TM-9-2320-260-10
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 1985
TM-9-2320-260-10 - Page 37 of 411
Change 4
1-23
TM 9-2320-260-10
Vehicle
Empty W/Winch
(a) Max. Payload
(a) Max. Towed Load
lb
kg
lb
kg
lb
kg
M812A1
20,810
9,448
16,000
7,264
15,000
6,810
M813
(b)21,020
9,543
10,000
4,540
15,000
6,810
M813A1
(b)21,120
9,588
10,000
4,540
15,000
6,810
M814
(b)23,540
10,687
10,000
4,540
15,000
6,810
M815
21,040
9,652
10,000
4,540
15,000
6,810
M816
35,050
15,913
(c) 7,000
3,178
20,000
9,080
M817
(b)23,755
10,785
10,000
4,540
15,000
6,810
M818
(b)20,165
9,155
15,000
6,810
(d)15,000
6,810
(e)37,500
17,025
M819
35,065
15,920
(c)12,000
5,448
(d)15,000
6,810
(e)37,500
17,025
M820
(f)28,195
12,801
5,000
2,270
15,000
6,810
M820A1
(f)27,895
12,664
5,000
2,270
15,000
6,810
M820A2
(f)30,195
13,709
5,000
2,270
15,000
6,810
M821
(f)28,880
13,111
10,000
4,540
15,000
6,810
(a)
Subtract 400 lbs (182 kg) for2 crewmembers
(b)
665 lb (302 kg) less without front winch.
(c)
On crane w/boom shipperbraced and secured.
(d)
Pintle load allowance.
(e)
Semitrailergross tongue weight, including rated fifth wheel load allowance.
(f)
Without front winch.
PRESSURE RATING
FRONT
REAR
Standard
Metric
Standard
Metric
(psi)
(kPa)
(psi)
(kPa)
H
CC H
CC
H
CC
H
CC
M812A1 (14:00x20)
50
25
344
172
30
25
206
172
M813, M813A1, M814, M15, M817, M818,
M820, M820A1, M820A2 (11:00x20)
80
60
551
413
50
30
344
206
M816 (11:00x20)
70
60
483
413
70
60
482
413
M819 (12:00x20) - 16 ply (front)
105
80
724
551
65
55
448
379
- 14 ply (rear)
M813 (14:00x20) - supersingle
55
55
379
379
55
55
379
379
M821 (14:00x20)
50
40
344
276
30
25
206
172
All models: Mud, sand, and snow
25
25
172
172
25
25
172
172
Spare tire
*
*
*
*
*
*
*
*
*Maximum highway inflation
H: Highway
CC: Cross-country
Table 1-3. Weights.
Table 1-4. Tire Inflation Data.
Vehicle Type (Tire Size)
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