1A
OPERATION
1.29 Engine Power Correction Factors
Performance data on John Deere engines are measured
at the following standard conditions:
• 29.31 inches of mercury dry air pressure
• 600 feet altitude
• 0 % relative humidity
• 77° F air intake temperature
• 104°F fuel inlet temperature
Refer to the table to estimate the engine power decrease
in percent, as environmental factors vary from the stan-
dard conditions.
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
7
8
1A-26
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9
10
11
Altitude X 1000 Feet
F
U
E
L
T
E
M
P
M
O
D
E
L
R
S I
E
f o
1
8 .
F °
G
5
0
0
1 .
7
G
7
0
0
1 .
9
G
8
5
12
13
14
G50/G70/G85
R
E
L
A
R I
T
E
M
P
A
T L
T I
U
D
E
H
U
M
R
S I
E
R
S I
E
R
f o
1
0
F °
f o
1
0
0
0
t f
f o
1
5 .
0
3
0 .
0
0
e s
e
h c
a
t r
0
5 .
0
0
b
e
o l
w
15
16
17
A
T
V I
E
D I
T I
Y
S I
E
1
0
%
1 .
0
0 .
7
18