CALL CUSTOMER SERVICE WITH QUESTIONS: 866-455-7444. Specifications. Specifications. G.V.W.R. 77,500 lbs. (Capacity 60,000 lbs. in 16 ft. span or greater) Electrical. Sealco US made sealed wiring harness, lifetime LED lights, amber strobe kit standard. Frame. Four cambered main beams, fabricated with 100 KSI (T1) and 80 KSI high tensile steel.