Image not recorded
UTB/UniversalModel A
UTB/Universal 643
Utility
- power
- 64 hp
- displacement
- 219 ci
- Cylinders
- 4
- Forward gears
- 12
Head to head · Utility
UTB/Universal 643 vs UTB/Universal 650
Image not recorded
UTB/UniversalModel B
UTB/Universal 650
Utility
- power
- 65 hp
- displacement
- 291 ci
- Cylinders
- 4
- Forward gears
- 10
UTB/UniversalUTB/Universal 643
vs
UTB/UniversalUTB/Universal 650
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 650 higher · +1 hp (+2%)64364 hp
65065 hp
Median Utility Tractor55 hp
643 is in the 57th percentile; 650 is in the 59th · 5,383 models
Engine Displacement
▲ 650 higher · +72 ci (+33%)643219 ci
650291 ci
Median Utility Tractor183 ci
643 is in the 60th percentile; 650 is in the 84th · 5,580 models
Cylinders
= Effectively tied6434
6504
Median Utility Tractor4
643 is in the 50th percentile; 650 is in the 50th · 5,720 models
Forward Gears
▲ 643 higher · +2 (+20%)64312
65010
Median Utility Tractor12
643 is in the 50th percentile; 650 is in the 39th · 4,941 models
643 (A)650 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Manufacturer | UTB/Universal | UTB/Universal | Same |
| Model | 643 | 650 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Manufacturer | UTB | UTB | Same |
| Model | Not recorded | D-103 | — |
| Power Output | 64hp | 65hp | ▲ 650+1 hp · +2% |
| Rated RPM | 2,400RPM | 1,800RPM | ▲ 643+600 RPM · +33% |
| Cylinders | 4 | 4 | Same |
| Displacement | 219ci | 291ci | ▲ 650+72 ci · +33% |
| Bore | 4in | 4.3in | ▲ 650+0.3 in · +7% |
| Stroke | 4.3in | 5.1in | ▲ 650+0.8 in · +19% |
Transmission
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Type | Multiple (constant mesh, creeper, shuttle) | Manual | — |
Dimensions & Weight
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Length | 149in | 163in | ▲ 650+14 in · +9% |
| Width | Not recorded | 78.7in | — |
| Height | 100in | 102in | ▲ 650+2 in · +2% |
| Operating Weight | 6,192lb | 8,818lb | ▲ 650+2,626 lb · +42% |
Hydraulics
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
Power Take-off (PTO)
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Type | 540/1000 | Not recorded | — |
Hitch & Towing
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Hitch Type | Category II | Three-Point Hitch | — |
| Hitch Category | 3 | II | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
Electrical
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Coolant | 3.7gal | Not recorded | — |
Operator Station
| Spec | UTB/Universal 643 | UTB/Universal 650 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 57th percentile (64 hp)B · 59th percentile (65 hp)
Engine Displacement
median 183 ciA · 60th percentile (219 ci)B · 84th percentile (291 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 50th percentile (12)B · 39th percentile (10)
Operating Weight
median 5,303 lbA · 58th percentile (6,192 lb)B · 81st percentile (8,818 lb)
A · 643B · 650Median Utility Tractor