Available Caterpillar Tractor Models
- Caterpillar CHALLENGER 35
- Caterpillar CHALLENGER 45
- Caterpillar CHALLENGER 55
- Caterpillar CHALLENGER 65
- Caterpillar CHALLENGER 65B
- Caterpillar CHALLENGER 65C
- Caterpillar CHALLENGER 65D
- Caterpillar CHALLENGER 65E
- Caterpillar CHALLENGER 75
- Caterpillar CHALLENGER 75C
- Caterpillar CHALLENGER 75D
- Caterpillar CHALLENGER 75E