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Yanmar YM122

Yanmar YM122 tractor
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The Yanmar YM122 is a garden tractor produced from 1983 to 1987. It features a 12 hp liquid-cooled 1-cylinder diesel engine with a displacement of 534 cc. The tractor has a 6-speed gear transmission with 3 reverse gears, two-wheel drive, manual steering, and mechanical drum brakes. It has an open operator station and uses an open center hydraulic system with 853 psi pressure. The tractor hitch rear lift capacity is 375 lbs at the ends and 276 lbs at 24 inches. The PTO includes a transmission-driven rear PTO and an independent front PTO with an electric clutch. The YM122 rides on 16x6.50-8 front and 23x10.50-12 rear lawn/turf tires. Attachments include 42" and 48" mid-mount mower decks. The original price was $5,000 in 1989.
Yanmar YM122garden tractor12 hp diesellawn tractorspecificationsenginetransmissiondimensionshydraulicsPTOattachments
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ModelYM122

Technical Specifications

Detailed specifications and technical data for Yanmar YM122

Engine

Type:diesel
Model:Yanmar MA10-N
Power:12 hp (8.9 kW)
Cooling:liquid-cooled
Idle RPM:1400-2825
Cylinders:1-cylinder
Fuel tank:2.6 gal (9.8 L)
Rated RPM:2600
Air cleaner:dry
Bore/Stroke:3.46x3.46 inches (88 x 88 mm)
Displacement:534 cc (32.64 ci)
Starter volts:12
Coolant capacity:3.3 qts (3.1 L)
Engine oil capacity:3.4 qts (3.2 L)
Oil change interval:100 h

Dimensions

Width:39.9 inches (101 cm)
Length:75.5 inches (191 cm)
Rear tire:23x10.50-12
Wheelbase:51.5 inches (130 cm)
Front tire:16x6.50-8
Shipping weight:829 lbs (376 kg)
Ground clearance:6.6 inches (16 cm)
Height (steering wheel):44.8 inches (113 cm)

Electrical

Ground:negative
Battery AH:47
Battery volts:12
Charging amps:15
Charging system:alternator

Hydraulics

Type:open center
Pressure:853 psi (58.8 bar)
Pump flow:2 gpm (7.6 lpm)

Production

Category:Garden tractor
Years made:1983 - 1987
Original price:$5,000 in 1989

Attachments

Note:Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.
42" mid-mount mower deck:42 inches (106 cm)
48" mid-mount mower deck:48 inches (121 cm)

Transmission

Type:gear
Gears:6 forward and 3 reverse
Oil type:JDM303
Description:Two gears, plus reverse, in three ranges.
Oil capacity:6.7 qts (6.3 L)
Oil change interval:300 h

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)

Clutch:electric
Rear PTO:transmission
Front PTO:independent
Rear PTO Type:2000

Related Models

Yanmar YM126

Model:YM126