NV 4500 - Manual Transmission

Disassembled Views

Transmission Case and Gear Sets:

1 - Countershaft Rear Bearing
2 - Thrust Washer Pin
3 - Transmission Countershaft
4 - Countershaft Front Bearing
5 - Reverse Idler Gear Shaft
6 - Reverse Idler Gear Washer
7 - Reverse Idler Gear Bearing
8 - Reverse Idler Gear
9 - Reverse Idler Gear Washer
10 - Input Shaft Bearing Retainer Bolt
11 - Input Shaft Retainer
12 - Input Shaft Seal
13 - Countershaft Bearing Cap
14 - Countershaft Front Bearing Cup
15 - PTO Cover Bolt
16 - PTO Cover
17 - Chip Magnet
18 - Transmission Case
19 - Countershaft Rear Bearing Cup
20 - Countershaft Bearing Shim
21 - Countershaft Rear Bearing Retainer
22 - Countershaft Rear Bearing Retainer Bolt
23 - Countershaft Thrust Washer
24 - Overdrive Gear Bearing
25 - Countershaft Overdrive Gear
26 - Synchronizer Strut
27 - Synchronizer Spring
28 - Overdrive Synchronizer Sleeve
29 - Overdrive Gear Blocking Ring
30 - Overdrive Clutch Gear
31 - Overdrive Synchronizer Retaining Ring
32 - Overdrive Shift Fork
33 - Shift Fork Lock Pin
34 - Overdrive/Reverse Shift Shaft
35 - Mainshaft Bearing Retainer Bolt
36 - Mainshaft Bearing Retainer
37 - Mainshaft Bearing Shim
38 - Mainshaft Rear Bearing Cup

Main Drive Gear and Mainshaft Gear Sets:

1 - Spacer
2 - Vehicle Speed Sensor Reluctor Wheel
3 - Mainshaft Overdrive Gear
4 - Mainshaft Rear Bearing
5 - Reverse Gear Thrust Washer
6 - Reverse Gear
7 - Reverse Gear Synchronizer Insert
8 - Synchronizer Spring
9 - Reverse Gear Synchronizer Ring
10 - Reverse Shift Detent Spring Sleeve
11 - Reverse Gear Bearing
12 - Reverse Gear Spacer
13 - Reverse Gear Retaining Ring
14 - 1st/Reverse Gear Clutch Hub
15 - 1st Gear Bearing
16 - 1st Speed Gear
17 - Mainshaft
18 - Thrust Washer Retaining Pin
19 - Retainer Ring
19 - Retainer Ring
19 - Retainer Ring
19 - Retainer Ring
20 - 1st Gear Outer Synchronizer Ring
21 - Middle Synchronizer Ring
21 - Middle Synchronizer Ring
22 - Inner Blocker Synchronizer Ring
22 - Inner Blocker Synchronizer Ring
23 - 1st/2nd Gear Synchronizer Hub
24 - 1st/2nd Gear Synchronizer Insert
25 - Synchronizer Spring
26 - 1st/2nd Synchronizer Sleeve
27 - 2nd Gear Outer Synchronizer Ring
28 - 2nd Speed Gear
29 - 2nd Speed Gear Bearing
30 - 3rd Gear Thrust Washer
31 - 3rd Gear Retaining Ring
32 - Mainshaft Gear Bearing Spacer
33 - Mainshaft 3rd Speed Gear
34 - 3rd Speed Gear Bearing
35 - 3rd Gear Blocking Ring
36 - 3rd/4th Gear Synchronizer Hub
37 - 3rd/4th Gear Synchronizer Spring
38 - 3rd/4th Gear Synchronizer Insert
39 - 3rd/4th Gear Synchronizer Sleeve
40 - 3rd Gear Blocking Ring
41 - Drive Gear Clutch Gear
42 - Drive Gear Bearing
43 - Main Drive Gear Bearing
44 - Main Drive Gear
45 - Input Shaft Bearing Cone

Shift Cover:

1 - Shift Bar Housing Expansion Plug
2 - Backup Lamp Switch
3 - Backup Lamp Switch Gasket
4 - Shift Tower Spacer
5 - Shift Lever
6 - Shift Lever Bolt
7 - Shift Lever Bushing
8 - Cup Interlock Expansion Plug
9 - Cover to Case Bolt
10 - Cover Pin
11 - Shift Lever Cover
12 - Vent Pipe
13 - Shift Fork Interlock Pin
14 - 3rd and 4th Shift Fork
15 - Shift Interlock Plunger
16 - Shift Rod Interlock Pin
17 - 1st and 2nd Shift Shaft
18 - 3rd and 4th Shift Shaft
19 - 1st and 2nd Shift Fork
20 - 1st and 2nd Shift Lug
21 - 3rd and 4th Shift Lug
22 - Shift Fork Pad
23 - Reverse and Overdrive Fork
24 - Shift Fork Interlock Pin
25 - Overdrive Lug
26 - Shift Fork Interlock Pin
27 - Overdrive and Reverse Shift Shaft
28 - Shift Fork and Bar Poppet Plunger
29 - Shift Rod Poppet Ball Spring

Transmission Extension:

1 - Transmission Bolt
2 - Transmission Extension
3 - Transmission Case Lock Pin
4 - Vehicle Speed Sensor
5 - Transmission Extension
6 - Transmission Case Lock Pin
7 - Transmission Bolt
8 - Rear Output Shaft Rear Bearing
9 - Mainshaft Rear Bearing Retainer Ring
10 - Mainshaft Seal
11 - Propeller Shaft Yoke
12 - Rubber Washer
13 - Mainshaft Nut Washer
14 - Mainshaft Nut