Allison World Transmission

Automatic Models HD 4060P/HD 4560P up to 525 ghp (391 kW)

                                                 Standard Rating
Gross input power (maximum).......................450 hp (336 kW)
Gross input torque (maximum)................1460 lb ft (1979 N·m)
Net input power (maximum).........................445 hp (332 kW)
Net input torque (maximum)..................1435 lb ft (1946 N·m)
Rated input speed (minimum-maximum)..............1700 - 2300 rpm
    

                                       HD 4060 Specialty Rating+
Gross input power (maximum).......................525 hp (391 kW)
Gross input torque (maximum)................1550 lb ft (2102 N·m)
Net input power (maximum).........................500 hp (373 kW)
Net input torque (maximum)..................1550 lb ft (2102 N·m)
Rated input speed (minimum-maximum)..............1700 - 2300 rpm
    

                                       HD 4560 Specialty Rating+
Gross input power (maximum).......................500 hp (373 kW)
Gross input torque (maximum)................1530 lb ft (2074 N·m)
Net input power (maximum).........................465 hp (347 kW)
Net input torque (maximum)..................1460 lb ft (1979 N·m)
Rated input speed (minimum-maximum)..............1700 - 2300 rpm
    

Engine...................SAE 1 flywheel housing, flex disk drive
Chassis............18 bolt min. flange mount or 6 bolt side pads    

Type.........................One stage, three element, polyphase
Stall torque ratio............TC 521-2.4; TC 531-2.3; TC 541-1.9;
                                          TC 551-1.8; TC 561-1.6
Lockup clutch with torsional damper............Integral/standard    

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

                                 HD 4060P               HD 4560P
         Range                    Ratios*                Ratios*
         First....................3.51:1 ................4.70:1
         Second...................1.91:1 ................2.21:1
         Third....................1.43:1 ................1.53:1
         Fourth...................1.00:1 ................1.00:1
         Fifth....................0.74:1 ................0.76:1
         Sixth....................0.64:1 ................0.67:1
         Reverse..................4.80:1 ................5.55:1
         Ratio coverage
         Forward..................5.48:1 ................7.01:1

           * Gear ratio does 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
Standard positions.....8 o'clock and 1 o'clock, viewed from rear 
 
    

Oil type................C4, MIL-L-2104, MIL-L-46167, Dexron® III
Capacity.............................(excluding external circuit)
                             Initial fill 47 U.S. qts (45 liters)
Oil Change................................37 U.S. qts (39 liters) 
Filter - main & cooler.............Replaceable element, integral 
Heat exchanger type....................Oil to water, integral or
                                          remote mount available 
    

                                               HD 4060P/HD 4560
                                                 with PTO drive
Length (FW housing to output flange face).......34.1 in (867 mm)
Depth...........................................14.7 in (373 mm)
Weight.......w/retarder..........................968 lb (440 kg)
             without retarder....................893 lb (406 kg)    

                                               HD 4060P/HD 4560
                                              without PTO drive
Length (FW housing to output flange face).......31.3 in (794 mm)
Depth...........................................14.7 in (373 mm)
Weight.......w/retarder..........................906 lb (412 kg)
             without retarder....................831 lb (378 kg)    

+Specialty vehicles cover: emergency vehicles, motorhomes, heavy equipment haulers, and
 tactical military vehicle. 
¤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: Cab mounted Integral electronic control unit and shift selector (Pushbutton or lever) Wiring harness Transmission mounted control module Neutral-range inhibit Adaptive closed loop controls Performance/economy mode shift schedules
	Integral externally accessible cartridge type oil filters simplify maintenance.
	PTO provision and SAE 1 flywheel housing adaptation are standard features. To reduce length, weight and cost, the PTO drive provision can be deleted.
	Optional features available are: Output flanges/yokes Flex disk engine adaptation Rear support Remote shift selector Oil level sensor Direct mounted oil cooler Tach-o-graph Output retarder

	Linehaul/Shorthaul
	Construction Hauler
	Dump Truck
	Agricultural Tractor
	Motorhome
	Transit Mixer
	Fire Truck
	Refuse (side load)
	Refuse
	Utility
	On/Off-Highway Logging Truck
	Lowboy Equipment Hauler

	Fire Truck
	Motorhome
	Tactical Military Vehicles
	Other applications are available.