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Allison 6600 M6600 S6600 transmission
Model No: 6600 M6600 S6600

Allison 6600 M6600 S6600 transmission

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Drilling, Well Service, Heavy Trucks
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Allison 6600 M6600 S6600 transmission，S6600 Remanufactured Allison Transmission

Description

S6600 Remanufactured Allison Transmission
Product NameNet Input Torque lb-ft (N.M)Net Input Power hp (kW)Turbine Torque lb-ft (N.M)Vocations
Allison 6600 M6600 S6600 transmission,
S6600 Remanufactured Allison Transmission
S6600, M6600 (Manual, Hydraulic, Manual Electric, Automatic Electric Controls)
2300 (3118)850 (634)4000 (5423)
Allison 6600 M6600 S6600 transmission,
Oil Field Pumpers, Frac, Cementing,
Drilling, Well Service, Heavy Trucks

S6600 Remanufactured Allison Transmission / S6600 Remanufactured Allison Transmission 

applied to ENGINE INTERFACE

  • Acceptable full-load engine governed speed: 1900-2500 rpm
  • Minimum engine idle speed range (with the transmission in Drive): 550 rpm

S6600 Remanufactured Allison Transmission，S6600 Remanufactured Allison Transmission MOUNTING

  • Direct: SAE No.1 flywheel housing with flexplate drive. Cradle mount using engine flywheel
    housing mounting pads and transmission rear cover mounting pads with 0.625-11 inch series bolts
  • Remote: Side pads on transmission rear cover, plus front trunnion mount.

S6600 Remanufactured Allison Transmission ， S6600 Remanufactured Allison Transmission TORQUE CONVERTER

ModelStall Torque RatioKp-Factor* at Stall
TC-680 (with retarder)2.1753.2 (45.7)
TC-680 (without retarder)2.0854.6 (46.9)
TC-6821.7743.7 (37.5)
TC-6831.8535.1 (30.1)

MECHANICAL RATIOS S6600 Remanufactured Allison Transmission

Allison 6600 M6600 S6600 transmission Gear ratios do not include torque converter multiplication), Allison 6600 M6600 S6600 transmission

First4.00 : 1
Second2.68 : 1
Third2.01 : 1
Fourth1.35 : 1
Fifth1.00 : 1
Sixth0.67 : 1
Reverse 1– 5.15 : 1
Reverse 2– 3.44 : 1
In forward range5.97

Allison 6600 M6600 S6600 transmission CONTROL SYSTEM ，S6600 Remanufactured Allison Transmission

DescriptionS6600 Remanufactured Allison Transmission，Automatic Electronic, Manual Electric, Manual Hydraulic
Shift Sequences[C = Converter Mode (lockup clutch disengaged); L = Lockup Mode (lockup clutch engaged)] 1C–1L–2C–2L–3C–3L–4C–4L–5C–5L–6C–6L
Driver-to-Transmission InterfaceCustomer furnished, cab-mounted shift selector

PHYSICAL DESCRIPTION，S6600 Remanufactured Allison Transmission

Allison 6600 M6600 S6600 transmission
Length (engine housing to flange face)
  • Basic:
  • With retarder provision:
  • 54.3 in (1380 mm)
  • 57.8 in (1467 mm)
Allison 6600 M6600 S6600 transmission
Width
  • Basic:
  • With retarder provision:
  • 25.9 in (658 mm)
  • 29.4 in (747 mm)
Depth (below horizontial center line)，
S6600 Remanufactured Allison Transmission
Allison 6600 M6600 S6600 transmission20.1 in (511 mm)
Height (above horizontial centerline)
S6600 Remanufactured Allison Transmission
  • Basic:
  • With direct mount filters:
  • 13.7 in (348 mm)
  • 18.2 in (462 mm)
Dry Weight，
S6600 Remanufactured Allison Transmission
  • Basic:
  • Top engine-driven PTO drive gear:
  • Park Brake (12” x 5”):
  • Remote Mount Provision:
  • Retarder Provision:
  • 2200 lb (998 kg)
  • Add 30 lb (14 kg)
  • Add 60 lb (27 kg)
  • Add 55 lb (25 kg)
  • Add 165 lb (75 kg)

Allison 6600 M6600 S6600 transmission SIDE ENGINE-DRIVEN POWER TAKE-OFF PROVISION

PTO driveEngine-driven spur gear
PTO mounting padEight-bolt, 4 o’clock position (as viewed from rear of transmission)
PTO drive gear ratio1.00 x engine speed
PTO drive gear ratingIntermittent: 200 hp (149 kW) and Continuous: 125 hp (93 kW)

Allison 6600 M6600 S6600 transmission LIGHT DUTY ACCESSORY DRIVE

Accessory driveEngine-driven, internal spline
Accessory drive mounting padLocation: 4 o’clock position (as viewed from rear of transmission)Orientation: Toward rear of transmission
Accessory drive ratio1.00 x engine speed
Accessory drive ratingTorque: 25 lb-ft (24 N m)Power: 10 hp (7.5 kW)

TOP ENGINE-DRIVEN POWER TAKE-OFF PROVISION (OPTION)

PTO drive
Allison 6600 M6600 S6600 transmission
Engine-driven spur gear

PTO mounting pad,
Allison 6600 M6600 S6600 transmission
Eight-bolt, 12 o’clock position (as viewed from rear of transmission)

PTO drive gear ratio,
Allison 6600 M6600 S6600 transmission
1.21 x engine speed

PTO drive gear rating

  • Intermittent: 200 hp (298 kw)
  • Continuous: 125 hp (224 kw)

INPUT RETARDER PROVISION (OPTION)

TypeIntegral, hydraulic – Coupling-type rotor between fixed stators
Capacity at 2100 rpm
  • Torque: 1500 lb-ft (2034 N m)
  • Power: 600 hp (447 kW)

OIL SYSTEM

Oil TypeC-4

Capacity Excluding external circuits18.0 Gallons (68 liters)

Main Circuit Oil Filter
  • Standard: Manifold for full-flow, remote mounted, replaceable element
  • Optional: Direct-mount full flow, replaceable elements (2)
Cooler circuit oil filter (optional)

Replaceable element, remote-mounted

Allison 6600 M6600 S6600 transmission SPEEDOMETER PROVISIONS

Electronic:Location: LS-TTL signal, 39 pulses per output shaft revolution
Output signal from transmission ECU
Mechanical Drive:Location: SAE “Heavy Duty” 5/32-inch; Ratio 0.50: 1
Transmission rear cover

Allison 6600 M6600 S6600 transmission PARK BRAKE PROVISION

  • Type (customer supplied): 12 x 5-inch drum
  • Capacity at lever apply force: 90,000 lb-in at 517 lbf (10,168 N*m at 2058 N)
Allison 6600 M6600 S6600 transmission ，S6600 Remanufactured Allison Transmission