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  • Crane Arm Bases
  • SKU: 2150

Ultra Hy Hy Base

The Ultra Hy Hy is a Chapman design base that has been built from the ground up and offers the ultimate in small crane bases. It features both conventional and crab steering, along with a hydraulic center post that operates with amazing smoothness. Its ability to mount on track with its standard tires and quick post leveling make it an ideal choice for any shot. With the many features Chapman Dollys are famous for, the Ultra Hy Hy is the perfect choice for those looking for the ultimate in small crane bases.

Specifications Features Downloads (Coming Soon)
Maximum Payload*
3,000 lb / 1,361 kg
Minimum Mount Height
2 ft. 10.5 in. / 88 cm
Maximum Mount Height
4 ft. 2 in. / 1.27 m
Travel Range of Center Post
15.5 in / 40 cm
Maximum Chassis Length (Wheels Extended)
5 ft. 1 in. / 1.54 m
Minimum Chassis Height for Transportation
20 in / 51 cm
Chassis Width - Legs at 0 degrees
2 ft. 3 in. / 68.6 cm
Chassis Width - Legs at 12 degrees
2 ft. 5.5 in. / 74.9 cm
Chassis Width - Legs at 45 degrees
2 ft. 11 in. / 89 cm
Chassis Width - Legs at 90 degrees (Note: Add 2 inches for Pneumatic Tire Setup)
3 ft. 3 in. / 99.1 cm
Standard Steering Post Height
3 ft / 91 cm
Minimum Turn Radius
3 ft. 1.5 in. / 95 cm
Center Post Shipping Weight
60 lb / 27.3 kg
Chassis Shipping Weight
265 lb / 120 kg
Operational Weight (No Payload)
380 lb / 163 kg

*Payload includes All Items (i.e. Man, Camera, Platform, Turret, Crane Arm, etc.) on Base Mount.

Telescoping Hydraulic Lift on Center Post

Incorporates Brakes on All Wheels

Shortened Steering Column to Allow 360 Degree Swing of Crane Arm

Easy Quick Leveling of Center Post

Removable Center Post for Easy Transportation and Storage

Works on Straight or Curved Track

Various Tires for Different Terrains

Incorporates Both Crab and Conventional Steering Capabilities

Ability to Mount Most Types of Crane Arms with a Mitchell 100 Mount