 L] |
| Starter | Electric |
| Power | 45 hp [33.6 kW] |
| Starter volts | 12 |
Transmission Information of Yanmar, AF645
Transmission variants 1
| Type | Power shuttle |
|---|---|
| Gears | 18 forward and reverse |
| Clutch | Hydraulic wet disc |
Mechanical Specs of Yanmar, AF645
- Four-wheel drive
- Cab standard with air-conditioning.
- Power steering
- Mechanical wet disc brakes
Power Information of Yanmar, AF645
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 564/756/1073 (1.375) |
Three-Point Hitch of Yanmar, AF645
| Rear Type | I |
|---|---|
| Control | Position control |
| Rear lift | 3754 lbs [1702 kg] |
Electrical System of Yanmar, AF645
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery AH | 110 |
Where it sits
With 45 HP, the Yanmar AF645 sits just below AF650 (50 HP) in Yanmar's range. Its power puts it in the 30th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the Yanmar AF645 have?
The Yanmar AF645 delivers 45 HP.
What years was the Yanmar AF645 produced?
The Yanmar AF645 was produced in 2001-2005.
What engine does the Yanmar AF645 have?
The Yanmar AF645 is powered by a Diesel, 4-cylinder engine.
What transmission does the Yanmar AF645 use?
The Yanmar AF645 uses a Power shuttle transmission.
How much does the Yanmar AF645 weigh?
The Yanmar AF645 weighs 4883 lbs [2214 kg].
Is the Yanmar AF645 4WD?
The Yanmar AF645 is available in 4WD.