Information on GM Converters

Information on GM Converters, 2000-2002

GENERAL MOTORS Overall Heights
TORQUE CONVERTER AVERAGE OVERALL HEIGHT PILOT DIAMETER
GM 12" TH400 6.21 1.703
GM-Chevy 6.15 1.703
12"-350 6.15 1.703
Big GM L/U-298mm 5.835min.-5.901 max 1.703
200C-700R4 etc.    
250C-350C 6.050min-5.901 max 1.703
Small GM L/U-245mm 4.13 0.823
125C-44OT4    
Small 700R4-200C 5.875 0.823
125 Non-L/U 4.2 0.823
180C 5.48 0.823
480 LE 7.875 1.703
300mm 6.51 1.703
1000-2000 Allison-Gm Style Hub 7.25 1.703
          Large Hub with Flats 7.702 1.703
Geo Spectrum 3.69  
Geo Prism-90 4.35  
Chevy Spectrum 9.5" Diameter-18 spline 3.69  
     
TF 8   1.335 / 1.337
9.5"   1.335 / 1.337
10"   1.808 / 1.813
10.75"   1.81
45-RFE 5.616  

 

GM Torque Converters – M/Y 2002

 

225mm 4 Speed Saturn 'S' Series

  • Final production year for "round torus" unit produced in Strasbourg, France.

 

New 225mm CVT

  • New "squashed torus" design for new Saturn CVT unit.
  • Torque Converter is produced by LuK for GM and uses ECCC friction material.

 

245mm 3T40, 4T40E, 4T45E, 4T65E, 4L60E, 4L40E, 5L40E

  • Carryover year with new model introduciton of Cadillac (CTS) with 5L50E.

 

258mm 4T65E, 4L60E, 5L40E

  • Carryover content

 

265mm 4T80E

  • Carryover content

 

298mm 4L60E

  • Carryover content (L/M Van and Corvette only)
  • Final year targeted for 2004.

 

300mm 4L60E

  • Carryover content

 

310 mm 4L80E

  • Carryover content, all units are "lighter weight" design.
  • No design changes were made to TCC in all models.

 

 

GM Torque Converters-M/Y 2001

225mm Saturn

  • Carryover year

 

245mm 3T40, 4T40E, 4T45E, 4T65E, 4L60E, 4L30E

  • Carryover year

 

258mm 4T65E, 4L60E, 5L40E

  • Carryover year with new vehicle applications (Aztek, Aurora)

 

265mm 4T80 E

  • Carryover year

 

298mm 4L60E

  • Carryover yaer (S, T Truck and L, M G Van, Corvette only)

 

300 mm 4L60E

  • Added additional capacity-Sachs converter (MIG welded Pump Hub)

 

 

GM Torque Converters – M/Y 2000

225mm Saturn

  • Carryover year

 

245mm 3T40, 4T40E, 4T45E, 4T65E, 4L60E, 4L30E

  • Carryover year, Saturn Innovate 4T45E added (2.2L & 3.0L)

 

258mm 4T65E, 4L60E, 5L40E

  • Carryover year

 

265mm 4T80E

  • Carryover year

 

298mm 4L60E

  • Carryover year

 

300mm 4L60E

  • Increased production volumes (GMT800)

 

310mm 4L80E

  • Major redesign for reduced mass, inertia, and manufacturing