Yanmar lawn tractors YM142
Power
14 hp
Production
1983-1987
Transmission
Gear
Weight
842 lbs [381 kg]
Drive
2WD
From the same series:
Introduction
Yanmar YM142 Garden Tractor
The Yanmar YM142 is a garden tractor produced between 1983 and 1987. Designed for property maintenance and light agricultural tasks, this model belongs to a series that includes the YM126 and YM146 variants.
Engine and Performance
The tractor is powered by a liquid-cooled engine delivering 14 hp (10.4 kW). The engine features a displacement of 635 cc (38.8 ci) with a bore and stroke of 75 mm by 72 mm. It operates at a rated engine speed of 2600 RPM, with an idle range between 1300 and 2825 RPM. Maintenance requirements include a 2.0-liter oil capacity with change intervals every 100 hours.
Transmission and Drivetrain
The YM142 utilizes a gear-type transmission providing 6 forward and 3 reverse speeds, organized into three ranges with two gears each. The system requires 5.9 liters of JDM303 oil, with recommended changes every 300 hours. The tractor features a two-wheel drive configuration, manual steering, and mechanical drum brakes.
Hydraulics and PTO
The hydraulic system is an open-center design providing a pump flow of 7.6 lpm (2 gpm) at a pressure of 58.8 bar (853 psi). For implement operation, the tractor is equipped with an independent front PTO and a rear PTO system operating at 2000 RPM, controlled by an electric clutch.
Dimensions and Capacity
This compact tractor has a wheelbase of 130 cm (51.5 inches) and an overall length of 191 cm (75.5 inches). The machine has a ground clearance of 16 cm (6.6 inches) and a shipping weight of 381 kg (842 lbs). It is designed to accommodate 48-inch or 60-inch mower decks.
Conclusion
The Yanmar YM142 is a lightweight utility tractor suited for residential property maintenance and garden care. Its combination of a gear-based transmission and independent PTO systems makes it a versatile tool for users requiring consistent performance in a compact form factor.
Production Information of Yanmar lawn tractors, YM142
- Garden tractor
- Original price was $5,200 in 1983
| Manufacturer | Yanmar |
|---|
Dimension and Tires Information of Yanmar lawn tractors, YM142
| Wheelbase | 51.5 inches [130 cm] |
|---|---|
| Shipping weight | 842 lbs [381 kg] |
| Height (steering wheel) | 44.8 inches [113 cm] |
| Length | 75.5 inches [191 cm] |
| Ground clearance | 6.6 inches [16 cm] |
| Width | 39.9 inches [101 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x10.50-12 |
Engine Specifications of Yanmar lawn tractors, YM142
- Liquid-cooled
| Starter volts | 12 |
|---|---|
| Displacement | 635 cc [38.8 ci] |
| Oil capacity | 2.1 qts [2.0 L] |
| Air cleaner | Dry |
| Bore/Stroke | 2.95x2.84 inches [75 x 72 mm] |
| Oil change | 100 h |
| Coolant capacity | 3.7 qts [3.5 L] |
| Idle RPM | 1300-2825 |
| Rated RPM | 2600 |
| Power | 14 hp [10.4 kW] |
Transmission Information of Yanmar lawn tractors, YM142
Transmission variants 1
- Two gears, plus reverse, in three ranges.
| Type | Gear |
|---|---|
| Type(optional) | JDM303 |
| Oil type | JDM303 |
| Gears | 6 forward and 3 reverse |
| Oil change | 300 h |
| Oil capacity | 6.2 qts [5.9 L] |
Mechanical Specs of Yanmar lawn tractors, YM142
- Two-wheel drive
- Open operator station.
- Manual steering
- Mechanical drum brakes
Power Information of Yanmar lawn tractors, YM142
| Rear PTO | Transmission |
|---|---|
| Clutch | Electric |
| Rear PTO Type | 2000 |
| Front PTO | Independent |
Hydraulics Specifications of Yanmar lawn tractors, YM142
| Type | Open center |
|---|---|
| Pressure | 853 psi [58.8 bar] |
| Pump flow | 2 gpm [7.6 lpm] |
Three-Point Hitch of Yanmar lawn tractors, YM142
| Rear Type | 0 |
|---|---|
| Rear lift (at ends) | 375 lbs [170 kg] |
| Rear lift (at 24"/610mm) | 276 lbs [125 kg] |
Electrical System of Yanmar lawn tractors, YM142
| Ground | Negative |
|---|---|
| Battery AH | 47 |
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 15 |
Where it sits
With 14 HP, the Yanmar lawn tractors YM142 sits just above YM126 (12 HP) in Yanmar lawn tractors's range. Its power puts it in the 63th percentile of 1980s models in our database (977 machines).
Frequently asked questions
How much horsepower does the Yanmar lawn tractors YM142 have?
The Yanmar lawn tractors YM142 delivers 14 HP.
What years was the Yanmar lawn tractors YM142 produced?
The Yanmar lawn tractors YM142 was produced in 1983-1987.
What transmission does the Yanmar lawn tractors YM142 use?
The Yanmar lawn tractors YM142 uses a Gear transmission.
How much does the Yanmar lawn tractors YM142 weigh?
The Yanmar lawn tractors YM142 weighs 842 lbs [381 kg].
Is the Yanmar lawn tractors YM142 4WD?
The Yanmar lawn tractors YM142 is available in 2WD.