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RATINGS Gross Gross Net
Input Torque Input Power1 Turbine Torque2 GVW GCW
lb-ft hp lb-ft lbs lbs
3000 EVS 1250 400 1700 n/a n/a
3500 EVS 985 330 1450 n/a n/a
4000 EVS 1675 580 2600 n/a n/a
4500 EVS 1600 540 2600 n/a n/a
1 Gross Power rating as defined by ISO 1585 or SAE J1995.
2 Turbine Torque limit based on SCAAN standard deductions.
ENGINE/DRIVETRAIN INTERFACES 3000/3500 EVS 4000/4500 EVS
Acceptable full-load engine governed speed 2000-2800 rpm 1700-2300 rpm
Acceptable engine idle speed range (with transmission in Drive) 500–800 rpm 500–800 rpm
Maximum output shaft speed at 65 mi/hr – retarder-equipped models only 3600 rpm n/a
MOUNTING 3000/3500 EVS 4000/4500 EVS
Engine SAE No. 2 SAE No. 1
Chassis (all models) Rear support available (required for some installations)
TORQUE CONVERTER
3000/3500 EVS Stall Kp-Factor* 4000/4500 EVS Stall Kp-Factor*
Torque Ratio at Stall Torque Ratio at Stall
TC-411 2.71 114.1 TC-521 2.42 59.0
TC-413 2.44 85.4 TC-531 2.34 52.2
TC-415 2.35 79.4 TC-541 1.90 46.2
TC-417 2.20 70.5 TC-551 1.79 44.5
TC-418 1.98 71.2 TC-561 1.58 41.2
TC-419 2.02 64.0
TC-421 1.77 55.8
Includes standard integral damper which is operational in lockup
* Kp-Factor defines torque converter capacity. Kp = the ratio of converter pump speed [rpm] divided by the square root of the pump torque [lb-ft].
MECHANICAL RATIOS*
Range 3000 EVS 3500 EVS 4000 EVS 4500 EVS
First 3.49:1 4.59:1 3.51:1 4.70:1
Second 1.86:1 2.26:1 1.91:1 2.21:1
Third 1.41:1 1.53:1 1.43:1 1.53:1
Fourth 1.00:1 1.00:1 1.00:1 1.00:1
Fifth 0.75:1 0.75:1 0.74:1 0.76:1
Sixth 0.65:1 0.65:1 0.64:1 0.67:1
Reverse -5.03:1 -5.00:1 -4.80:1 -5.55:1
Ratio coverage
Forward 5.34 7.05 5.48 7.01
* Gear ratios do not include torque converter multiplication.
CONTROL SYSTEM
Description Electronic, closed loop, adaptive with stand-alone Electronic Control Unit (ECU)
Driver-to-Transmission Interface Cab-mounted shift selector, push button or lever
Communication Protocol – Engine/Vehicle Interface SAE J1939, SAE J1587, ISO 9141
SPEEDOMETER PROVISIONS
Description Non-zero-crossing square wave
8 or 16 pulses per revolution of transmission output shaft
Location Electronic output from transmission ECU
TACHOGRAPH PROVISION
Tone-wheel 4- or 6-tooth
Mounting M18 x 1.5 metric thread
Location Retarder housing (optional)
Transmission rear cover (optional)
A L L I S O N A U T O M AT I C T R A N S M I S S I O N S
EMERGENCY VEHICLE SERIES
UP TO 580 GHP, 1675 LB-FT
E M E R G E N C Y V E H I C L E S E R I E S
SPECIFICATIONS
P.O. BOX 894, SPEED CODE PF3
INDIANAPOLIS, INDIANA 46206-0894
1-800-252-5ATD
WWW.ALLISONTRANSMISSION.COM
ISO/QS 9000 AND ISO 14001 CERTIFIED
INFORMATION AND SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE OR OBLIGATION. SA3566EN (2002/04) LITHO IN U.S.A.
3000/3500 EVS OPTIONAL ENGINE-DRIVEN POWER TAKEOFF PROVISION
PTO mounting pads Ten-bolt
PTO mounting locations as viewed from rear Side/Side
PTO Option
4 & 8 o’clock positions
PTO drive gear rating Continuous operation
Using one PTO 1.00 x engine speed, 485 lb-ft
Using two PTOs 1.00 x engine speed, 685 lb-ft
4000/4500 EVS OPTIONAL ENGINE-DRIVEN POWER TAKEOFF PROVISION
PTO mounting pads/locations as viewed from rear Ten-bolt/1 & 8 o'clock positions
PTO drive gear rating Continuous operation
Using one PTO 1.00 x engine speed, 685 lb-ft
Using two PTOs 1.00 x engine speed, 1175 lb-ft
OPTIONAL RETARDER PROVISION
Output Integral, hydraulic
Capacity Torque Power
3000/3500 EVS High 1600 lb-ft 600 hp
Medium 1300 lb-ft 500 hp
Low 1100 lb-ft 400 hp
4000/4500 EVS High 2000 lb-ft 600 hp
Medium 1600 lb-ft 600 hp
Low 1300 lb-ft 500 hp
SIZE Length* Dry weight
3000/3500 Basic Model 29.0 in 535 lbs
3000/3500 With PTO only 33.2 in 575 lbs
3000/3500 With output retarder only 29.0 in 615 lbs
3000/3500 With PTO & output retarder 33.2 in 655 lbs
4000/4500 Basic Model 31.2 in 831 lbs
4000/4500 With PTO only 34.0 in 893 lbs
4000/4500 With output retarder only 31.2 in 906 lbs
4000/4500 With PTO & output retarder 34.0 in 968 lbs
Depth
Below transmission centerline 3000/3500 Standard Deep Sump 12.8 in
3000/3500 Optional Shallow Sump 11.1 in
4000/4500 Standard Deep Sump 14.7 in
4000/4500 Optional Shallow Sump 13.2 in
* Length from engine housing to output flange face.
OIL SYSTEM
Oil type TranSynd™, DEXRON®-III
Capacity, excluding external circuits
3000/3500 EVS 4000/4500 EVS
Standard Deep Sump, with PTO 29 qts 51 qts
Standard Deep Sump, without PTO 29 qts 48 qts
Optional Shallow Sump, with PTO 26 qts 43 qts
Optional Shallow Sump, without PTO 26 qts 40 qts
Filters – main and cooler Replaceable element, integral
The Allison EVS is a new
generation of fire/emergency
transmissions that offers
increased torque and
horsepower ratings to match
today’s more powerful engines.
Call 1-800-252-5ATD for the
tools to help you select
the Allison EVS transmission
that will match your needs.
3500 EVS
4000 EVS 4500 EVS
3000 EVS
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