Allison V Series: Difference between revisions

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The Allison V Series is an automatic transmission used on heavy duty vehttp://www.cptdb.ca/wiki/index.php?title=Allison_V_Series&action=edithicles. It is used on vehicles with a V-drive powertrain layout. The V Series was later available with a retarder as an option.
The '''[[Allison]] V Series''' was an automatic transmission used on heavy duty vehicles. It was used on vehicles with a transverse angle drive (V-drive) powertrain layout. It was first produced as a mechanical transmission in 1935. The General Motors Truck and Coach Division first introduced an automatic V-drive transmission for buses in 1947 and then refined the design in 1959 with a hydraulic configuration known as the VH series.<ref>[http://libraryarchives.metro.net/DPGTL/usdot/1982-reliability-evaluation-of-v730-transmission.pdf libraryarchives.metro.net]</ref>


==Models==
===VH Series===
This series was introduced for GM buses in 1947. The VH transmission used hydraulic shift governor. It was produced up to 1976 and was discontinued upon the release of the V730 transmission.
{| border="1" cellspacing="0" cellpadding="2" class=sortable
!Type
!Max. input power
!Max. input torque
!Mass
!Number of speeds
|- align="center"
|VH
|
|
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VH2
|
|
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VH4
|
|
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VH5
|
|
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VH6
|
|
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VH7
|
|
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VH9
|198 hp
|600 lb-ft
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|}


==Models==
===VS Series===
This series was introduced in 1966. The VS transmission used a solenoid to shift. The 3rd gear (overdrive) was powered by hydraulic fluid and had a separate clutch pack. There were minor differences between the models meant for 6 cylinder engines and 8 cylinder engines. It was produced up to 1976 and was discontinued upon the release of the V730 transmission.
{| border="1" cellspacing="0" cellpadding="2" class=sortable
!Type
!Max. input power
!Max. input torque
!Mass
!Number of speeds
|- align="center"
|VS1
|259 hp
|750 lb-ft
|approx. 244.5 kg / 539 lbs (dry)
|1 or 2
|- align="center"
|VS2-6
|198 hp
|600 lb-ft
|approx. 269.9 kg / 595 lbs (dry)
|2 or 3
|- align="center"
|VS2-8
|259 hp
|750 lb-ft
|approx. 269.9 kg / 595 lbs (dry)
|2 or 3
|}


===V730 Series===
This series was introduced in 1976. It was discontinued in 2002. No other V-drive transmissions were produced by Allison afterward.
{| border="1" cellspacing="0" cellpadding="2" class=sortable
{| border="1" cellspacing="0" cellpadding="2" class=sortable
!Type
!Type
!Max. Input Power
!Max. input power
!Max. Input Torque
!Max. input torque
!Mass of Basic Model
!Mass
!Number of Speeds
!Number of speeds
!Notes
|- align="center"
|- align="center"
|V-730
|align=left|V730
|205 kW / 275 HP
|205 kW / 275 hp
|1207 Nm / 890 lb-ft
|1207 Nm / 890 lb-ft
|approx. 405 kg / 890 lbs (dry)
|approx. 405 kg / 890 lbs (dry)
|3
|3
|align=left|
|- align="center"
|- align="center"
|VR-731
|align=left|V(R)731
|205 kW / 275 HP
|205 kW / 275 hp
|1207 Nm / 890 lb-ft
|1207 Nm / 890 lb-ft
|approx. 425 kg / 935 lbs (dry)
|approx. 425 kg / 935 lbs (dry)
|3
|3
|align=left|
*ATEC Computer Controlled
*Retarder available
*Introduced circa 1984
|- align="center"
|- align="center"
|VR-731R
|align=left|V(R)731R
|205 kW / 275 HP
|205 kW / 275 hp
|1207 Nm / 890 lb-ft
|1207 Nm / 890 lb-ft
|approx. 495 kg / 1090 lbs (dry)
|approx. 495 kg / 1090 lbs (dry)
|3
|3
|align=left|
*ATEC Computer Controlled
*Reverse rotation (right-hand)
*Retarder available
|- align="center"
|- align="center"
|VR-731RH
|align=left|V(R)731RH
|205 kW / 275 HP
|205 kW / 275 hp
|1207 Nm / 890 lb-ft
|1207 Nm / 890 lb-ft
|approx. 516 kg / 1135 lbs (dry)
|approx. 516 kg / 1135 lbs (dry)
|3
|3
|align=left|
*ATEC Computer Controlled
*Right-Hand (Reverse) rotation
*Retarder available
|}
|}
==References==
<references/>


[[Category:Allison|V]]
[[Category:Allison|V]]

Latest revision as of 04:39, 20 April 2021

The Allison V Series was an automatic transmission used on heavy duty vehicles. It was used on vehicles with a transverse angle drive (V-drive) powertrain layout. It was first produced as a mechanical transmission in 1935. The General Motors Truck and Coach Division first introduced an automatic V-drive transmission for buses in 1947 and then refined the design in 1959 with a hydraulic configuration known as the VH series.[1]

Models

VH Series

This series was introduced for GM buses in 1947. The VH transmission used hydraulic shift governor. It was produced up to 1976 and was discontinued upon the release of the V730 transmission.

Type Max. input power Max. input torque Mass Number of speeds
VH approx. 244.5 kg / 539 lbs (dry) 1 or 2
VH2 approx. 244.5 kg / 539 lbs (dry) 1 or 2
VH4 approx. 244.5 kg / 539 lbs (dry) 1 or 2
VH5 approx. 244.5 kg / 539 lbs (dry) 1 or 2
VH6 approx. 244.5 kg / 539 lbs (dry) 1 or 2
VH7 approx. 244.5 kg / 539 lbs (dry) 1 or 2
VH9 198 hp 600 lb-ft approx. 244.5 kg / 539 lbs (dry) 1 or 2

VS Series

This series was introduced in 1966. The VS transmission used a solenoid to shift. The 3rd gear (overdrive) was powered by hydraulic fluid and had a separate clutch pack. There were minor differences between the models meant for 6 cylinder engines and 8 cylinder engines. It was produced up to 1976 and was discontinued upon the release of the V730 transmission.

Type Max. input power Max. input torque Mass Number of speeds
VS1 259 hp 750 lb-ft approx. 244.5 kg / 539 lbs (dry) 1 or 2
VS2-6 198 hp 600 lb-ft approx. 269.9 kg / 595 lbs (dry) 2 or 3
VS2-8 259 hp 750 lb-ft approx. 269.9 kg / 595 lbs (dry) 2 or 3

V730 Series

This series was introduced in 1976. It was discontinued in 2002. No other V-drive transmissions were produced by Allison afterward.

Type Max. input power Max. input torque Mass Number of speeds Notes
V730 205 kW / 275 hp 1207 Nm / 890 lb-ft approx. 405 kg / 890 lbs (dry) 3
V(R)731 205 kW / 275 hp 1207 Nm / 890 lb-ft approx. 425 kg / 935 lbs (dry) 3
  • ATEC Computer Controlled
  • Retarder available
  • Introduced circa 1984
V(R)731R 205 kW / 275 hp 1207 Nm / 890 lb-ft approx. 495 kg / 1090 lbs (dry) 3
  • ATEC Computer Controlled
  • Reverse rotation (right-hand)
  • Retarder available
V(R)731RH 205 kW / 275 hp 1207 Nm / 890 lb-ft approx. 516 kg / 1135 lbs (dry) 3
  • ATEC Computer Controlled
  • Right-Hand (Reverse) rotation
  • Retarder available

References