Full Product Manual

Table of Contents Rev. 10/13/2022 LM MANUAL
Table of Contents Copyright 2020 Vestil Manufacturing Co. Page 4 of 25
FIG. 1D: LM-1T- 4k, 6k & 8k Centers of Gravity (CoG) and Maximum
Load Ratings for Varying Load Attachment Point and Boom
Extension Combinations
The center of gravity of the boom changes as boom length changes. As shown in the diagram below, the
horizontal center of gravity may be located at any point from RHCG to EHCG:
• Retracted horizontal center of gravity (RHCG): boom fully retracted and unloaded. RHCG is measured
from the “origin point” of the above diagram (edges of the fork pockets);
• Extended horizontal center of gravity (EHCG): boom fully extended and unloaded. EHCG is also measured
from the “origin point” of the above diagram (edges of the fork pockets);
• All other combinations of boom extension and load position produce a horizontal center of gravity located
somewhere between RHCG and EHCG.
Model
Extended horizontal
center of gravity
Retracted horizontal
center of gravity
Vertical center of
gravity
A B C D E F G
Net
weight
LM-1T-3-24 48
13
/
16
” (124 cm) 32
11
/
16
(83 cm) 13
13
/
16
” (33.5 cm) 86-151
1
/
4
” 13” 32” 24” 25
7
/
8
” 7
1
/
2
”
2
1
/
2
”
434.4 lb.
LM-1T-4-11 51 in. (129.5 cm) 33
15
/
16
in. (86.2 cm) 13
5
/
8
” (34.6 cm) 86-153
1
/
2
” 13” 19” 11” 25
7
/
8
” 7
1
/
2
”
2
1
/
2
”
404.7 lb.
LM-1T-4-24
48
13
/
16
in. (124.0 cm) 32
11
/
16
in. (83.0 cm) 13
3
/
16
” (33.5 cm)
86-153
1
/
2
” 13” 32” 24” 25
7
/
8
” 7
1
/
2
”
2
1
/
2
”
429.3 lb.
LM-1T-4-30 47
7
/
16
in. (120.5 cm) 32 in. (81.3 cm) 12
15
/
16
” (32.9 cm) 86-153
1
/
2
” 13” 38” 30” 25
7
/
8
” 7
1
/
2
”
2
1
/
2
”
447.4 lb.
LM-1T-4-36 46
3
/
16
in. (117.3 cm) 31
5
/
16
in. (79.5 cm) 12
11
/
16
” (32.2 cm) 86-153
1
/
2
” 13” 44” 36” 25
7
/
8
” 7
1
/
2
”
2
1
/
2
”
465.4 lb.
LM-1T-6-11
47
7
/
16
in. (120.5 cm) 32
3
/
16
in. (81.8 cm) 12
5
/
8
” (32.1 cm) 86-153
1
/
2
” 13” 19” 11” 25
7
/
8
” 7
1
/
4
”
2
1
/
4
”
452.7 lb.
LM-1T-6-24 45
11
/
16
in. (116 cm) 31
3
/
16
in. (79.2 cm) 12
5
/
16
” (31.3 cm) 86-153
1
/
2
” 13” 32” 24” 25
7
/
8
” 7
1
/
4
”
2
1
/
4
”
477.4 lb.
LM-1T-6-30 44
1
/
2
in. (113 cm) 30
9
/
16
in. (77.6 cm) 12
1
/
8
” (30.8 cm) 86-153
1
/
2
” 13” 38” 30” 25
7
/
8
” 7
1
/
4
”
2
1
/
4
”
497.0 lb.
LM-1T-6-36
43
3
/
8
in. (110.2 cm) 29
15
/
16
in. (76 cm) 11
15
/
16
” (30.3 cm) 86-153
1
/
2
” 13” 44” 36” 25
7
/
8
” 7
1
/
4
”
2
1
/
4
”
516.5 lb.
LM-1T-8-24 53
1
/
4
in. (135.3 cm) 34
7
/
16
in. (87.5 cm) 13
5
/
8
” (34.6 cm) 84
5
/
8
-149
1
/
8
” 11
1
/
2
” 32” 24” 26
9
/
16
” 7
1
/
4
”
2
1
/
4
”
665.3 lb.
LM-1T-8-30 53
1
/
4
in. (135.3 cm) 34
7
/
16
in. (87.5 cm) 13
5
/
8
” (34.6 cm)
84
5
/
8
-149
1
/
8
”
11
1
/
2
” 38” 30” 26
9
/
16
” 7
1
/
4
”
2
1
/
4
”
688.5 lb.
LM-1T-8-36
53
1
/
4
in. (135.3 cm) 34
7
/
16
in. (87.5 cm) 13
5
/
8
” (34.6 cm) 84
5
/
8
-149
1
/
8
” 11
1
/
2
” 44” 36” 26
9
/
16
” 7
1
/
4
”
2
1
/
4
”
711.7 lb.
Hook position
A
B
C
D
E
F
G
H
I
J
Distance from end of
boom
36”
91 cm
48”
122 cm
60”
152 cm
72”
183 cm
84”
213 cm
96”
244 cm
108”
274 cm
120”
305 cm
132”
335 cm
144”
366 cm
Maximum rated load. Load suspended from a single hook located at the corresponding hook position.
LM-1T-3-24
3000 lb.
1363 kg
2750 lb.
1250 kg
2500 lb.
1136 kg
2250 lb.
1022 kg
2000 lb.
909 kg
1750 lb.
795 kg
1500 lb.
681 kg
1250 lb.
568 kg
1000 lb.
454 kg
750 lb.
340 kg
LM-1T-4k
4000 lb.
1820 kg
3750 lb.
1705 kg
3500 lb.
1590 kg
3250 lb.
1477 kg
3000 lb.
1363 kg
2750 lb.
1250 kg
2500 lb.
1136 kg
2250 lb.
1022 kg
2000 lb.
909 kg
1750 lb.
795 kg
LM-1T-6k
6000 lb.
2727 kg
5000 lb.
2272 kg
4500 lb.
2045 kg
4000 lb.
1820 kg
3500 lb.
1590 kg
3000 lb.
1363 kg
2600 lb.
1181 kg
2300 lb.
1045 kg
2000 lb.
909 kg
1800 lb.
818 kg
LM-1T-8k
8000 lb.
3636 kg
6650 lb.
3022 kg
6000 lb.
2727 kg
5300 lb.
2409 kg
4650 lb.
2113 kg
4000 lb.
1820 kg
3500 lb.
1590 kg
3000 lb.
1363 kg
2600 lb.
1181 kg
2200 lb.
1000 kg
J
I
H G F
E
D
C
B
A
= Center of gravity
FIG. 1E: LM-1T centers of gravity and dimensions