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Hydra-Matic 4L60-E (M30) /4L65-E (M32) Transmission
Type: Four speed rear-wheel-drive, electronically controlled, automatic overdrive transmission with torque converter clutch
Engine range: 2.8L - 5.7L (M30) & 6L (M32)
Maximum engine torque:
360lb-ft (488 Nm) (M30) & 400 lb-ft (542 Nm) (M32)
Maximum gearbox torque:
610lb-ft (827 Nm) (M30) & 670 lb-ft (910 Nm) (M32)
Gear ratios:
First: 3.06
Second: 1.63
Third: 1
Fourth: 0.7
Reverse: 2.29
Maximum shift speed (M30):
1-2 6100 rpm
2-3 6100 rpm
3-4 6100 rpm
Maximum shift speed (M32):
1-2 6400 rpm
2-3 6200 rpm
3-4 5600 rpm
Maximum validated gross vehicle weight: up to 8600 lb (3900 kg)
7-position quadrant: P, R, N, OD, D, 2, 1 or P, R, N, D, 3, 2, 1
Case material: Die cast aluminum
Shift pattern: (2) two-way on/off solenoids
Shift quality: Variable bleed solenoid
Torque Converter Clutch: Pulse width modulated solenoid control
Converter size: 245, 258, 280, 300mm (M30) or 300 mm (M32)
Fluid type: DEXRON III
Transmission Weight: wet: 74 kg (M30) or wet: 88.3 kg (M32)
Bottom Pan Removal: 7.9L 245-mm converter or 10.8L 300-mm converter
Pressure taps available: Line Pressure
Assembly Sites: Toledo, Ohio, Romulus, Michigan , Ramos Arizpe, Mexico
http://media.gm.com/division/2005_prodinfo/powertrain/2005%20Photo%20Library/Transmissions/Automatics/Automatics/04%204L60E%20M30-4L65E%20M32LoR.jpg
Additional Technical Info on 4L60/4L65-E
Differences between L60 and L65:-
http://www.superchevy-web.com/tech/0311sc_4l65e/
GM Hydramatic website:-
http://www.gm.com/automotive/gmpowe...missions/hydra/
GM's changes to MY2005 4L60/65-E:-
http://media.gm.com/division/2005_p...ons/4L60_65.htm
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TREMEC T56 (MM6 / M12)
MM6: T56-1386-000-22
M12: T56-1386-000-25
Maximum engine torque: 350lb-ft/474Nm (MM6) 385/522 (M12)
Ratios:MM6....................M12
1st:....2.66...................2.97
2nd:...1.78.................. 2.07
3rd:....1.30...................1.43
4th:....1.00...................1.00
5th:....0.74...................0.84
6th:....0.50...................0.57
Rev:....2.9....................2.9
Gross Vehicle Weight: 4000 lb ( 1680 kg )
Case material: Aluminium
Center Distance: 85 mm
Fluid Type: Dexron III
Transmission Weight: Wet: 54.9 kg
Fluid capacity (approximate): Dry 3.8L
Power take off: No
http://media.gm.com/division/2005_prodinfo/powertrain/2005%20Photo%20Library/Transmissions/Manuals/05%20Tremec%20T56%20MM6-M12%20LoR.jpg
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Type: Four speed rear-wheel-drive, electronically controlled, automatic overdrive transmission with torque converter clutch
Engine range: 2.8L - 5.7L (M30) & 6L (M32)
Maximum engine torque:
360lb-ft (488 Nm) (M30) & 400 lb-ft (542 Nm) (M32)
Maximum gearbox torque:
610lb-ft (827 Nm) (M30) & 670 lb-ft (910 Nm) (M32)
Gear ratios:
First: 3.06
Second: 1.63
Third: 1
Fourth: 0.7
Reverse: 2.29
Maximum shift speed (M30):
1-2 6100 rpm
2-3 6100 rpm
3-4 6100 rpm
Maximum shift speed (M32):
1-2 6400 rpm
2-3 6200 rpm
3-4 5600 rpm
Maximum validated gross vehicle weight: up to 8600 lb (3900 kg)
7-position quadrant: P, R, N, OD, D, 2, 1 or P, R, N, D, 3, 2, 1
Case material: Die cast aluminum
Shift pattern: (2) two-way on/off solenoids
Shift quality: Variable bleed solenoid
Torque Converter Clutch: Pulse width modulated solenoid control
Converter size: 245, 258, 280, 300mm (M30) or 300 mm (M32)
Fluid type: DEXRON III
Transmission Weight: wet: 74 kg (M30) or wet: 88.3 kg (M32)
Bottom Pan Removal: 7.9L 245-mm converter or 10.8L 300-mm converter
Pressure taps available: Line Pressure
Assembly Sites: Toledo, Ohio, Romulus, Michigan , Ramos Arizpe, Mexico
http://media.gm.com/division/2005_prodinfo/powertrain/2005%20Photo%20Library/Transmissions/Automatics/Automatics/04%204L60E%20M30-4L65E%20M32LoR.jpg
Additional Technical Info on 4L60/4L65-E
Differences between L60 and L65:-
http://www.superchevy-web.com/tech/0311sc_4l65e/
GM Hydramatic website:-
http://www.gm.com/automotive/gmpowe...missions/hydra/
GM's changes to MY2005 4L60/65-E:-
http://media.gm.com/division/2005_p...ons/4L60_65.htm
================================================== =========================================
TREMEC T56 (MM6 / M12)
MM6: T56-1386-000-22
M12: T56-1386-000-25
Maximum engine torque: 350lb-ft/474Nm (MM6) 385/522 (M12)
Ratios:MM6....................M12
1st:....2.66...................2.97
2nd:...1.78.................. 2.07
3rd:....1.30...................1.43
4th:....1.00...................1.00
5th:....0.74...................0.84
6th:....0.50...................0.57
Rev:....2.9....................2.9
Gross Vehicle Weight: 4000 lb ( 1680 kg )
Case material: Aluminium
Center Distance: 85 mm
Fluid Type: Dexron III
Transmission Weight: Wet: 54.9 kg
Fluid capacity (approximate): Dry 3.8L
Power take off: No
http://media.gm.com/division/2005_prodinfo/powertrain/2005%20Photo%20Library/Transmissions/Manuals/05%20Tremec%20T56%20MM6-M12%20LoR.jpg
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