Sparex source: https://us.sparex.com/medium-duty-wheel-dolly-1200kgs-27672.html Product: Medium Duty Wheel Dolly, 1200kgs - Sparex S.27672 SKU: S.27672 Listing note: Allows one man to remove, transport and replace dual wheelwithout strain or struggleSwivel casters provide effortless maneuverability2 speed hydraulic ram for quick and accurate adjustmentAdjustable retaining arm allows for better access in restricted areasMax load: 2640 lbsMin wheel Ø: 39''Max wheel Ø: 86.6''Max wheel width: 31.5'' Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.