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Allison Transmissions
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Models
3340, 3341, 3440,3441
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3340, 3341, 3440, 3441 SPECIFICATIONS
Cross-Section | Features
& Benefits |
3340,3341,3440, 3441 General rating+
Input speed range,
full load governed......................3000 rpm
Net input torque (max).......................350 lb ft
Mounting; In-Line models
Engine...SAE 2 dry (12-bolt circle) and one mounting pad at rear
Remote..........Two SAE 2 pads at front and one 2 bolt pad at rear
Mounting; Transfer gear case
models
Engine ...SAE 2 dry (12 bolt circle) and two 6 bolt side pads at rear
Remote...Two SAE 2 pads at front and two 6 bolt side pads at rear
Torque converter
Fixed Capacity.............hydraulic, single-stage, polyphase, 4 element
Variable Capacity..........hydraulic, single-stage, polyphase, 3 element
Stall torque ratio....TC 420-2.9:1; TC 430-3.5:1; VTC 430-3.5:1 vanes open2.3:1 vanes closed
Gearing
Type.........................Constant mesh planetary, in-line straight spur
Range Ratios*:
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First. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . .3.81:1 |
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Second. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . .1.94:1 |
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Third. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . .1.00:1 |
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Fourth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . .0.72:1 |
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Reverse 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . .4.35:1 |
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Reverse 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . .3.12:1 |
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Transfer gear on -7 models only. . . . . . . . . . . . . . . . . . . . . . . .1.62:1 |
* Gear ratio does not include torque converter ratio.
Power takeoff provision*
| Mounting
(side)............................................... |
SAE regular-duty, 6 bolt one on each side |
| Drive
gear.................................................. |
57 tooth, 6/8 pitch |
|
Speeds....................................................... |
turbine speed in neutral, 1st gear, 2nd gear, 3rd gear, and
reverse -1 |
|
turbine speed x 1.39 in 4th gear and 6th gear |
| Power and torque rating (at either
side or total of both sides) |
|
| Power
rating |
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| Torque
rating |
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| Mounting (rear) |
Gear train driven, sliding coupling disconnect-type, located
on upper rear of transfer gear case |
| |
Transfer gear case |
| Speeds |
1.62 x transfer gear case lower shaft |
| Power and torque rating |
Full transmission power and torque |
Oil system
| Sump |
Integral |
| Imput pressure pump |
Positive displacement, gear type, engine driven at
1.0:1 ratio |
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In-Line |
Transfer gear case |
| Oil capacity |
dry-approx 6 US gallon, plus cooling circuit |
dry-approx 7.5 US gallons, plus colling circuit |
|
refill-approx 5.5 gallons |
refill-approx 5.5 gallons |
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deep pan |
dry-7.5 US gallons, plus cooling circuit |
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deep pan |
refill-approx 7 gallons |
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| Oil filter |
remote mounted, full flow (not supplied with
transmission) |
| Oil cooler |
remote mounted (cooler and lines not supplied with
transmission) |
| Oil sump screen |
120-mesh wire cloth |
| Oil sump filter (deep pan only) |
PF 133-1 |
| Oil |
Type C3 |
| fluid
viscosity and grade |
anbient temperatures below which preheat is
required |
|
30 |
32 F (O C) |
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15W-40 |
15 F (-9 C) |
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10W, 10-10W |
-10 F (-23 C) |
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5W-20 |
-30 F (-34 C) |
Size
.
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