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Dimension N, Dimension P, Dimension Q & Dimension V are for minimum size runway beams. For operation on larger size runways, dimensions N-V-P must be increased by 1/2 the runway beam flange width increase and dimension Q decreased by the same amount.
Under Running Motor Driven End Truck Kits
Dimensional Drawing for Under Running End Truck Kits
Unit of Measure
1 

Item #

Capacity

Wheel Load (per pair)

Wheel Base

Dimension A

Dimension B

Gear Ratio

USC-2-6D N/A 2 Tons N/A 4500 lbs. N/A 6'-0" N/A 5 inches N/A 3'-8" N/A 1.79:1
USC-3-5C N/A 3 Tons N/A 5500 lbs. N/A 5'-0" N/A 5 inches N/A 3'-2" N/A 1.79:1
USC-3-6C N/A 3 Tons N/A 5500 lbs. N/A 6'-0" N/A 5 inches N/A 3'-8" N/A 1.79:1
USC-3-7 1/2C N/A 3 Tons N/A 5500 lbs. N/A 7'-6" N/A 5 inches N/A 4'-5" N/A 1.79:1
USC-3-6D N/A 3 Tons N/A 6500 lbs. N/A 6'-0" N/A 6 1/2 inches N/A 3'-8" N/A 1.82:1
USC-3-7 1/2D N/A 3 Tons N/A 6500 lbs. N/A 7'-6" N/A 6 1/2 inches N/A 4'-5" N/A 1.82:1
USC-3-8 1/2D N/A 3 Tons N/A 6500 lbs. N/A 8'-6" N/A 6 1/2 inches N/A 4'-11" N/A 1.82:1
USC-5-5C N/A 5 Tons N/A 8000 lbs. N/A 5'-0" N/A 6 1/2 inches N/A 3'-2" N/A 1.82:1
USC-5-6C N/A 5 Tons N/A 8000 lbs. N/A 6'-0" N/A 6 1/2 inches N/A 3'-8" N/A 1.82:1
USC-5-7 1/2C N/A 5 Tons N/A 8000 lbs. N/A 7'-6" N/A 6 1/2 inches N/A 4'-5" N/A 1.82:1
USC-5-6D N/A 5 Tons N/A 10000 lbs. N/A 6'-0" N/A 8 1/2 inches N/A 3'-10" N/A 2.29:1
USC-5-7 1/2D N/A 5 Tons N/A 10000 lbs. N/A 7'-6" N/A 8 1/2 inches N/A 4'-7" N/A 2.29:1
USC-5-8 1/2D N/A 5 Tons N/A 10000 lbs. N/A 8'-6" N/A 8 1/2 inches N/A 5'-1" N/A 2.29:1
Unit of Measure
1