Allison World Transmission

Automatic Models MD 3066P(R) up to 360 ghp (268 kW)

                                  Standard and Shorthaul Ratings
Gross input power (maximum).......................360 hp (268 kW)
Gross input torque (maximum)................1085 lb ft (1471 N·m)
Net input power (maximum).........................340 hp (254 kW)
Net input torque (maximum)..................1050 lb ft (1424 N·m)
Rated input speed (minimum-maximum)..............2000 - 2800 rpm

                                                   Refuse Rating
Gross input power (maximum).......................320 hp (239 kW)
Gross input torque (maximum).................930 lb ft (1261 N·m)
Net input power (maximum).........................300 hp (224 kW)
Net input torque (maximum)...................900 lb ft (1220 N·m)
Rated input speed (minimum-maximum)..............2000 - 2800 rpm

                                                Specialty Rating+
Gross input power (maximum).......................360 hp (268 kW)
Gross input torque (maximum)................1200 lb ft (1627 N·m)
Net input power (maximum).........................340 hp (254 kW)
Net input torque (maximum)..................1150 lb ft (1559 N·m)
Rated input speed (minimum-maximum)..............2000 - 2800 rpm    

Engine...................SAE 2 flywheel housing, flex disk drive
Chassis...................................Rear support available
                               (required for some installations)    

Type.........................One-stage, three element, polyphase
Stall torque ratio.........TC 411-2.71; TC 413-2.44; TC 415-2.35
              TC 417-2.20; TC 418-1.98; TC 419-2.02; TC 421-1.78
Lockup clutch with torsional damper............Integral/standard
    

Type.................Patented, constant mesh, helical, planetary

         Range                                  Ratios*:
         First...................................3.49:1
         Second..................................1.86:1
         Third...................................1.41:1
         Fourth..................................1.00:1
         Fifth...................................0.75:1
         Sixth...................................0.65:1
         Reverse.................................5.03:1
         Ratio Coverage
         Forward.................................5.34:1

           * Gear ratios do not include torque converter multiplication.    

Optional power takeoff units.......Engine-driven, constant-drive, 
                        265-335 lb ft (360-455 N·m) intermittent
                         ..........Engine-driven, clutched-drive, 
                        265-335 lb ft (360-455 N·m) intermittent
                         ..........Engine-driven, clutched-drive, 
                        415-575 lb ft (560-780 N·m) intermittent
Left or right side......................................standard
    

Oil type................C4, MIL-L-2104, MIL-L-46167, DEXRON®-III
Capacity (excluding external circuit)....29 U.S. qts (28 liters)
Filters-main & cooler..............Replaceable element, integral
Heat exchanger type....................oil to water, integral or
                                          remote-mount available    

                                                       MD 3066P
                                                 with PTO drive
Length (FW housing to output flange face).......33.2 in (843 mm)
Depth (centerline to lowest point)..............12.8 in (325 mm)
Weight (dry)**..................................575 lbs (261 kg)

                                                        MD 3066
                                              without PTO drive
Length (FW housing to output flange face).......29.0 in (736 mm)
Depth (centerline to lowest point)..............12.8 in (325 mm)
Weight (dry)....................................535 lbs (243 kg)
+Specialty vehicles cover emergency vehicles, motorhomes,
heavy equipment haulers, and tactical military vehicles.

++Vocational shift calibrations vary by application.
    

	The WT family incorporates the latest technology in design, manufacturing techniques and diagnostics.
	Hydraulic torque converter with lockup clutch and integral torsional vibration damper and planetary gear package.
	Unique patented helical gear arrangement provides 4, 5, or 6 speeds in a compact package.
	The electronic control system is standard and includes: Integral electronic control unit and shift selector (Pushbutton or lever) Wiring harness Neutral-range inhibit Adaptive closed loop controls for shift quality Performance/economy mode schedules Remote shift selector optional Various vocational calibration packages available
	Integral externally accessible cartridge type oil filters simplify maintenance.
	PTO provision and #2 FW housing adaptation are standard features.
	To reduce length and weight the PTO drive provision can be deleted.
	Redesigned clutch and friction plates to carry greater torsional loads.
	Increased oil flow to meet the specific vocational vehicle requirements.
	Optional features available are: Output flanges/yokes Flex disk engine adaptation Oil level sensor (12 or 24 volt capability) Direct mounted oil cooler Output retarder Tachograph drive provision (non-retarder)

	Fire Truck
	Motorhome
	Refuse Truck
	Utility Truck
	Shorthaul Tractor
	Dump Truck
	Ready Mix
	Beverage Truck

	Emergency Vehicles
	Motorhome
	Tactical Military Vehicles
	Heavy Equipment Haulers