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SPECIFICATIONS
CAPACITIES:
See
"System
Capac
ities"
in
Maintenance/
Service
section.
GAS
ENGINE:
Type
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Chrysler
Industrial 90·
V
Number of
Cylind ers
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8
Displacement
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318 cu.in. {5.2
1
L)
Power
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85
hp
{63
kW)
@
2300 rpm
Bore
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3.91
in. {99.3 mm)
Stroke
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3.31
in.
{84.1
mm)
Compression Ratio
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8.6 to
1
Oil
Type
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See
"Fuels,
Fluids and
Lubricants·
in
Maintenance/
Service section
Oil
Pressure: @
2000 rpm
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30 - 80 psi {210
-
550
kPa)
@
minimum
(idle rpm)
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20
psi
(140
kPa)
Timing
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.. 5• BTC@
500 rpm
Firing Order
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1
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8
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4
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3
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6 - 5
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7
-
2
Cylinder
Number: rear
(fan end) to
front (flywheel end)
Right
Bank
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1
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3 - 5
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7
Left
Bank . .
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2 - 4 -
6
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8
Maximum (no
load)
Engine Speed
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2450 rpm
Engine Idle Speed
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800
rpm
Rocker Arm-to-Valve
Clearance:
Exhaust
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0.020
inch
{0.50
mm)
Intake
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0.010
inch
{0.25
mm)
IMPORTANT:
Rocker arm-to-valve clearance adjustments
must
be made with the engine not
running.
Spark Plugs
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RN 12 YC
Spark Plug Gap
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0.035
in.
{0.9
mm)
Thermostat .
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180•F {82•C)
Fuel
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See "Fuels, Fluids and
Lubricants•
in
Maintenance/
Service section
Engine Coolant
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See
"Fuels,
Fluids and
Lubricants"
in
Maintenance/
Service section
DIESEL
ENGINES:
Type
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Cummins
4-390,
4
Cylinder,
4 stroke cycle
-
Naturally Aspirated or Turbocharged
Displacement
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239
cu.in.
(3.92
L)
Power:
Naturally Aspirated version
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73 hp {54 kW)
@
2300 rpm
Turbocharged version
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96 hp (71 kW)
@
2300 rpm
Bore
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4.02
in.
{102
mm)
Stroke
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4.
72
in.
{120
mm)
Compression Ratio
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17.0 to
1
Oil
Type
.
.
...............
.
..
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See
"Fuels,
Fluids and
Lubricants"
in
Maintenance/
Service section
Oil
Pressure: @
2300 rpm
........
.
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..
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30 to 60 psi {210 to
415
kPa)
@
minimum (idle
rpm) .
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13 psi {90 kPa)
Firing Order
(No.1
cylinder
at fan
end)
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. . 1 - 3 - 4
-
2
Maximum (no load) Engine Speed
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2450 rpm
Engine
Idle
Speed
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800 rpm
Rocker
Arm-to-Valve
Clearance:
Exhaust
. .
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.
. .
0.020
inch {0.50 mm)
Intake .
....
.
.
..
.
..
.
..
..
..
..
.
..
.
.
.
....
0.010 inch (0.25
mm)
IMPORTANT:
Rocker arm-to-valve clearance adjustments must
be
made with
the
engine not
running.
Thermostat
.
...
........
.
..
.
...
.
.
..
.....
.
...
.
....
...
...
.
.
.
.
...
.
....
..
. 180•F
{82•C)
Fuel
..
..
..
...
.
.
.
...
.
...
.
.
...
See
"Fuels, Fluids and
Lubricants"
in
Maintenance/
Service section
Engine
Coolant
.....
.
.
.
....
.
.
.
.
See
"Fuels,
Fluids and
Lubricants"
in
Maintenance/
Service section
NOTE:
Specifications and design are subject
to
change
without
notice or obligation to revise
units
previously
sold.
12
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