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Massey FergusonModel A
Massey Ferguson 451
Utility
- power
- 52 hp
- displacement
- 201 ci
- Cylinders
- 3
- Forward gears
- 8
Head to head · Utility
Massey Ferguson 451 vs Yanmar AF645
Image not recorded
YanmarModel B
Yanmar AF645
Utility
- power
- 45 hp
- displacement
- 168 ci
- Cylinders
- 4
- Forward gears
- 18
Massey FergusonMassey Ferguson 451
vs
YanmarYanmar AF645
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 451 higher · +7 hp (+16%)45152 hp
AF64545 hp
Median Utility Tractor55 hp
451 is in the 47th percentile; AF645 is in the 39th · 5,383 models
Engine Displacement
▲ 451 higher · +33 ci (+20%)451201 ci
AF645168 ci
Median Utility Tractor183 ci
451 is in the 54th percentile; AF645 is in the 45th · 5,580 models
Cylinders
▲ AF645 higher · +1 (+33%)4513
AF6454
Median Utility Tractor4
451 is in the 23rd percentile; AF645 is in the 50th · 5,720 models
Forward Gears
▲ AF645 higher · +10 (+125%)4518
AF64518
Median Utility Tractor12
451 is in the 23rd percentile; AF645 is in the 83rd · 4,941 models
451 (A)AF645 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Manufacturer | Massey Ferguson | Yanmar | — |
| Model | 451 | AF645 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Manufacturer | Perkins | Yanmar | — |
| Model | 1103C-33 | 4TNV94 | — |
| Power Output | 52hp | 45hp | ▲ 451+7 hp · +16% |
| Rated RPM | 2,200RPM | 2,500RPM | ▲ AF645+300 RPM · +14% |
| Cylinders | 3 | 4 | ▲ AF645+1 · +33% |
| Displacement | 201ci | 168ci | ▲ 451+33 ci · +20% |
| Bore | 4.1in | Not recorded | — |
| Stroke | 5in | Not recorded | — |
Transmission
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Type | Gear type with dry disc clutch | Power Shuttle | — |
Dimensions & Weight
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Length | 135in | 136in | ▲ AF645+1 in · <1% |
| Width | 71.7in | 63in | ▲ 451+8.7 in · +14% |
| Height | 96.5in | 96.9in | ▲ AF645+0.4 in · <1% |
| Operating Weight | 4,740lb | 4,883lb | ▲ AF645+143 lb · +3% |
Hydraulics
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
| Steering Type | Power | Power | Same |
Power Take-off (PTO)
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Type | Rear: Live or independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Hitch Category | II/I | Not recorded | — |
| Hitch Capacity | 2,425lb | Not recorded | — |
Chassis & Drive
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Power | Same |
| Brake Type | Independent wet disc | Not recorded | — |
Electrical
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Massey Ferguson 451 | Yanmar AF645 | Difference |
|---|---|---|---|
| Type | Flat-deck platform with two-post folding ROPS | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 47th percentile (52 hp)B · 39th percentile (45 hp)
Engine Displacement
median 183 ciA · 54th percentile (201 ci)B · 45th percentile (168 ci)
Cylinders
median 4A · 23rd percentile (3)B · 50th percentile (4)
Forward Gears
median 12A · 23rd percentile (8)B · 83rd percentile (18)
Operating Weight
median 5,303 lbA · 45th percentile (4,740 lb)B · 47th percentile (4,883 lb)
A · 451B · AF645Median Utility Tractor