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Dodge w/ Cummins Diesel Truck Transmissions
(Getrag G360 & the New Venture 4500)    2x2 or 4x4 5 speed

 
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Dodge w/ Cummins Diesel - Getrag and NV4500



You can identify this Transmission by the cast "GETRAG" on the driver’s side of the transmission case and the Iron Case with Alum Top Cover! This Transmission usually comes in the 1988-93 Dodge Cummings Turbo Diesel Truck.
We have listed below some of the more popular parts we keep stocked for the Getrag.
Price and availability may change. Contact us for current price and availability.
GETRAG
Input
Cluster Gear
M/Shaft 3RD
M/Shaft 5TH
C/Shaft 5TH
Cluster Shaft
Shift Screw
Rebuild Kit w/ Synchros

** Also see our NV5600 page**
Tremec T5 Transmission
Tremec T5 Transmission
In 1988, Dodge introduced the 5 speed Getrag trans. The powers that be determined at that time there would be no parts support for the Getrag whatsoever. As late as 1991, you still could not even buy a seal for the trans, but had to buy a "factory reman", or a new unit. Around that time, probably due to customer pressure, parts started to hit the dealer shelves. Unfortunately, they were extremely expensive. A maindrive gear, for example, could run as much as $600.00, while a rebuild kit was about $800.00. Rebuilding a Getrag trans was a risky affair.

The box is physically smaller than one would expect, and problems like the weak 1-2 synchro assembly made for frustrating results. The aftermarket had not had time to manufacture parts for the Getrag, so the unit became somewhat of a liability. Our previous Dodge web page dealt with the problems encountered with these units, parts availability, & pricing at that time. The New Venture trans had come out in 1992,  & Dodge replaced the Getrag with this trans in 1994. The folks at Getrag probably saw the writing on the wall, & prices for the parts & units really started soaring. We began selling the NV4500 conversions (SEE BELOW), with great success. About the only drawback with the NV4500 was that when hauling monster loads, the 5th gear had a tendency to press off the mainshaft.

Things change, and so has the market for the Getrag & NV4500 transmissions. The aftermarket has come up with many of the parts needed to rebuild the Getrag, and at reasonable prices. We currently stock all of the available parts. And, although Dodge is still getting as much as $3500.00 for a reman unit, we can now sell our rebuilt units for $1650.00 exchange, plus S&H.

The NV4500 has presented a new set of challenges. The 5th gear problem was due in large part to the half splines on the mainshaft under 5th instead of a full splined shaft.


The (New Venture) NV4500 transmission is one of those special 5 speed manual transmissions that has it all. It is such a versatile 5 speed manual transmission that it has become a very popular replacement in hot rods, older cars and trucks. Originally it was designed as an aftermarket replacement transmission.
We are now stocking the upgrade kit that has the full spline shaft & a new 5th gear.
They are available for the 2 or 4 wheel drive unit & sell for around $290.00.  On the downside, the production at New Venture apparently hasn't been able to keep up with the demand, so there are quite a few parts that are getting hard to come by. We try to keep all of the parts needed to rebuild the Dodge NV4500, but it's tough at times. The aftermarket boys are listening, though, and soon there will be enough parts to keep up.
 
We have listed below some of the more popular parts we keep stocked for the New Venture 4500.  Price and availability may change. Contact us for current price and availability.
NV4500
Input $77.52
Cluster,94-96 $196.00
Updated M/Shaft w/5TH $208.00
5TH Gear Nut $32.40
Rebuild Kit w/ Synchros  $196.00
Pilot Bushing to Replace Bearing $4.55

  

     		 Our Latest Upgrade is HERE!
The all-new cast iron extension housing for the NV4500 4x4 transmission. Replaces the weaker cast aluminum housing that tends to break.
This is a great upgrade that takes only a few hours to install.
Kit includes housing, new bolts. and seal - all for just $146.50!

The all-new cast iron extension housing for the NV4500 4x4 transmission.
NV4500 Rebuilder Parts Package Deals
All the parts you need to rebuild your Dodge transmission.
We have every part you'll need to rebuild your or your customer's Dodge transmission. From a simple "Burger and Fries", to the "Big Tex Big Meal Deal", we have it all. We also have the expertise to help you out of a tight spot.

Texas Chili Dog
$565.00 Special
Part # Description
18164 4500 5th Gear
27173 (4wd) 27176 (2wd) 4500 Updated Mainshaft Diesel
BK308UWSK T-4500UWS Bearing Kit
27133 4500 Updated Nut

Big Tex Big Meal Deal
$950.00 Package Special
TCD-4WD/2WD
Part # Description
18164 4500 5th Gear
27173 (4wd) 27176 (2wd) 4500 Updated Mainshaft Diesel
BK308UWSK T-4500UWS Bearing Kit
27133 4500 Updated Nut
22608-1X or 22657  4500 Cluster Gear w/ Shoulder
25356  Maindrive Gear 4500 Diesel Dodge

Burger & Fries
Part # Description Price
BK308U T-4500U Basic Bearing & Seal Kit $270.00

Cheeseburger & Fries
Part # Description Price
BBK308UWSK T-4500UWS Basic Bearing & Seal Kit w/ Synchros $280.00

NV4500 4x4 Cast Iron Extension Housing Kit
Description Price
Kit includes housing, new bolts, seal
(replaces the weaker cast aluminum housing)		 $146.50

The NV4500 transmission has a case length of just 12.37”, making it the perfect transmission conversion for short wheelbase vehicles such as Jeeps, Broncos, Land Cruisers and is also a great replacement manual transmission in older trucks with 4 speeds. The NV4500 is also a popular replacement for 5 speed transmissions used in newer trucks. With stronger gears, better case and improved bearings, you can also keep your stock clutch setup. (If you need a replacement clutch see our large clutch line).

Exploded View & Parts Indices

The NV4500 is a top loader style transmission. The lever located in the top shift cover operates the shift forks and rails directly. The shift forks and rails are located within the aluminum top cover which is bolted and dowel pinned to the top gear case. Tapered roller bearings support the input shaft, main shaft, and counter shaft in the gear case. Drive gear thrust reaction is controlled by a needle type thrust bearing which is located between the input shaft and main shaft. The main shaft gears are all supported on cage-type roller bearings.

** Also see our NV5600 page**

Gear Ratios:
Current production Dodge NV4500 and GM NV4500 share the same gear ratios. Early GM units (93-94) were built with a lower first gear ratio of 6.34 to 1.0. These low-geared GM boxes have since been discontinued and are generally much more difficult to obtain. We are able to provide new and remanufactured NV4500s with these early gearsets.
Beginning in 95’, all GM units were built with the same gear ratios as the Dodge unit.
  GM 93-94 95/up GM
93/up Dodge
First Gear 6.34 5.61
Second Gear 3.44 3.04
Third Gear 1.71 1.67
Fourth Gear 1.00 1.00
Fifth Gear 0.73 0.73
Reverse 6.34 5.61


Specifications
Dry weight: 195 lbs.
Oil capacity: 1 gallon
Rated GVW: 14,500 lbs.
Case material: cast iron
Synchronizers: Carbon fiber composite
Main/Counter shaft bearings: Timken tapered roller


Dimensions
NV4500 GM (6.34) GM (5.61) Dodge Dodge HD
Main case 12.375" 12.375" 12.375" 12.375"
4WD Adapter Housing 8.125 8.125 6.25 6.25
2WD Tailhousing 6" Tailhousing 6" Tailhousing 13" Tailhousing 13" Tailhousing
Yoke Fixed Yoke Fixed Yoke 30 spl Slip yoke 31 spl Slip yoke
Input shaft stickout 6.625 6.625 7.625 7.625
Input shaft spline 1.125" 10spl 1.125" 10spl 1.125" 10spl 1.250" 10spl
Pilot Dia .590" .590" .750" .750"


Bearing Retainer Specification
Bellhousing
Index Dia.		 T/O Bearing
Snout Dia.
GM NV4500  1993-95 5.125" 1.373"
GM NV4500  1996 and up 5.60" none: Int Slave Cyl
Dodge NV4500 Standard Duty 5.60" 1.43"
Dodge NV4500 Heavy Duty 5.60" 1.75


Bellhousing Bolt Pattern:
Across the Top Across the Bottom Vertically
GM 1993-1995 10.078" 10.394" 4.685"
GM 1996 + up 10.078" 9.738" 6.043"
Dodge (All) 10.078" 9.738" 6.043"


Shifter Stub Specification
The NV4500 shifter will have a short stub sticking up from the top cover, There are 3 different methods by which a shifter extension handle attaches:

Dodge NV4500 1993-1999 A short, square stub sticks up
Dodge NV4500 1999-up Threaded stub, 14mm x 1.5 pitch threads
GM NV4500 (All) Threaded stub, 12mm x 2.0 pitch threads


Lubrication:
You MUST use the correct synthetic lubricant. We recommend Amsoil MTG. $15.00. AMSOIL MTG is the replacement fluid for GM part #12346190 and Chrysler part #4874459 (Chrysler specification #MS-9070). Use of ANY other oil in the NV4500 will lead to failure and voids any chance of a warranty claim.

New Venture 4500 Transmission Conversion Kits Historical View

The New Venture 4500 is a great choice to replace the 5 speed Getrag transmission introduced in 1988 and used in the 1988 - 1993 Dodge Truck w/ a Cummins diesel. Rebuilding a Getrag trans was a risky affair in dealing with the problems encountered with these units, parts availability, & pricing at that time. The New Venture trans had come out in 1992 and Dodge replaced the Getrag with this trans in 1994.

The Getrag is a smaller gearbox than the NV4500 and will always have the 1-2 synchronizer problems, among others. Although aftermarket parts are now available for the Getrag, the prices are still relatively high. About the only drawback with the NV4500 was that when hauling monster loads, the 5th gear had a tendency to press off the mainshaft. The 5th gear problem was due in large part to the half splines on the mainshaft under 5th instead of a full splined shaft.

While the NV4500 has had 5th gear problems in the past, we began selling the NV4500 conversions, with great success because we build all of our units using the upgraded fully splined 5th gear & mainshaft.
Here's the REALLY EXCITING NEWS!
We now have new, lower pricing for our kits because of our volume buying power. When you figure this in as well as the mainshaft upgrade, you have a deal that can't be beat on the planet! We'll also be glad to give you any support needed to install our conversion kits.

The 4x4 is the easier of the two conversions, as all that's required for the modification is that you cut a small piece of the floorboard back several inches. There's no driveline work involved at all & the mounting is a breeze.  The price will keep you out of the poorhouse & you'll have a unit you can really rely on. 

The 2WD version is a little more complicated, but it's still easy compared to most swaps. You'll have to whittle a bit out of the crossmember with a torch, and the driveline has to be shortened some, but that's about the only difference compared to the 4x4. A new rear yoke & a mount are included in the package. The price reflects the cost of the added slip yoke for the 2wd set. 

Parts included for these kits are a rebuilt transmission with the fully splined mainshaft, a conversion bellhousing, pilot bushing, mount kit, and yoke (2wd models).

When you call us, don't forget to ask about the great deals we have on the Amsoil oil & the clutch sets for your truck.
New Venture 4500 Transmission Conversion Kits Exploded Parts View



Index Number Part Description
1

NV4500 Speedo Drive Rotor
2

NV4500 Mainshaft Overdrive Gear
3

NV4500 Mainshaft Rear Bearing Cup
4

NV4500 Mainshaft Reverse Washer
5

NV4500 Reverse Mainshaft Gear
6

NV4500 Reverse Mainshaft Sleeve
7

NV4500 Needle Bearing
8

NV4500 Reverse Gear Spacer
9

NV4500 Retaining Ring
10

NV4500 Reverse Clutch Gear
11

NV4500 Mainshaft 1st & 2nd Bearing
12

NV4500 Mainshaft 1st Speed Gear
13

NV4500 Mainshaft
14

NV4500 Clutch Gear
15

NV4500 Mainshaft 1st & 2nd Snap Ring
16

NV4500 Mainshaft Inner Synchro Ring
17

NV4500 Mainshaft Center Synchro Ring
18

NV4500 Mainshaft Outer Synchro Ring
19

NV4500 Downshift Inhibitor Spring
22

NV4500 Synchro Spring
23

NV4500 Synchro Clutch Key
24

NV4500 Synchro Block
25

NV4500 2nd Speed Gear
26

NV4500 3rd Gear Thrust Washer
27

NV4500 3rd Gear Retaining Ring
28

NV4500 Mainshaft 3rd Gear Bearing Spacer
29

NV4500 3rd Speed Mainshaft Gear
30

NV4500 Mainshaft 3rd Gear Bearing
31

NV4500 Synchro Clutch Gear
32

NV4500 Mainshaft Synchro Ring
34

NV4500 Synchro Spring
35

NV4500 Synchro Key
37

NV4500 Maindrive Clutch Ring
38

NV4500 Mainshaft Rear Thrust Bearing
39

NV4500 Mainshaft Pilot Bearing
40

NV4500 Maindrive Gear
41

NV4500 5th Speed Synchro Sleeve
40

NV4500 Maindrive Gear
41

NV4500 Maindrive Bearing Cone
42

NV4500 Countershaft Rear Bearing Cone
43

NV4500 Countershaft Assembly
44

NV4500 Countergear Key
45

NV4500 3rd Counter Gear
46

NV4500 Counter Drive Gear
47

NV4500 Washer Selective
48

NV4500 Countershaft Front Bearing Cone
49

NV4500 Retaining Plate
50

NV4500 Shim Selective Kit
52

NV4500 Reverse Idler Gear Washer
53

NV4500 Needle Bearing
54

NV4500 Reverse Idler Gear
55

NV4500 Spacer
56

NV4500 Reverse Idler Gear Shift
57

NV4500 Maindrive Retainer Assembly
58

NV4500 Maindrive Oil Seal
59

NV4500 Maindrive Bearing Cup
60

NV4500 Countershaft Rear Bearing Cap
61

NV4500 Countershaft Front Bearing Cup
62

NV4500 PTO Cover
63

NV4500 Case
64

NV4500 Countershaft Rear Bearing Cup
65

NV4500 Countershaft Rear Bearing Shim Kit
66

NV4500 Countershaft Rear Thrust Washer
67

NV4500 Needle Bearing
68

NV4500 Countershaft 5th Bearing Spacer
69

NV4500 Rear Countershaft Bearing Retaining Plate
70

NV4500 Countershaft 5th Gear Clutch Hub
71

NV4500 Countershaft 5th Clutch Sleeve
72

NV4500 Countershaft 5th Synchro Ring
73

NV4500 Countershaft 5th Clutch Ring
74

NV4500 Snap Ring
75

NV4500 5th Shifting Fork
76

NV4500 5th Shifting Fork Shaft
77

NV4500 Extension Housing
78

NV4500 Vibration Dampener
79

NV4500 Mainshaft Washer
80

NV4500 Mainshaft Nut
81

NV4500 Extension Housing Bearing
82

NV4500 Snap Ring
83

NV4500 Extension Housing Oil Seal
84

NV4500 Propeller Shaft Yoke
85

NV4500 Rear Output Spline Seal
87

NV4500 Shift Lever Assembly
88

NV4500 Shift Lever Cap
89

NV4500 Seat Control Lever
90

NV4500 Spring
91

NV4500 Plug Expansion
92

NV4500 Bolt
93

NV4500 Dowel Pin
94

NV4500 Bare Cover
95

NV4500 Pin Interlock
96

NV4500 Shift Fork Pin
97

NV4500 3rd & 4th Shift Fork
98

NV4500 Plunger Interlock
99

NV4500 1st & 2nd Shift Rail
100

NV4500 3rd & 4th Shift Rail
101

NV4500 1st & 2nd Shift Fork
102

NV4500 Spring Shift Finger Plunger
103

NV4500 Plunger 1st & 2nd Bais Shift
104

NV4500 Pin Spring
105

NV4500 1st & 2nd Shift Lug
106

NV4500 5th 5th Shift Lug
107

NV4500 Reverse Shift Fork Pads
108

NV4500 Reverse Shift Fork Pad Curved
109

NV4500 3rd & 4th Shift Lug
110

NV4500 Plunger Reverse Overdrive Fork
111

NV4500 Reverse Inhibitor Bolt
112

NV4500 Reverse Shift Inhibitor Assembly
113

NV4500 Pin Reverse Inhibitor
114

NV4500 Overdrive & Reverse Rail
115

NV4500 Plunger Detent
116

NV4500 Spring
117

NV4500 Plug Shift Rail
118

NV4500 Gasket Back Up Switch
119

NV4500 Switch Back Up
120

NV4500 Breather Assembly
121

NV4500 Trunnion
122

NV4500 Countershaft 5th Synchro Assembly

123

NV4500 Mainshaft 1st & 2nd Synchro Assembly
124

NV4500 Mainshaft 3rd & 4th Synchro














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