Sand line wire size : 9/16” (14 mm) - 5/8” (16 mm) Rig Power & Tranamission Diesel engine(s) : 2 x Caterpillar C-13 ACERT, 415Hp, 2.100rpm 65 km/h 40.4mph Axles Rear axles : Full-floating Final drive type : Planetary gear Ratios : Differential : 3.357 Planetary : 6.333 ... Feed and return lines from brake water tank to drawworks drum ...