New Venture Gear 4500 transmission

New Venture Gear 4500 transmission

The New Venture Gear 4500, commonly called NV4500, is a 5-speed manual transmission manufactured by New Venture Gear and used in General Motors and Chrysler products from 1992–2007.

The NV4500 is a very popular 5-speed manual conversion and upgrade transmission in light trucks and SUVs from Toyota, Ford, Jeep, General Motors, and Dodge. Commercially produced adapters are available to mate this transmission with many different engines and transfer cases.

There were many subtle changes during the production of this transmission, but the main two variations were:
NV4500LD: Used in GM gas and diesel applications, and Dodge V8 gas applications.
NV4500HD: Used in Dodge light duty trucks with the Cummins Turbo Diesel, and the V10 Magnum gas engine.

Contents

Shared Specifications

Dry weight: 195 lbs.
Oil capacity: 1 gallon
Max. GVW: 14,500 lbs.
Case material: Cast Iron
Synchronizers: Carbon fiber composite
Reverse Gears: Un-synchronized till 1996[1]
Main/Counter shaft bearings: Timken tapered roller

Lubrication

Special Synthetic GL-4 gear oil is required for proper operation and lifespan of the carbon composite gear synchronizers.

These are the only lubricants recommended by New Venture Gear for the NV4500:

  • 75W-90 Castrol Syntorque Synthetic
  • Mopar Synthetic Manual Transmission Lubricant Mopar P/N 4974459 (Material Specification 9070)[2]
  • GM Goodwrench® Synthetic Manual Transmission Fluid (GM Part No. U.S. 12346190, in Canada 10953477)[3]

Applications

–GM Light truck

General Motors used the NV4500 as RPO MT8 & MW3 in 8500 + GVWR light trucks.[4]

  • 1992–1994 GMC & Chevrolet C/K 2500 and 3500
  • 1995–2002 GMC & Chevrolet C/K 2500 and 3500
  • 2004–2006 Chevrolet Silverado 2500HD and 3500 and 2007 Silverado Classic
  • 2004–2006 GMC Sierra 2500HD and 3500

Was not an option and did not come in any 1500 series trucks from 1992-2007.

1992–2007 RPO MT8 & MW3 Shared Features:

  • GM corporate V8 bellhousng to engine bolt pattern
  • GM specific input shaft measuring 6-5/8" in length, 1.125" in diameter with 10 splines and a .590" diameter pilot
  • All 2wd use a fixed yoke output
  • All 4wd use a GM specific 32 spline output

1992–1994 RPO MT8 Features:

  • GM NV4500 Transmission to bellhousing bolt pattern (not the same as GM 4speeds)
  • Right hand mounted hydraulic slave cylinder with fork mounted throwout bearing

MT8 Gear ratios:

1 2 3 4 5 R
6.34 (1993) 5.61 (1994 on) 3.44 1.71 1.00 0.73 6.34

1995–2007 RPO MW3 Features:

  • Dodge Transmission to bellhousing bolt pattern
  • Concentric internal hydraulic clutch slave cylinder with integrated throwout bearing

MW3 Gear ratios:

1 2 3 4 5 R
5.61 3.04 1.67 1.00 0.73 5.61 (to 1997) 5.04 (1997 on)

Dodge Ram

Chrysler Corporation Dodge Truck division used the NV4500 as NVG4500 in "Standard" and "Heavy Duty" applications.[5]

Shared Standard Duty & Heavy Duty Features:

  • Dodge NV4500 Transmission to bellhousing bolt pattern (shared with the 1995–2005 GM light trucks)
  • Dodge specific input shaft 7.5" long with .725" diameter pilot shaft diameter & spline count varies
  • Concentric internal hydraulic clutch slave cylinder with integrated throwout bearing
  • 1992.5-1997 2wd Gear drive speedometer in tailhousing Some 1998 may have gear drive
  • 1998–UP 2wd no speedometer gear (VSS in axle)

Standard Duty 1992.5–2005 order code DDP:

  • All Years have Dodge small block bellhousing to engine bolt pattern
  • 1992.5–2002 Used with 5.9 V8(5.2L v8 used NV3500)
  • 2003–2005 5.7 hemi offered with 2500/3500 only
  • 1992.5 only 1" diameter 19 Spline input shaft
  • 1993–UP 1.125" diameter 10 Spline input shaft
  • 1992.5–UP 2wd 30 spline output
  • 1992.5-2000 4wd 23 spline output
  • 2001–UP 4wd 29 spline output

Heavy Duty 1994–2005 order code DDX:

  • All Years used with 5.9 Cummins Turbo Diesel and 8.0 V-10
  • All Years 5.9 Cummins Turbo Diesel & 8.0 V10 bellhousing to engine bolt pattern
  • All Years 1.25" diameter 10 Spline input shaft
  • All Years 2wd 31 spline output
  • All Years 4wd 29 spline output

Dodge Gear ratios:

1 2 3 4 5 R
5.61 3.04 1.67 1.00 0.73 5.61 (to 1997) 5.04 (1997 on)

See also

External links

References

  1. ^ http://www.allpar.com/mopar/transmissions/NV4500.html
  2. ^ http://www.allpar.com/fix/gear-oil.html
  3. ^ http://www.allpar.com/mopar/transmissions/NV4500.html
  4. ^ http://www.nv4500.com/newsdesk_info.php/newsPath/12/newsdesk_id/32
  5. ^ http://www.nv4500.com/newsdesk_info.php/newsPath/12/newsdesk_id/32

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