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AriensModel A
Ariens GT20
Lawn and Garden
- power
- 20 hp
- displacement
- 47 ci
- Cylinders
- 2
- Forward gears
- Not recorded
Head to head · Lawn and Garden
Ariens GT20 vs Yanmar AC-21
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YanmarModel B
Yanmar AC-21
Sub-Compact
- power
- 20.5 hp
- displacement
- 61.4 ci
- Cylinders
- 3
- Forward gears
- Not recorded
AriensAriens GT20
vs
YanmarYanmar AC-21
How they compare
Headline specs vs. the whole Lawn and Garden
Engine Power
▲ AC-21 higher · +0.5 hp (+3%)GT2020 hp
AC-2120.5 hp
Median Lawn and Garden Tractor18 hp
GT20 is in the 60th percentile; AC-21 is in the 64th · 380 models
Engine Displacement
▲ AC-21 higher · +14.4 ci (+31%)GT2047 ci
AC-2161.4 ci
Median Lawn and Garden Tractor41.1 ci
GT20 is in the 72nd percentile; AC-21 is in the 83rd · 366 models
Cylinders
▲ AC-21 higher · +1 (+50%)GT202
AC-213
Median Lawn and Garden Tractor2
GT20 is in the 50th percentile; AC-21 is in the 87th · 376 models
Operating Weight
▲ AC-21 higher · +871 lb (+91%)GT20959 lb
AC-211,830 lb
Median Lawn and Garden Tractor738 lb
GT20 is in the 61st percentile; AC-21 is in the 84th · 314 models
GT20 (A)AC-21 (B)Median Lawn and Garden Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Manufacturer | Ariens | Yanmar | — |
| Model | GT20 | AC-21 | — |
| Category | Lawn and Garden | Sub-Compact | — |
Engine
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Manufacturer | Kohler | Yanmar | — |
| Model | M20 | 3TNE74 | — |
| Power Output | 20hp | 20.5hp | ▲ AC-21+0.5 hp · +3% |
| Rated RPM | 3,600RPM | Not recorded | — |
| Cylinders | 2 | 3 | ▲ AC-21+1 · +50% |
| Displacement | 47ci | 61.4ci | ▲ AC-21+14.4 ci · +31% |
| Bore | 3.1in | 2.9in | ▲ GT20+0.2 in · +7% |
| Stroke | 3.1in | 3.1in | Same |
Transmission
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Type | Hydrostatic | Hydrostatic | Same |
Dimensions & Weight
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Length | 74.8in | 92.1in | ▲ AC-21+17.3 in · +23% |
| Width | 42.9in | 49.6in | ▲ AC-21+6.7 in · +16% |
| Height | 47.6in | 71.9in | ▲ AC-21+24.3 in · +51% |
| Operating Weight | 959lb | 1,830lb | ▲ AC-21+871 lb · +91% |
Hydraulics
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Steering Type | Hydraulic Power | Not recorded | — |
Power Take-off (PTO)
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Type | Independent with Electric Clutch | Not recorded | — |
| Speed 1 | 3,600rpm | Not recorded | — |
Hitch & Towing
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Hitch Category | 0 | III | — |
Chassis & Drive
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Hydraulic Power | Not recorded | — |
| Brake Type | Disc | Not recorded | — |
Electrical
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Ariens GT20 | Yanmar AC-21 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 18 hpA · 60th percentile (20 hp)B · 64th percentile (20.5 hp)
Engine Displacement
median 41.1 ciA · 72nd percentile (47 ci)B · 83rd percentile (61.4 ci)
Cylinders
median 2A · 50th percentile (2)B · 87th percentile (3)
Operating Weight
median 738 lbA · 61st percentile (959 lb)B · 84th percentile (1,830 lb)
Length
median 71.7 inA · 66th percentile (74.8 in)B · 84th percentile (92.1 in)
A · GT20B · AC-21Median Lawn and Garden Tractor