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 684
Image not recorded
UTB/UniversalModel B
UTB/Universal 684
Utility
- power
- 68 hp
- displacement
- 229 ci
- Cylinders
- 4
- Forward gears
- 12
UTB/UniversalUTB/Universal 643
vs
UTB/UniversalUTB/Universal 684
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 684 higher · +4 hp (+6%)64364 hp
68468 hp
Median Utility Tractor55 hp
643 is in the 57th percentile; 684 is in the 61st · 5,383 models
Engine Displacement
▲ 684 higher · +10 ci (+5%)643219 ci
684229 ci
Median Utility Tractor183 ci
643 is in the 60th percentile; 684 is in the 61st · 5,580 models
Cylinders
= Effectively tied6434
6844
Median Utility Tractor4
643 is in the 50th percentile; 684 is in the 50th · 5,720 models
Forward Gears
= Effectively tied64312
68412
Median Utility Tractor12
643 is in the 50th percentile; 684 is in the 50th · 4,941 models
643 (A)684 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Manufacturer | UTB/Universal | UTB/Universal | Same |
| Model | 643 | 684 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Manufacturer | UTB | UTB | Same |
| Power Output | 64hp | 68hp | ▲ 684+4 hp · +6% |
| Rated RPM | 2,400RPM | 2,400RPM | Same |
| Cylinders | 4 | 4 | Same |
| Displacement | 219ci | 229ci | ▲ 684+10 ci · +5% |
| Bore | 4in | 4in | Same |
| Stroke | 4.3in | 4.5in | ▲ 684+0.2 in · +5% |
Transmission
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Type | Multiple (constant mesh, creeper, shuttle) | Manual | — |
Dimensions & Weight
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Length | 149in | Not recorded | — |
| Height | 100in | Not recorded | — |
| Operating Weight | 6,192lb | Not recorded | — |
Hydraulics
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
Power Take-off (PTO)
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Type | 540/1000 | Not recorded | — |
Hitch & Towing
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Hitch Type | Category II | Not recorded | — |
| Hitch Category | 3 | II | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 | — |
| Drive Type | Not recorded | 2WD | — |
Electrical
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Coolant | 3.7gal | Not recorded | — |
Operator Station
| Spec | UTB/Universal 643 | UTB/Universal 684 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 57th percentile (64 hp)B · 61st percentile (68 hp)
Engine Displacement
median 183 ciA · 60th percentile (219 ci)B · 61st percentile (229 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 50th percentile (12)B · 50th percentile (12)
A · 643B · 684Median Utility Tractor