PREVOST H3-41 - Engine and Transmission Specifications

TECHNICAL INFORMATION
Caution: These tire pressures are established
in accordance with the maximum allowable load
on each axle. A lower pressure is recommended
if the axle load is less than the above
specifications. Weigh vehicle fully loaded and
pressurize according to tire manufacturer's
recommendations. For non standard tire and
wheel specifications, see Prevost tire pressure
tabulation in "Coach Final Record" or special
specification chart affixed next to the DOT
certification plate.
BELTS
Use
Make
Model
Qty
Radiator fan
drive (transfer)
Gates AX-73 3
Radiator fan
drive (fan)
Dayco
Poly-V
10/51
1
A/C system
compressor
Gates BX-100 2
Alternator 2 x
28V, 140 Amps.
Gates
Poly-V
12/82
1
Alternator, 1x
“limp-home”
Gates
Poly-V
12/72
1
ENGINE
Power is provided by a Detroit Diesel DDEC IV
Series 60 engine, displacing 12.7 liters. The
engine is an inline six cylinder, four stroke,
turbocharged, air to air charge cooled, diesel
engine with an overhead camshaft and four
valves per cylinder.
Rated horsepower ... 330 - 400 HP @ 2,100 rpm
Peak torque ................. 1,450 lbf•ft @ 1,200 rpm
Operating range .................... 1,200 – 2,100 rpm
TRANSMISSION
Refer to the paragraph appropriate to your
transmission.
ALLISON WORLD TRANSMISSION
Allison WT B500 (B500R with the optional output
retarder) electronically controlled six speed
automatic transmission.
Gear Ratios
1
st
................................................................ 3.510
2
nd
............................................................... 1.906
3
rd
............................................................... 1.429
4
th
............................................................... 1.000
5
th
............................................................... 0.737
6
th
............................................................... 0.639
Reverse ...................................................... 4.801
Converter ................................................... 1.578
Drive axle ratio ............................................. 4.30
Drive axle ratio (optional) ............................. 4.56
Drive axle ratio (optional) ............................. 4.88
EATON TRANSMISSION
Eaton AutoShift TO-14607B-AST seven-speed
automatic transmission, electronically controlled
with an optional output retarder.
Gear Ratios
Overall ratio ................................................ 12.35
1
st
................................................................. 9.24
2
nd
................................................................. 5.35
3
rd
................................................................. 3.22
4
th
................................................................. 2.04
5
th
................................................................. 1.37
6
th
................................................................. 1.00
7
th
................................................................. 0.75
Reverse ........................................................ 8.99
Torque converter stall ratio ............................ 2.2
Drive axle ratio ............................................. 3.73
Eaton AutoShift RTAO-14710B-AS ten speed
transmission.
Overall ratio ................................................ 14.78
1
st
............................................................... 10.99
2
nd
................................................................. 8.18
3
rd
................................................................. 6.07
4
th
................................................................. 4.46
5
th
................................................................. 3.32
6
th
................................................................. 2.46
7
th
................................................................. 1.83
8
th
................................................................. 1.36
9
th
................................................................. 1.00
10
th
............................................................... 0.74
Reverse ...................................................... 11.23
Drive axle ratio ............................................. 3.73
SPICER MANUAL TRANSMISSION
Spicer PS145-7A 7-speed manual transmission.
1
st
............................................................... 10.13
2
nd
................................................................. 5.99
3
rd
................................................................. 3.56
4
th
................................................................. 2.57
5
th
................................................................. 1.84
6
th
................................................................. 1.33
7
th
................................................................. 1.00
Reverse ...................................................... 10.13
Drive axle ratio ............................................. 3.21
Drive axle ratio (optional) ............................. 3.07
Spicer PS130-6B 6-speed manual transmission.
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