GRAINGER APPROVED Pneumatic Wheel: 11 13/16 in Wheel Dia., 3 3/8 in Wheel Wd, 395 lb, 3 in Hub Lg - 490U77|P 300/20-75R - Grainger
DARPA invests $2.7M in QinetiQ electric wheel-hub drive technology; moving to build-and-test phase - Green Car Congress
MARASTAR Flat-Free Polyurethane Foam Wheel: 8 5/8 in Wheel Dia., 3 in Wheel Wd, 275 lb, 3 in Hub Lg - 38ER66|00091 - Grainger
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