Allison 4700 Series (oilfield, vocational, heavy haul)
Automatic • 7-speed • Allison Transmission
About the Allison 4700 Series (oilfield, vocational, heavy haul)
The Allison 4700 series is a 7-speed automatic for extreme heavy-duty applications — 2,050 lb-ft torque capacity (highest in Allison's commercial lineup). Used in oilfield service, heavy haul, mining, and extreme vocational where 4500 series isn't enough. 7 gears provide tighter ratio coverage than the 6-speed 4500.
Overview
The Allison 4700 series is a 7-speed automatic for extreme heavy-duty applications — 2,050 lb-ft torque capacity (highest in Allison's commercial lineup). Used in oilfield service, heavy haul, mining, and extreme vocational where 4500 series isn't enough. 7 gears provide tighter ratio coverage than the 6-speed 4500.
Specifications
- Manufacturer
- Allison Transmission
- Type
- Automatic
- Gear count
- 7
- Torque capacity
- 2050 lb-ft
- Truck classes
- Class 8 (extreme heavy-duty)
- Applications
- Oilfield, heavy haul, mining, extreme vocational
- Production years
- 2010–present
Design and engineering
7-speed automatic with reinforced internals for extreme torque. Larger torque converter. Multiple PTO options.
Generations and updates
Reliability and longevity
Allison-grade reliability under the most extreme loads.
Common problems
Severe-duty operation requires tight fluid service intervals.
Driver experience
Smooth under extreme loads, more ratio coverage than 4500.
Pros and cons
✓ Pros
- • Highest torque capacity in Allison commercial lineup
- • 7 gears for tighter ratio coverage
- • Oilfield + heavy-haul proven
⚠ Cons
- • Highest cost in Allison lineup
- • Severe-duty service intervals tight