2004 IMT AF250 Drilling Rig

Enclosed Cab, Air Conditioner, Diesel Engine, 32 in Triple Grouser Track Shoes, Expandable Width Tracks. Base platform: Caterpillar excavator carrier (commonly CAT 336F/HHP or CAT 336D)
Crane Market

Undercarriage extension:
• Width (transport): ~3,000 mm (~118 in)
• Width (working): ~4,270–4,300 mm (~168–169 in)