Make: Freightliner Year: 2012 Condition: Used Unit 51461 (11411) listed by iSellPro, for sale by Wisconsin Kenworth Madison - Multiple Available! Tri pack APU's. Multiple Colors. Starting at $65, FREIGHTLINER CA11364SLP - CASCADIA TANDEM AXLE SLEEPER FOR SALE IN WISCONSIN :: - FREIGHTLINER CA11364SLP - CASCADIA for Sale Engine: CUMMINS ISX 450 HP Transmission: 10 Spd. Axles: Tandem Suspension: Air Ride Rear Ratio: 2.53