M-Series 2 1/2 ton Truck Specs

Specifications of M-Series 2 1/2 ton Trucks

The following table of specifications for 2 1/2 ton M-Series trucks was prepared by Terry Staley, who owns a 1971 AM General M-35A2 called "Little Bitty". We hope you will find this information interesting and useful. If you have anything to add or want to suggest a change, please let Terry know by email.

For more on U.S. 2 1/2 ton trucks, visit the linked Olive-Drab.com page.

Deuce & 1/2's M-135 M-211 M34 M35 M36/A2 M35A1 M35A2 M35A2 M35A2 M35A2
  (G-749)     (G-742) (G-742) (G-742) (G-742) (G-742) (G-742) (G-742)
        (M44A1) (M44A2) (M44A1) (M44A2) (M44A2) (M44A2) (M44A2)
                     
Year 1951-1954 1951-1954 1955- 1955-     1962 1967-1968 1970-1971 1970-1971
Mfgr GMC GMC Reo Reo     White Kaiser A.M. General A.M. General
      (Also Studebaker, Curtis Wright)           "C" is Drop-Side
                     
Body     (SRT - Gas) (Gas) (Long Box) (Turbo)        
Style CARGO CARGO CARGO CARGO CARGO CARGO CARGO CARGO CARGO CARGO
Mfgr Code                 19207 19207
Model No.                 833225 833225
Chassis No.                 M45A2 M45A2
                     
Engine 6-CYL 6-CYL Inline 6 Cyl Inline 6 Cyl Inline 6 Cyl Inline 6 Cyl Inline 6 Cyl Inline 6 Cyl Inline 6 Cyl Inline 6 Cyl
  GMC GMC Reo/Cont. Reo/Cont.   Continental Continental Continental Continental Continental
            (Later supplied by White Motors, Hercules Engines Corp. & White-Hercules)        
  Gas Gas Gas, Carb Gas, Carb Gas / MF Turbo MF N.A. MF Turbo MF Turbo MF Turbo MF
  302 302 OA331 OA331   LDS-427-2 LD-465-1/1C LDT-465-1C LDT-465-1C LDT-465-1D
      331 Cu In 331 Cu In   427 Cu In 478 Cu In 478 Cu In 478 Cu In 478 Cu In
            BAD ENGINE !        
              1C=60A Alt, Flame Htr at Front of Eng      
              1D=Improved Head Gasket, Pistons      
              LD=N.A., LDS=Turbo, LDT=Turbo "Clean-Air"      
                     
HP 38.4 38.4 127 127   130 140   210 165 (??)
              305 Lb-Ft      
RPM     3400 3400   2600 2600   2,800 2,600
                     
Transmission GMC Auto   Manual Manual Manual Manual Manual Manual Manual Manual
  Hydramatic   4F / 1R 4F / 1R 5F / 1R 5F / 1R 5F / 1R 5F / 1R 5F / 1R 5F / 1R
  4F / 1R           Spicer 3053A Spicer 3053A Spicer 3053A Spicer 3053A
                     
Transfer case 302M single spd   2-spd 2-spd Timken T136-21 Timken T136-27 Timken T136-27 Timken T136-27 Timken T136-27
  Single Speed         2-Spd 2-spd, 2:1, 1:1 2-spd, 2:1, 1:1 2-spd, 2:1, 1:1 2-spd, 2:1, 1:1
            Sprag Type Air Actuated Air Actuated Air Actuated Air Actuated
                     
Front Axle       Rockwell Rockwell Rockwell Rockwell Rockwell Rockwell Rockwell
                  FC 240 HXI FC 240 HXI
  sprag sprag   sprag/air shft         6.72:1, 12,000# 6.72:1, 12,000#
  auto engage auto engage   auto engage         AS auto eng AS auto eng
                     
Rear Axle       Rockwell Rockwell Rockwell Rockwell Rockwell Rockwell Rockwell
                  CF 240 HX3 CF 240 HX3
                  6.72:1, 24,000# 6.72:1, 24,000#
                  tandem tandem
                     
Voltage 24vdc 24vdc 24vdc, 60a 24vdc, 60a 24vdc, 60a 24vdc, 60a 24vdc, 60a 24vdc, 60a 24vdc, 60a 24vdc, 60a
      2 batteries 2 batteries 2 batteries 2 batteries 2 batteries 2 batteries 2 batteries 2 batteries
                     
Winch   PTO   PTO         Optional Optional
                     
                     
Weight                    
w/winch 12,740 13,580 11,775 12,465 15,750 13,530 13,530 13,530 13,530 13,530
wo/winch 12,330 13,170             13,400 13,400
                     
Max Payload                    
highway 10,000 10,000                
cross-country 5,000 5,000                
                     
Max Gross                    
highway                    
w/winch 23,090 23,930 22,540 23,230 23,500 23,530 23,530 23,530 23,530 23,530
wo/winch 22,680 23,520             23,800 23,800
cross-country                    
w/winch 18,090 18,930                
wo/winch 17,680 18,520                
                     
Max Towed                    
highway 10,000 10,000                
cross-country 6,000 6,000             6,000 6,000
                     
Dimensions                    
max length 269" 269"                
max width 88" 96"             96" 96"
max height 105" 112"             112" 112"
min height 80" 78"             81" 81"
                     
Cargo Area                    
Length 144" 144"   144" 204" 144" (?)     147"  
Width                 88"  
Height                 60"  
                     
Tire Track 3 axle, srt 3 axle, drt 3 axle, srt 3 axle, drt 3 axle, drt 3 axle, drt 3 axle, drt 3 axle, drt 3 axle, drt 3 axle, drt
front 71" 69"             67.75 67.75
rear 66" 73"             70 70
                     
Wheelbase 156" 156" 154 154 190 154 154 154 154 154
                     
Operation                    
a/approach 45 42             45 45
a/departure 43 37