BolensModel A
Bolens 3212H ST120
Lawn and Garden
- power
- 12 hp
- displacement
- 28.4 ci
- Cylinders
- 1
- Forward gears
- Not recorded
Head to head · Lawn and Garden
Bolens 3212H ST120 vs Gravely 812
Image not recorded
GravelyModel B
Gravely 812
Lawn and Garden
- power
- 12 hp
- displacement
- 29 ci
- Cylinders
- 1
- Forward gears
- 8
BolensBolens 3212H ST120
vs
GravelyGravely 812
How they compare
Headline specs vs. the whole Lawn and Garden
Engine Power
= Effectively tied3212H ST12012 hp
81212 hp
Median Lawn and Garden Tractor18 hp
3212H ST120 is in the 16th percentile; 812 is in the 16th · 380 models
Engine Displacement
▲ 812 higher · +0.6 ci (+2%)3212H ST12028.4 ci
81229 ci
Median Lawn and Garden Tractor41.1 ci
3212H ST120 is in the 19th percentile; 812 is in the 23rd · 366 models
Cylinders
= Effectively tied3212H ST1201
8121
Median Lawn and Garden Tractor2
3212H ST120 is in the 17th percentile; 812 is in the 17th · 376 models
Operating Weight
▲ 812 higher · +437 lb (+94%)3212H ST120463 lb
812900 lb
Median Lawn and Garden Tractor738 lb
3212H ST120 is in the 10th percentile; 812 is in the 60th · 314 models
3212H ST120 (A)812 (B)Median Lawn and Garden Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Manufacturer | Bolens | Gravely | — |
| Model | 3212H ST120 | 812 | — |
| Category | Lawn and Garden | Lawn and Garden | Same |
Engine
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Manufacturer | Briggs & Stratton | Kohler | — |
| Model | 281707 | K301 | — |
| Power Output | 12hp | 12hp | Same |
| Rated RPM | Not recorded | 3,600RPM | — |
| Cylinders | 1 | 1 | Same |
| Displacement | 28.4ci | 29ci | ▲ 812+0.6 ci · +2% |
| Bore | 3.4in | 3.4in | Same |
| Stroke | 3.1in | 3.3in | ▲ 812+0.2 in · +6% |
Transmission
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Type | Belt-driven Hydrostatic | Shaft-driven gear | — |
Dimensions & Weight
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Length | Not recorded | 75.2in | — |
| Width | 34.3in | 36.2in | ▲ 812+1.9 in · +6% |
| Height | 42.1in | 42.9in | ▲ 812+0.8 in · +2% |
| Operating Weight | 463lb | 900lb | ▲ 812+437 lb · +94% |
Hydraulics
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Type | Independent with Electric Clutch | Not recorded | — |
Tires
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Front Tire Size | 15x6 | Not recorded | — |
| Rear Tire Size | 20x8 | Not recorded | — |
Chassis & Drive
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x2 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Disc | Not recorded | — |
Electrical
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Bolens 3212H ST120 | Gravely 812 | Difference |
|---|---|---|---|
| Type | Open Operator Station | Open | — |
Category context
Both models against the field
Engine Power
median 18 hpA · 16th percentile (12 hp)B · 16th percentile (12 hp)
Engine Displacement
median 41.1 ciA · 19th percentile (28.4 ci)B · 23rd percentile (29 ci)
Cylinders
median 2A · 17th percentile (1)B · 17th percentile (1)
Operating Weight
median 738 lbA · 10th percentile (463 lb)B · 60th percentile (900 lb)
Width
median 43.3 inA · 9th percentile (34.3 in)B · 19th percentile (36.2 in)
A · 3212H ST120B · 812Median Lawn and Garden Tractor