Yanmar YM122
The Yanmar YM122 is a tractor produced by Yanmar Lawn Tractors. It is equipped with a 534 cc 32.64 ci engine. The rated power output is 12 hp 8.9 kW. Transmission: 6 forward and 3 reverse. Operating weight: 829 lbs 376 kg.
Engine Power
12 hp
8.9 kW
Fuel & Capacities
2.6 gal
9.8 L
Transmission
6 forward and 3 reverse
Operating Weight
829 lbs
376 kg
Yanmar Lawn Tractors Yanmar YM122 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1983 - 1987
Garden tractor |
|---|---|
1983 - 1987 | |
Garden tractor | |
Production | |
|---|---|
Manufacturer | Yanmar |
Garden tractor | |
Original price was $5,000 in 1989 | |
Yanmar YM122 Engine | |
|---|---|
12HP Yanmar 534cc 1-cyl diesel | |
Fuel tank | 2.6 gal
9.8 L |
Engine details ...  | |
Yanmar YM122 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Mechanical drum brakes | |
Open operator station. |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 853 psi
58.8 bar |
Pump flow | 2 gpm
7.6 lpm |
Tractor hitch | |
|---|---|
Rear Type | 0 |
Rear lift (at ends) | 375 lbs
170 kg |
Rear lift (at 24"/610mm) | 276 lbs
125 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
Rear PTO Type | 2000 |
Front PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 51.5 inches
130 cm |
Weight | 829 lbs
376 kg |
Front tire | 16x6.50-8 |
Rear tire | 23x10.50-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 15 |
Battery volts | 12 |
Battery AH | 47 |
References | |
|---|---|
 | |
Operation Manual YM142 - YM146 - YM122 - YM126 (OME122-146(1)-8306) published in 1983 |
Engine
Engine Detail — 534 cc / 32.64 ci Diesel
Manufacturer | Yanmar MA10-N |
Fuel Type | Diesel |
Configuration | 1-cylinder, liquid-cooled |
Displacement | 534 cc
32.64 ci |
Bore/Stroke | 3.46x3.46 inches
88 x 88 mm |
Power | 12 hp
8.9 kW |
Air cleaner | dry |
Rated RPM | 2600 |
Idle RPM | 1400-2825 |
Starter volts | 12 |
Coolant capacity | 3.3 qts
3.1 L |
Oil capacity | 3.4 qts
3.2 L |
Oil change | 100 h |
Transmission
Transmission — 6 forward and 3 reverse gear
Type | gear |
Gears | 6 forward and 3 reverse |
Oil capacity | 6.7 qts
6.3 L |
Oil type | JDM303 |
Oil change | 300 h |
Two gears, plus reverse, in three ranges. | |
With 23x10.50-12 rear tires. | |
 | |
JDM303 |
|---|
Dimensions
Yanmar YM122 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 23x10.50-12 |
Dimensions | |
|---|---|
Wheelbase | 51.5 inches
130 cm |
Length | 75.5 inches
191 cm |
Width | 39.9 inches
101 cm |
Height (steering wheel) | 44.8 inches
113 cm |
Shipping weight | 829 lbs
376 kg |
Ground clearance | 6.6 inches
16 cm |
Attachments
Attachment overview | |
|---|---|
42" mid-mount mower deck | |
48" mid-mount mower deck | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
Yanmar YM122 tractor photo
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