KubotaModel A
Kubota KB21X
Utility
- power
- 20.7 hp
- displacement
- 68.5 ci
- Cylinders
- 3
- Forward gears
- 36
Head to head · Sub-Compact
Kubota KB21X vs Yanmar AC-21
Image not recorded
YanmarModel B
Yanmar AC-21
Sub-Compact
- power
- 20.5 hp
- displacement
- 61.4 ci
- Cylinders
- 3
- Forward gears
- Not recorded
KubotaKubota KB21X
vs
YanmarYanmar AC-21
How they compare
Headline specs vs. the whole Sub-Compact
Engine Power
▲ KB21X higher · +0.2 hp (<1%)KB21X20.7 hp
AC-2120.5 hp
Median Sub-Compact Tractor26.9 hp
KB21X is in the 27th percentile; AC-21 is in the 27th · 816 models
Engine Displacement
▲ KB21X higher · +7.1 ci (+12%)KB21X68.5 ci
AC-2161.4 ci
Median Sub-Compact Tractor91.4 ci
KB21X is in the 29th percentile; AC-21 is in the 24th · 757 models
Cylinders
= Effectively tiedKB21X3
AC-213
Median Sub-Compact Tractor3
KB21X is in the 50th percentile; AC-21 is in the 50th · 802 models
Operating Weight
▲ AC-21 higher · +221 lb (+14%)KB21X1,609 lb
AC-211,830 lb
Median Sub-Compact Tractor2,700 lb
KB21X is in the 28th percentile; AC-21 is in the 33rd · 711 models
KB21X (A)AC-21 (B)Median Sub-Compact Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Manufacturer | Kubota | Yanmar | — |
| Model | KB21X | AC-21 | — |
| Category | Utility, Sub-Compact | Sub-Compact | — |
Engine
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Manufacturer | Kubota | Yanmar | — |
| Model | D1105 | 3TNE74 | — |
| Power Output | 20.7hp | 20.5hp | ▲ KB21X+0.2 hp · <1% |
| Rated RPM | 2,600RPM | Not recorded | — |
| Cylinders | 3 | 3 | Same |
| Displacement | 68.5ci | 61.4ci | ▲ KB21X+7.1 ci · +12% |
| Bore | 3.1in | 2.9in | ▲ KB21X+0.2 in · +7% |
| Stroke | 3.1in | 3.1in | Same |
Transmission
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Type | Power shift | Hydrostatic | — |
Dimensions & Weight
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Length | 92.3in | 92.1in | ▲ KB21X+0.2 in · <1% |
| Width | 44.5in | 49.6in | ▲ AC-21+5.1 in · +11% |
| Height | 74.8in | 71.9in | ▲ KB21X+2.9 in · +4% |
| Operating Weight | 1,609lb | 1,830lb | ▲ AC-21+221 lb · +14% |
Hydraulics
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Steering Type | Power | Not recorded | — |
Hitch & Towing
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Hitch Type | Category 0 | Not recorded | — |
| Hitch Category | Category 3 | III | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | Not recorded | — |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Power | Not recorded | — |
Electrical
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Kubota KB21X | Yanmar AC-21 | Difference |
|---|---|---|---|
| Type | ROPS | Not recorded | — |
Category context
Both models against the field
Engine Power
median 26.9 hpA · 27th percentile (20.7 hp)B · 27th percentile (20.5 hp)
Engine Displacement
median 91.4 ciA · 29th percentile (68.5 ci)B · 24th percentile (61.4 ci)
Cylinders
median 3A · 50th percentile (3)B · 50th percentile (3)
Operating Weight
median 2,700 lbA · 28th percentile (1,609 lb)B · 33rd percentile (1,830 lb)
Length
median 113 inA · 19th percentile (92.3 in)B · 18th percentile (92.1 in)
A · KB21XB · AC-21Median Sub-Compact Tractor