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Advance-RumelyModel A
Advance-Rumely 6A
Utility
- power
- Not recorded
- displacement
- 404 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Utility
Advance-Rumely 6A vs Challenger MT645
ChallengerModel B
Challenger MT645
Row Crop
- power
- Not recorded
- displacement
- 449 ci
- Cylinders
- 6
- Forward gears
- 18
Advance-RumelyAdvance-Rumely 6A
vs
ChallengerChallenger MT645
How they compare
Headline specs vs. the whole Utility
Engine Displacement
▲ MT645 higher · +45 ci (+11%)6A404 ci
MT645449 ci
Median Utility Tractor183 ci
6A is in the 90th percentile; MT645 is in the 93rd · 5,580 models
Cylinders
= Effectively tied6A6
MT6456
Median Utility Tractor4
6A is in the 93rd percentile; MT645 is in the 93rd · 5,720 models
Forward Gears
▲ MT645 higher · +12 (+200%)6A6
MT64518
Median Utility Tractor12
6A is in the 11th percentile; MT645 is in the 83rd · 4,941 models
Operating Weight
▲ MT645 higher · +12,650 lb (+199%)6A6,370 lb
MT64519,020 lb
Median Utility Tractor5,303 lb
6A is in the 60th percentile; MT645 is in the 95th · 5,107 models
6A (A)MT645 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Challenger | — |
| Model | 6A | MT645 | — |
| Category | Utility, Standard Tread | Row Crop | — |
Engine
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Manufacturer | Waukesha | Sisu/Valmet Diesel | — |
| Rated RPM | 1,365RPM | 2,200RPM | ▲ MT645+835 RPM · +61% |
| Cylinders | 6 | 6 | Same |
| Displacement | 404ci | 449ci | ▲ MT645+45 ci · +11% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 4.8in | 5.3in | ▲ MT645+0.5 in · +10% |
Transmission
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Type | Gear | Selective gear fixed ratio with full range operator controlled powershift | — |
Dimensions & Weight
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Length | 163in | 203in | ▲ MT645+40 in · +25% |
| Width | 70in | 98.2in | ▲ MT645+28.2 in · +40% |
| Height | 74in | 121in | ▲ MT645+47 in · +64% |
| Operating Weight | 6,370lb | 19,020lb | ▲ MT645+12,650 lb · +199% |
Hydraulics
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed Center Pressure Flow Compensated (PFC) | — |
| Steering Type | Manual | Power Steering (Hydrostatic) | — |
Hitch & Towing
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | III | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Power Steering (Hydrostatic) | — |
Electrical
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric, 12 Volts | — |
Capacities
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Coolant | 9.5gal | Not recorded | — |
Operator Station
| Spec | Advance-Rumely 6A | Challenger MT645 | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context
Both models against the field
Engine Displacement
median 183 ciA · 90th percentile (404 ci)B · 93rd percentile (449 ci)
Cylinders
median 4A · 93rd percentile (6)B · 93rd percentile (6)
Forward Gears
median 12A · 11th percentile (6)B · 83rd percentile (18)
Operating Weight
median 5,303 lbA · 60th percentile (6,370 lb)B · 95th percentile (19,020 lb)
Length
median 137 inA · 81st percentile (163 in)B · 94th percentile (203 in)
A · 6AB · MT645Median Utility Tractor