Yanmar EF312T
The Yanmar EF312T is a tractor produced by Yanmar. It is equipped with a 91.3 ci 1.5 L engine. The listed engine power is Diesel (gross): 30.1 hp / 22.4 kW. Transmission: 8 forward and reverse. Operating weight: 2028 lbs 919 kg.
Engine Power
Diesel (gross): 30.1 hp / 22.4 kW
Fuel & Capacities
7.4 gal
28.0 L
Transmission
8 forward and reverse
Operating Weight
2028 lbs
919 kg
Overview
 | 2007 - ????
EF SeriesCompact Utility tractor |
|---|---|
2007 - ???? | |
EF Series | |
Compact Utility tractor | |
2007 - ???? | |
|---|---|
EF Series | |
Compact Utility tractor |
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Yanmar EF312T Engine | |
|---|---|
Yanmar 1.5L 3-cyl diesel | |
Fuel tank | 7.4 gal
28.0 L |
Engine details ...  | |
Yanmar EF312T Transmission | |
|---|---|
8-speed shuttle | |
Transmission details ...  |
Yanmar EF312T Power | |
|---|---|
Engine (gross) | 30.1 hp
22.4 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Wet disc brakes | |
Two-post ROPS. |
Hydraulics | |
|---|---|
Pump flow | 5.8 gpm
22.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift (at ends) | 2205 lbs
1000 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | continuous |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2500 |
785@2500 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 63 inches
160 cm |
Weight | 2028 lbs
919 kg |
Front tire | 7-14 |
Rear tire | 11.2-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
| 2007 - ????
EF SeriesCompact Utility tractor |
|---|---|
2007 - ???? | |
EF Series | |
Compact Utility tractor | |
2007 - ???? | |
|---|---|
EF Series | |
Compact Utility tractor |
Engine Detail — 91.3 ci / 1.5 L Diesel
Manufacturer | Yanmar 3TNV84 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 91.3 ci
1.5 L |
Bore/Stroke | 3.31x3.54 inches
84 x 90 mm |
Power (gross) | 30.1 hp
22.4 kW |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
| 2007 - ????
EF SeriesCompact Utility tractor |
|---|---|
2007 - ???? | |
EF Series | |
Compact Utility tractor | |
2007 - ???? | |
|---|---|
EF Series | |
Compact Utility tractor |
Transmission — 8 forward and reverse shuttle
Type | shuttle |
Gears | 8 forward and reverse |
Clutch | dry disc |
Four gears in two ranges with shuttle. | |
 | |
Dimensions
| 2007 - ????
EF SeriesCompact Utility tractor |
|---|---|
2007 - ???? | |
EF Series | |
Compact Utility tractor | |
2007 - ???? | |
|---|---|
EF Series | |
Compact Utility tractor |
Yanmar EF312T Tires | |
|---|---|
Standard tires (ag) | Front: 7-14. Rear: 11.2-24 |
Dimensions | |
|---|---|
Wheelbase | 63 inches
160 cm |
Length | 112.2 inches
284 cm |
Width | 52.2 inches
132 cm |
Height (steering wheel) | 53.7 inches
136 cm |
Weight | 2028 lbs
919 kg |
Ground clearance | 13.8 inches
35 cm |
Front tread | 39.4 inches
100 cm |
Rear tread | 40.4/43.5 inches
102/110 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar EF312T based on its 30.1 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Yanmar EF312T.
Estimated Continuous Field Runtime: 4.7 hrs
Approximately 4.7 hours of continuous field operation at ~75% rated power on a full tank (7.4 gal / 28 L).
Estimated 75% Load Fuel Burn~1.6 gal/hr (5.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Yanmar EF312T Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar EF312T.
Converted Equivalents:
Horsepower (HP)30.1 hp
Kilowatts (kW)22.4 kW
Metric Horsepower (PS / CV)30.5 PS
Direct Competitor Comparison
Compare Yanmar EF312T against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar EF312T
Engine Power:Diesel (gross): 30.1 hp / 22.4 kW
★ Baseline Reference
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