1986 Peterbilt 359 model, 3406B Catepillar Diesel in great shape, no leaks or blow by. Operates under 180 degrees. Plenty of Balls. 13 speed, back knob w/red splitter, shifts like butter. Heavy duty cooling system special ordered. Interior is above average in real nice shape, all working as it should, this unit is workable right now. Wheelbase is 240 I believe.Gears are 3.90 and does not have wet kit. I"m the second owner, first was a retaining block wall company, they had a long haul truck and this was their local truck and had in house maintenance. All zerks take grease. Have a little over 35k in this truck and selling for 30k Firm. Thanks for looking. Bob. Located in Fallbrook,CA. Truck runs smooth, good glass, windows roll like they were new. No disappointment. Parking lot guarantee, if your not totally satisfied, we part no worries. Thanks Bob. Body of truck and sleeper and frame original paint from peterbilt, no accidents ever. Good luck.