Tandem walking beam Centre pivot spindles 3500 lbs each Out board spindles 1500 lbs each 1 7/8 ball coupler Tires Maxis 25x8x12 L- 69", W - 42" Tub Depth with lid 30" Side Depth with lid 18" Tongue length 36" with spare coupler and fuel jug bracket. Custom Aluminum bracket on lid Tows like a dream, used in the Richardson Backcountry for years