Lawn and GardenPerformance profile
Bolens 3212H ST120
The Bolens 3212H ST120 is a compact lawn and garden tractor made from 1988 to 1992. It's perfect for small yards and light garden work. This tractor has a 2-wheel drive system and manual steering, making it easy to use in tight spaces. The heart of this tractor is a Briggs & Stratton 281707 engine. It's a single-cylinder, air-cooled gasoline engine that puts out 12 horsepower. The engine size and power are below average compared to other tractors, but it's just right for lawn care. The tractor has a belt-driven hydrostatic transmission, which means smooth speed changes without shifting gears. It can go forward and backward at many different speeds. The 3212H ST120 is lightweight at 463 pounds, making it easy to move around. It has an open operator station and an electric starter for quick start-ups. The fuel tank holds 5 US gallons, enough for several hours of work.
ManufacturerBolensPower12 hpEngine1-cylTransBelt-driven Hydrostatic
Quick specs
- Category
- Lawn and Garden
- Engine Power Output
- 12hp
- Operating Weight
- 463 lb
- Transmission
- Belt-driven Hydrostatic
At a glance
How the 3212H ST120 compares
vs. Lawn and Garden medianDistribution
Engine Power (hp)
Across all Lawn and Garden tractors
12 hp · 16th
This model
4
Median 18 hp
28
This modelLawn and Garden tractorsMediann = 380
The 3212H ST120 ranks at the 16th percentile for engine power among recorded lawn and garden tractors.
Overview
About the Bolens 3212H ST120
The Bolens 3212H ST120 is a compact lawn and garden tractor made from 1988 to 1992. It's perfect for small yards and light garden work. This tractor has a 2-wheel drive system and manual steering, making it easy to use in tight spaces. The heart of this tractor is a Briggs & Stratton 281707 engine. It's a single-cylinder, air-cooled gasoline engine that puts out 12 horsepower. The engine size and power are below average compared to other tractors, but it's just right for lawn care. The tractor has a belt-driven hydrostatic transmission, which means smooth speed changes without shifting gears. It can go forward and backward at many different speeds. The 3212H ST120 is lightweight at 463 pounds, making it easy to move around. It has an open operator station and an electric starter for quick start-ups. The fuel tank holds 5 US gallons, enough for several hours of work.
Full specifications
Every recorded spec
General
| Manufacturer | Bolens |
|---|---|
| Model | 3212H ST120 |
| Category | Lawn and Garden tractor |
| Type | 4x2 |
| Years built | 1988–1992 |
| Operating weight | 463lb |
Engine
| Make | Briggs & Stratton |
|---|---|
| Model | 281707 |
| Power | 12hp |
| Cylinders | 1 |
| Displacement | 28.4ci |
| Bore | 3.43in |
| Stroke | 3.07in |
Transmission
| Type | Belt-driven Hydrostatic |
|---|
Chassis & drive
| Chassis | 4x2 |
|---|---|
| Drive | 2WD |
| Steering | Manual |
| Brakes | Disc |
| Cab | Open Operator Station |
Power take-off
| Rear PTO | Independent with Electric Clutch |
|---|
Dimensions
| Width | 34.3in |
|---|---|
| Height | 42.1in |
| Operating weight | 463lb |
Tires
| Front | 15x6 |
|---|---|
| Rear | 20x8 |
Head to head
3212H ST120 vs. Lawn and Garden median
How the Bolens 3212H ST120 compares to other Lawn and Garden tractors
| Spec | This model | Lawn and Garden median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 12 hp | 18 hp | -33% | 16th |
| Engine Displacement | 28.4 ci | 41.1 ci | -31% | 19th |
| Cylinders | 1 | 2 | -50% | 17th |
| Operating Weight | 463 lb | 738 lb | -37% | 10th |
| Width | 34.3 in | 43.3 in | -21% | 9th |
| Height | 42.1 in | 42.9 in | -2% | 40th |
Medians and percentiles are computed from the lawn and garden tractors in our database with a recorded value for each spec (sample sizes 269–380 models).
Compare to tractors with similar specs
Commonly compared Bolens tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Bolens 3212G | 12 hp | 463 lb | 1987–1992 | Compare → |
| Bolens 1250 | 12.5 hp | 974 lb | 1967–1969 | Compare → |
| Bolens 1050 | 10 hp | 644 lb | 1966–1969 | Compare → |
| Bolens G154 | 15 hp | 1,124 lb | — | Compare → |
| Bolens QS-16 | 16 hp | 849 lb | 1974–1977 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Cub Cadet 1200 | 12 hp | 648 lb | 1974–1980 | Compare → |
| Cub Cadet 1210 | 12 hp | 586 lb | 1985–1989 | Compare → |
| Cub Cadet 122 | 12 hp | 798 lb | 1965–1967 | Compare → |
| Cub Cadet 123 | 12 hp | 824.5 lb | 1966–1967 | Compare → |
| Cub Cadet 124 | 12 hp | 628.3 lb | 1967–1969 | Compare → |
Explore
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Gallery
Bolens 3212H ST120 photos
FAQ
Common questions
When was the Bolens 3212H ST120 made?
The Bolens 3212H ST120 was manufactured from 1988 to 1992.
What size tires does the Bolens 3212H ST120 use?
Factory rubber for the Bolens 3212H ST120 is 15x6 front tires and 20x8 rear tires.
What is the engine power output of the Bolens 3212H ST120?
Rated engine output for the Bolens 3212H ST120 is 12 hp, delivered by a 1-cylinder engine. The engine displaces 28.4 ci.
What is the operating weight of the Bolens 3212H ST120?
In working trim, the Bolens 3212H ST120 comes in at roughly 463 lb.
Which transmission does the Bolens 3212H ST120 use?
The Bolens 3212H ST120 is equipped with a Belt-driven Hydrostatic transmission.
How do I maintain a Bolens 3212H ST120?
Routine service for the Bolens 3212H ST120 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.