Engine Data
Bore
(nominal-
See Page B.3) ...
Stroke
...
No.
of
Cylinders
Cubic
Capacity
...
Compression Ratio
Firing
Order
Cycle
'"
Combustion
System
Engine Rotation
...
Rating Details
4.99
Maximum
Gross
Rated
Output
Maximum
Gross
Torque
Output
Engine Weights, Dry
48
bhp
(37 kW)
at 4000
rev/min
73 Ibf
ft
(10,1 kgf
m)
at 2250
rev/min
SECTION B
Technical Data
4.108 and 4.107
3.125 in (79,37
mm)
3.5 in (88,9
mm)
Four
107.4 in
3
(1,760
litre)
22:1
1,3,4,2.
Four-Stroke
Indirect
Injection
Clockwise
viewed from
front
4.107
41
bhp
(30,6
kW)
at 3000
rev/min
79 Ibf
ft
(10,9
kgf
m)
at 1900
rev/min
4.99
3.00 in (76,2
mm)
3.5 in (88,9
mm)
Four
99 in
3
(1,621
litre)
20:1
1, 3, 4, 2.
Four-Stroke
Indirect
Injection
Clockwise
viewed
from
front
4.108
55
bhp
(41 kW)
at 4000
rev/min
83 Ibf
ft
(11,5
kgf
m)
at 2200
rev/min
Approx.
dry
weight, bare engine, i.e.
complete
with
fuel
injection
equipment,
pressed steel
oil
sump, dynamo,
water
pump,
but
not
including
starter
motor,
air
cleaner, fan,
flywheel
or
flywheel housing: 330 Ib (150
kg).
Typical
dry
weight, engine with all accessories: 450 Ib
(204
kg).
Where
engines
are
called
upon to
operate
in rarefied
atmospheres
occasioned
by altitude,
such
engines
should
be
de-rated.
The
following
table
is given as a general guide,
which
may
be
applied
on a
percentage
basis,
where
specific
figures
for
a
particular
engine
rating are not available.
Altitude
0-
2,000 feet ( 600
metre)
2,000-
4,000
feet
(1,200
metre)
4,000-
6,000
feet
(1,800
metre)
6,000-
8,000 feet (2,400
metre)
8,000-10,000
feet
(3,000
metre)
10,000-12,000
feet
(3,600
metre)
* Measured
at
setting
speed given in
pump
setting
code.
Maximum
fuel
delivery
de-rating*
No
change
6%
12%
18%
24%
30%
Any
necessary
adjustments
in
this
respect
to
the fuel
pump
should
be
carried
01.11
by
the C.A.V.
dealer
or
Perkins
Distributor
for
the
territory
concerned.
For any
further
information
apply
to
Technical
Services
Department,
Perkins
Engines
Limited,
Peterborough
or
to one
of
the Perkins
Companies
listed on Page 2.
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