Overview
The Yanmar SA221 is a sub-compact utility farm tractor manufactured between 2014 and 2022, equipped with a 1.0L three-cylinder diesel engine and a hydrostatic transmission. This four-wheel drive model features a 57.9-inch wheelbase and a net power rating of 19.4 horsepower. It is configured with independent mid and rear PTOs and a limited Category 1 rear hitch with a 660-pound lift capacity.
Ideal Applications
Engine and Power Output:
The Yanmar 3TNM74F engine is a liquid-cooled Tier 4 diesel unit that produces 21.5 gross horsepower and 39.4 lb-ft of torque at a rated speed of 3200 RPM.
Hydraulic and Hitch Specifications:
The open center hydraulic system provides 4.3 gpm of pump flow at 1891 psi, supporting a rear hitch lift capacity of 660 lbs measured at 24 inches.
Transmission and PTO Layout:
The tractor features a hydrostatic transmission with infinite gears and independent PTOs, including a 2000 RPM mid-mount and a 540 RPM rear output rated at 15.6 hp.
Production
| Description | Sub-Compact Utility tractor |
|---|---|
| Manufacturer | Yanmar |
Engine
| Engine type | Yanmar 1.0L 3-cyl diesel |
|---|---|
| Bore/Stroke | 2.92x3.03 inches (74 x 77 mm) |
| Coolant capacity | 3 qts (2.8 L) |
| Description | Yanmar 3TNM74F / diesel / 3-cylinder / liquid-cooled inline |
| Displacement | 60.3 ci (1.0 L) |
| Emissions | Tier 4 |
| Oil capacity | 3.1 qts (2.9 L) |
| Power (gross) | 21.5 hp (16.0 kW) |
| Power (net) | 19.4 hp (14.5 kW) |
| Rated RPM | 3200 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 39.4 lb-ft (53.4 Nm) |
| Engine (gross) | 21.5 hp (16.0 kW) |
| Engine (net) | 19.4 hp (14.5 kW) |
| PTO (claimed) | 15.6 hp (11.6 kW) |
Transmission
| Description | hydrostatic |
|---|---|
| Gears | infinite forward and reverse |
| Oil capacity | 16.4 qts (15.5 L) |
| Type | hydrostatic |
Mechanical
| Description | Wet disc brakes / Two-post foldable ROPS. |
|---|---|
| Drive type | Four-wheel drive |
| Steering | hydrostatic power |
Capacity
| Front axle | 3.2 qts (3.0 L) |
|---|---|
| Fuel | 6 gal (22.7 L) |
Hydraulics
| Pressure | 1891 psi (130.4 bar) |
|---|---|
| Pump flow | 4.3 gpm (16.3 lpm) |
| Steering flow | 3.7 gpm (14.0 lpm) |
| Type | open center |
Hitch
| Rear lift (at 24"/610mm) | 660 lbs (299 kg) |
|---|---|
| Rear Type | 1 (limited) |
PTO
| Clutch | hydraulic / 2057:3200 |
|---|---|
| Engine RPM | 554@3200 |
| Mid PTO | independent |
| Mid PTO Type | 2000 (1.0) |
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery CCA | 540 |
|---|---|
| Battery volts | 12 |
| Ground | negative |
Dimensions & Tires
| Front tread | 35.2 inches (89 cm) |
|---|---|
| Ground clearance | 6.4 inches (16 cm) |
| Length | 102.1 inches (259 cm) |
| Rear tread | 35.2 inches (89 cm) |
| Weight | 1537 lbs (697 kg) |
| Wheelbase | 57.9 inches (147 cm) |
| Width | 47.3 inches (120 cm) |
| Weight | 1537 lbs (697 kg) |
| Wheelbase | 57.9 inches (147 cm) |
| Industrial front | 18x8.50-10 |
| Industrial rear | 26x12.0-12 |
| Lawn/turf front | 18x8.50-10 |
| Lawn/turf rear | 26x12.0-12 |
References
| Description | Operation Manual SA Compact Tractor (0A041-EN0343) published in 2021 / SA221/324/424 published in 2019, by Yanmar |
|---|
Yanmar SA221 Height
| ROPS | 82.3 inches (209 cm) |
|---|---|
| Steering wheel | 51.1 inches (129 cm) |
Yanmar SA221 attachments
| Description | 60" mid-mount mower deck / front-end loader |
|---|