PREVOST H3-45 - Allison Transmission; Gear Ratios; Belts; Volvo D13 Engine

Technical Information 9-13
PA-1628Operator's ManualH3-45 COACH
WARNING
Special tire selection may lower maximum
allowable speed limit, even below posted speed
limit. For maximum safety, check with tire
manufacturer.
BELTS
A: Alternator I: Idler T: Tensioner
C: Crank WP: Water pump AC: A/C compressor
Belt application Type Qty
A/C compressor - high capa-
city HVAC system
V Belt BX71 2
Alternator - twin Bosch, curb
side
Multi-V-8 Rib
8PK1575
1
Alternator - emergency belt on
upper alternator, curb side
Multi-V-8 Rib
8PK1512
1
Alternator - single Bosch,
street side
Multi-V-10
Rib
10PK1695
1
Coolant pump
Multi- V- 10
Rib
10PK1512
1
NOTE
Belts specifications and configurations may vary.
For proper belt selection, always consult your
vehicle "Coach Final Record" .
VOLVO D13 ENGINE
Type: . . . . . 4-stroke / inline six cylinders
Displacement: 12.8 l, SOHC, 4-valve /cylinder
Power: . . . . . 435 HP
Torque: . . . . . 1700 lbf·ft @ 1100 rpm
Cruise speed range: . . . . . 1300-1500 rpm
Full dress, dry weight: . . . . .1174 kg / 2588 lb
ALLISON TRANSMISSION
Allison B500 (B500R with the optional output
retarder) electronically controlled six- speed
automatic transmission.
GEAR RATIOS
1
st
................................................ 3.51
2
nd
............................................... 1.91
3
rd
............................................... 1.43
4
th
................................................ 1.00
5
th
................................................ 0.74
6
th
................................................ 0.64
Reverse:
4.80
Converter:
1.90
Differential ratio
3.91
Differential ratio (optional):
3.58
Differential ratio (ZF A-132 axle):
3.54
Maximum input torque:
1700 lb-ft
(2304Nm)
VOLVO I-SHIFT TRANSMISSION
Electronically automated twelve speed automatic
transmission
Gear & Ratio
1
st
................................................ 14.94
2
nd
............................................... 11.73
3
rd
............................................... 9.04
4
th
................................................ 7.09
5
th
................................................ 5.54
6
th
................................................ 4.35
7
st
................................................ 3.44