Automatic Models HD 4060P/HD
4560P up to 525 ghp (391 kW)
SPECIFICATIONS
Cross-Section | Features & Benefits | Typical Applications | SCAAN Specification Assistance
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
Mounting
Engine...................SAE 1 flywheel housing, flex disk drive Chassis............18 bolt min. flange mount or 6 bolt side pads
Torque converter
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
Gearing�
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.
Power Take Off Provision
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 system
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
Size
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.
Transmission Cross-section (go to top)
Design Features & Benefits (go to top)
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The WT family incorporates the latest technology in design, manufacturing techniques and diagnostics. | ||||||||||||||||
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Hydraulic torque converter with lockup clutch and integral torsional vibration damper and planetary gear package. | ||||||||||||||||
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Unique patented helical gear arrangement provides 4, 5, or 6 speeds in a compact package. | ||||||||||||||||
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The
electronic control system is standard and includes:
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Integral externally accessible cartridge type oil filters simplify maintenance. | ||||||||||||||||
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PTO provision and SAE 1 flywheel housing adaptation are standard features. To reduce length, weight and cost, the PTO drive provision can be deleted. | ||||||||||||||||
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Optional
features available are:
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These options are available direct from Allison and carry the full HD transmission warranty. One-stop shopping for all installation needs and service.
Typical Applications (go to top)
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Linehaul/Shorthaul |
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Construction Hauler |
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Dump Truck |
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Agricultural Tractor |
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Motorhome |
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Transit Mixer |
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Fire Truck |
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Refuse (side load) |
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Refuse |
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Utility |
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On/Off-Highway Logging Truck |
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Lowboy Equipment Hauler |
Specialty Vocations*
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Fire Truck |
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Motorhome |
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Tactical Military Vehicles |
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Other applications are available. |
*Factory approval required
SCAAN Specification Assistance (go to top)
To be sure that you get the most efficient engine/transmission system for your operation in your territory with your preferred vehicle, your local Allison Transmission distributor offers SCAAN (System for Computerized Application ANalysis) to help take the guesswork out of vehicle-buying specification decisions.
SCAAN can compute a wide variety of vehicle performance parameters; and will also check your powertrain specifications against Allison Transmission vocational experience to insure satisfactory vehicle performance.