10-24-2016, 06:42 PM
Yep. An old trucker colloquialism . Semi tractor with two drive axles is a twin screw.quite desirable when you are pulling a full grain trailer out of a field.
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.