571 | 572
SERIES
Designed for permanent installation and
smooth rotation, the Captain Series
provides extended height and reach,
and still only requires a 6” concrete
floor for installation.
Up to 2200 lb Capacity
Stationary Davit Cranes
• Adjustable Boom Angle*
• Bearings for Smooth 360° Rotation
• Manual or Power Winch Operation
• Two Corrosion-Resistant Finishes
Model 572E3
• Mast Locks in Four Positions
• Up to 350’ Long Lift Capability
• 2-Year Warranty
Made in the USA
*With ratchet-style screw-jack option
LEAVE the heavy lifting to us
HAND / POWER / HYDRAULIC / AIR WINCHES • DAVIT CRANES
Winona, MN USA | www.thern.com
CONFIGURATIONS
SERIES 571 and 572
CAPACITY 2200 LB
997 KG
Stationary Davit Cranes
Model 571M1 with
standard fixed boom
Wire Rope
Boom
Load Hook
Drum
Boom Brace
Hand or Power Winch Operation
Up to 2200 lb capacity
■ Hand Winch Operated Models include spur
gear or worm gear hand winch with brake for load
control. Model 571M2 can be drill driven, 300 rpm
max.
■ Power Winch Operated Models include
115 volt 1 phase AC electric winch with pendant
control and brake. Other power options available,
please contact factory.
■ Fixed Boom — Boom Position C.
■ Adjustable Boom Option — adjusts between
Boom Position A and D — with hand operated
ratchet style screw-jack, used to adjust height and
reach. Optional screw-jack sold separately.
Base
■ M
ast and Boom Rotate on tapered roller
bearings for smooth 360º load movement. Mast
locks in one of four position with hand tightened
lock bolt. Handle on the mast makes rotation easy.
Winch
■ Gusset Style Base for permanent installation
and stability under load.
■ Epoxy Finish available for improved protection
against corrosion.
Ratchet Style Screw-Jack
(optional)
■ Wire Rope Assemblies sold separately. See
tables on following pages.
■ Two-year Limited Warranty
Captain 1500 and Captain 2200 — Crane Configurations and Options
Model 571M2 with
adjustable boom
option (screw-jack
sold separately)
Approx. Ship
Weight
Model
Description
(lb)
(kg)
571M1
Up to 1500 lb — with M4312PB-K spur gear hand winch
425
193
571M2
Up to 1500 lb — with 4WM2V-K worm gear hand winch
450
205
571E2
Up to 1500 lb — with 4WP2-K electric winch — 115 VAC, 1 phase, 6 ft pendant control
475
216
571E4
Up to 1500 lb — with 4777-K electric winch — 115 VAC, 1 phase, 6 ft pendant control
489
222
572M1
Up to 2200 lb — with M452B-K spur gear hand winch
720
327
572E2
Up to 2200 lb — with 3WG4B-K electric winch — 115 VAC, 1 phase, 6 ft pendant control
970
440
572E3
Up to 2000 lb — with 4771-K electric winch — 115 VAC, 1 phase, 6 ft pendant control
750
341
572E5
Up to 2200 lb — with 4WS3M^6-K electric winch — 115 VAC, 1 phase, 6 ft pendant control *
1050
477
SJ1
Ratchet style screw-jack for Series 571 (replaces standard boom brace)
37
17
SJ2
Ratchet style screw-jack for Series 572 (replaces standard boom brace)
97
44
* Other configurations also available. Please contact factor or nearest Thern Distributor for firm fixed price and delivery.
1-800-843-7648
1-800-843-7648
www.thern.com
www.thern.com
1-800-843-7648
www.thern.com
DIMENSIONS
ISO 9001 Certified
ISO 9001 Certified
ISO 9001 Certified
C
E3, E4, E5
(and E2 on
E3,
E4only)
and E5
572
E3,
E4 and E5
location
location
location
E3, E4 and E5
location
B
B
B
A
A
M1, M2
M1,E2
M2on
(and
M1,
M2
and
E2
571 only)
and
E2
location
location
F M1,
location
M2
F
and E2
F location
A
Adjustable Boom Option
Adjustable
Boom
Option
Ratchet
Style
Screw-Jack
Ratchet Style Screw-Jack
Adjustable Boom Option
Ratchet Style Screw-Jack
hook
hook
height
height
hook
height
G
G
G
hook reach
hook reach
hook reach
Series
571
Captain
1500
Series 571
Series 571
132
132
D
D
D
15 1 1
00 5050
00
Series 571
C
C
C
00
15500
1
0
00 35
0
15 1
135
0
5
13
1200
1200
1200
132
120
120
B
B
B
24
24
36
36
48
48
60
60
Important:
Load rating will vary with wire rope length and boom
Load rating
will vary
with wire rope
length and boom
Important:
position.
Please
see Performance
Characteristics
Dimensions are for reference only and subject to change without notice.
IMPORTANT:
position.
Please
see with
Performance
tablerating
on the
following
page.
Load
will
vary
wire ropeCharacteristics
length and boom
Load
rating will
wire rope length
and boom position.
table
onvary
thewithfollowing
page.
position.
Please
see Performance
Characteristics
Please
see Performance
Characteristics
table on the following
page.
table onQthe following page.
Important:
S
Q
Important:
S
It is the owner's or operator's
Q
It
is the owner's
operator's
Important:
S
responsibility
to or
determine
the
responsibility
to determine
the
IMPORTANT:
R
suitability
of the
equipment
to
It
is
the
owner's
or
operator's
R
It issuitability
the
owner
or
operator’s
responsibility
to
of
the
equipment
to
its
intended
use.
Study
all
responsibility
toof the
determine
the
determine
the
suitability
equipment
to
its
its
intended
use.
Study
all
applicable
codes,
manuals,
R
suitability
of allthe
equipment
to
intended
use. Study
applicable
codes, manuals
applicable
codes,
manuals,
and
regulations.
Be
sure
its
intended
use.to Study
all to
and
regulations.
Be sure
read
the
Owner’s
and
regulations.
Be
sure
to
readsupplied
the Owner's
Manual
applicable
codes,
manuals,
Manual
with
the equipment
before
read
the Owner's
Manual
supplied
with the
operating
it.
and
regulations.
Beequipment
sure to
supplied
with theit.
equipment
before
read
theoperating
Owner's Manual
before operating it.
supplied with the equipment
before operating it.
Captain
2200
Series 572
Series 572
Series
572
108
96
96
96
84
84
A
A7260
60
A
60
48
48
72
72
84 in
84 in
168
168
Series 572
84
72
72
Positions A, B and D require
Positions order
A, B and
D require
separate
of ratchet
style
separate
order of ratchet style
screw-jack.
Positions
A, B and D require
screw-jack.
separate order of ratchet style
screw-jack.
12
12
120
108
108
Series 572
F
67.19 in
77.41 in
F
67.19
in
77.41
571
Series
572in
G
32.88
in
in (mm)
(in)Series
(mm)
(in) 38.62
G
32.88
in
38.62 in
131.19
in
155.75
FFH
67.19
in
77.41
inin 1966.2
67.19
1706.6
77.41
H
131.19 in
155.75 in
GQ
32.88
38.62
16.00inin
20.00inin
GQ
32.88 131.19
835.1
38.62
980.9
16.00
20.00
H
155.75
R
18.00inin
in
23.00inin
in
R
18.00
in
23.00
in
H
131.19
3332.2
155.75
3956.0
.56inin
.81inin
QS (hole dia.)
16.00
20.00
S (hole dia.)
.56 in
.81 in
R
18.00 in
23.00 to
in change
QDimensions are
16.00
406.4only and20.00
508
for reference
subject
Dimensions
are
for
reference
only
and
subject
to
S
(hole
dia.)
.56
in
.81
in change
notice.18.00
Rwithout
457.2
23.00
584.2
without notice.
Dimensions are for reference only and subject to change
S (hole dia.)
.56
14.2
.81
20.5
without
notice.
Important:
00 2222
0000
H
Series 571
Series
571
Series
572
Series 571 and
572
Crane Dimensions
Series
571
Series
572
C
C
D
22
H
H
Series Dimensions
571 and 572 Crane Dimensions
Crane
Series 571 and 572 Crane Dimensions
D
D
Positions A, B and D require
Positions
A, B and
D require
separate order
of ratchet
style
separate order of ratchet style
screw-jack.
Positions A, B and D require
screw-jack.
separate order of ratchet style
screw-jack.
48
36
36
36
24
24
24
12
12
12
Series 571 and 572 – Height and Reach
00
22200
2
00
22 20000
200
0
200
D
D
D C
C
C
1700
1700
1700
168
156
156
156
144
144
144
132
132
B
B
B
132
120
120
120
108
108
108
96
96
A
A
A
96
84
84
84
72
72
72
60
60
60
48
48
Positions A, B and D require
Positions
A, B and
D require
48
36
separate order
of ratchet
style
36
boom
hook
hook
separate
order of ratchet style
screw-jack.
boom
hook
hook
Positions A, B and D require
Series
571position
and 572
–Reach
Height
Reach
series Boom
reachand
height
Series
Hook
Hook
Height
screw-jack.
36
24
series Position
position1
reach
height
separate order of ratchet style
boomA
hookin
hookin
24
571
87.88
56.00
1(in)
screw-jack.
(mm)
(in)
(mm)
571
87.88
in
56.00
in
series
positionA
reachin
heightin
B11
81.25
90.00
24
12
B
81.25
90.00 in
571 571
A1 C (fixed)
2232.1
74.56inin
in 56.00 102.00
12
A1 87.88
87.88
56.001422.4
inin
C (fixed)
74.56 in
in
102.00
in
1
62.25
118.00
in
2063.7
90.00
2286
B1
BD1 81.25
81.25
in
90.00
in
12
D11
62.25 in
118.00 in
C (fixed)A74.56
74.56 inin 102.00102.00
inin
572
106.75
64.00
C (fixed)
1893.8
2590.8
12
24
36
48
60
72
84
96
108 120 in
11
572
106.75
64.00inin
1
DA
62.25
B62.25
95.50inin
in 118.00118.00
112.00
in
12
24
36
48
60
72
84
96
108 120 in
1
1581.1
2997.2
D1
B1
95.50
in
112.00 in
C
(fixed)
84.25
in
130.00
in
572
A
106.75 in
64.00 in
1 C (fixed)
12
24
36
48
60
72
84
96
108 120 in
84.25 in
in
130.00
in
1
2711.4
1625.6
572
A
75.00
140.00
Important:
BD1106.75
95.50
in 64.00112.00
inin
1
D95.50
75.00 in 112.00 140.00
in
IMPORTANT:
Important:
1
Dimensions are for reference only
2425.7
2844.8
B
C
(fixed)
84.25
in
130.00
in
Dimensions are for reference only and subject to change
is purchaser’s
responsibility.
and subject to change withoutBase
notice. installation Base
installation is purchaser’s
responsibility. Thern
1
Dimensions
are for D
reference
only
and in
subject
to
change
Base
installation
is purchaser’s
responsibility.
Thern
75.00
140.00
in
Important:
C (fixed)
84.25
2139.9
130.00
3302
without notice.
recommends
consulting
a civil
engineer
or other
Thern recommends
consulting
a civil engineer
or
1
without
notice.
1
Boom position requires purchasing
recommends
consulting
a
civil
engineer
or
other
1
Boom
position
requires
purchasing
the
screw-jack
option.
other
qualified
professional.
Dimensions
reference
only 1905
and subject
to change
qualified
professional.
Base
installation
is purchaser’s responsibility. Thern
Dare for
75.00purchasing
140.00
3556
1
the screw-jack option.
Boom position
requires
the screw-jack
option.
qualified professional.
without notice.
recommends
consulting a civil engineer or other
1
BoomFF10-0910
position requires purchasing the screw-jack
option.
qualified
Form
Thern products
are not for lifting people or things
overprofessional.
people.
77
12
24
36
60
72 84 in
Series
571
572
–48Height
and Reach
Hook
Reach
and
Height
Form FF10-0910
Thern products are not for lifting people or things over people.
77
WIRE ROPE ASSEMBLIES – sold separately
„ Galvanized or Stainless Steel wire rope assemblies.
Wire Rope Assemblies
WIRE ROPE ASSEMBLIES
- soldapprox.
separately
model
wire rope
number
■ Galvanized
Important:
PERFORMANCE
It is the owner's or operator's responsibility to
determine the suitability of the equipment to
its intended use. Study all applicable codes,
manuals, and regulations. Be sure to read the
IMPORTANT:
Owner's Manual supplied with the equipment
It is the owner or operator’s responsibility to determine the suitability of the
before
it. all applicable codes, manuals and
equipment
to its operating
intended use. Study
x length
weight
ordiameter
Stainless
Steel wireship
rope
assemblies.
galvanized aircraft cable with swivel hook and swaged ball fitting
regulations. Be sure to read the Owner’s Manual supplied with the equipment
before operating it.
Wire Rope Assemblies
WA25-28NS
1/4 in x 28 ft
5 lb
Wire
Rope
WA25-36NS
1/4
in
x
36
ft
6Approx.
lb
Model Number
Ship
WA25-45NS
1/4 Diameter
in x 45 ftx Length
7 lbWeight
(lb)9 lb
(kg)
WA25-60NS
1/4 in x 60 ft
WA25-75NS
x 75
Galvanized aircraft cable with 1/4
swivelinhook
andftswaged ball fitting. 10 lb
WA25-28NSsteel wire rope with1/4
x 28 fthook and swaged
5
2.3
304 stainless
SSin eye
ball
in x 36 contact
ft
6
2.7
fitting WA25-36NS
- swivel hook also available1/4
please
factory
WA25-45NS
7 5 lb
WS25-28NE
1/4 in x1/4
28inftx 45 ft
WA25-60NS
9 6 lb
WS25-36NE
1/4 in x1/4
36inftx 60 ft
WA25-75NS
117 lb
WS25-45NE
1/4 in x1/4
45inftx 75 ft
WS25-60NE
in eye
x 60
304 Stainless steel wire rope 1/4
with SS
hookft and swaged ball fitting.8 lb
WS25-75NE
1/4 call
in xfactory.
75 ft
10 lb
Swivel hook also available. Please
WS25-28NS
1/4 inhook
x 28 ftand unfinished
5
galvanized
aircraft cable with swivel
end
Positions A, B and D require
separate order of ratchet style
screw-jack.
B
Thern
Distributorfor
for firm,
fixed price571M2
and delivery.
wire Please contact factory or nearest
load
rating
571M1,
and 571E2
rope wire rope position A position B position C position D
dia. Captain
length 1500 Performance Characteristics
1/4 in
28 ft
1200 lb
1350 lbLoad Ratings
1500 lb for 1500 lb
Wire Rope
571M1,
1/4 in
36
ft
1200 lb
1350
lb 571M2
1500and
lb 571E2
1500 lb
1/4 in
45 ft
1200 lb
1350 lb
1400 lb
1400 lb
Dia.
Length
Pos A
Pos B
Pos C
Pos D
1/4 in
60 ft
1200 lb
1300 lb
1300 lb
1300 lb
(in)
(mm)
(ft)
(m)
(lb)
(kg)
(lb)
(kg)
(lb)
(kg)
(lb)
1/4 in
75 ft
–
–
–
– (kg)
2
A
lift below
floor level
position A
6.35 45 13.71 1200 544 1350 612 1400 635
6.35 60 18.28 1200 544 1300 589 1300 589
572
6.35 Performance
75 22.86 —
— Characteristics
—
—
—
—
1400
1300
—
635
589
—
1200
1200
1200
544
544
544
1
Captain 2200 Performance Characteristics
5/16 in 28 ft
1700 lb
2000 lb
2200 lb
2200 lb
5/16 in 36
ft Rope 1700 lb
2000 lbLoad Ratings
2200 lb for 2200
lb
Wire
1
572M1,
5/16 in 45 ft
1700 lb
2000
lb 572E2
2200and
lb 572E5
2200 lb
5/16 in Dia.
60 ft
1700 lb Pos A
2000 lbPos B 2200 Pos
lb C 2200
lb D
Length
Pos
5/16 in(in) 75
ft
1700
lb
2000
lb
2200
lb
2200
lb
(mm) (ft) (m) (lb) (kg) (lb) (kg) (lb) (kg) (lb) (kg)
2
1350
1350
1300
612
612
589
1500
1400
1300
680
635
589
1500
1400
1300
1
2
7.93
7.93
7.93
45 13.71 1700
60 18.28 1700
75 22.86 1700
771
771
771
2000
2000
2000
907
907
907
2200
2200
2200
997
997
997
2200
2200
2200
997
997
997
680
635
589
4
12
21
36
51
1.21
3.65
6.40
10.97
15.54
load rating for 572E3 1
position B position C position D
9 2.74
17 5.18
26 7.92
41 12.49
56 17.06
lift below
floor level
(min – max) 2
1700 lb
1700 lb
1700 lb
1700 lb
-1 – 5 ft
1700 lb Load Ratings
1700 lb for 572E3
1700 1lb
1700 Lift
lb Below
7 –2Floor
13 ft
1500 lb
1500 lb
1500 lb
1500 lb Level
16 – 22 ft
1300
1300
lb Pos D1300 lbMin 31 Max
– 37 ft
Pos Alb
Pos
B lb Pos 1300
C
1300
lb
1300
lb
1300
lb
1300
lb
46
–
52 ft
(lb) (kg) (lb) (kg) (lb) (kg) (lb) (kg) (ft) (m) (ft) (m)
Add 5/16
3 ft to7.93
lift below
Model
572E3
572E5.
28 floor
8.53 level
1700 for771
2000
907 and
2200
997 2200 997 1700 771 1700 771 1700 771 1700
Lift below
floor level
varies1700
depending
on boom
and winch
longer771
lifts contact
factory.
5/16 7.93
36 10.97
771 2000
907 position
2200 997
2200 configuration.
997 1700 771For1700
1700 771
1700
5/16
5/16
5/16
lift below
floor level
(min – max) 2
1200 lb
1350 lb
1500 1lb
1500 Lift
lb Below4 Floor
– 9 ft
1200 lbLoad Ratings
1350 lb for 571E4
1500 lb
1500 lb Level
12 2– 17 ft
1200 lb
1350 lb
1500 lb
1500 lb
21 – 26 ft
Pos A
Pos B
Pos C
Pos D
Min
Max
1200 lb
1350 lb
1400 lb
1400 lb
36 – 41 ft
(lb)
(kg)
(lb)
(kg)
(lb)
(kg)
(lb)
(kg)
(ft)
(m)
(ft)
(m)ft
1200 lb
1300 lb
1300 lb
1300 lb
51 – 56
for Model
571E4. for 572M1 and 572E5 1
wire 2 Add 2 feet to lift below floor levelload
rating
Lift below floor level varies depending on boom position and winch configuration. For longer lifts, contact factory.
rope wire rope position A position B position C position D
position A
dia.
length
1
load rating for 571E4 1
position B position C position D
28 8.53 1200 544 1350 612 1500 680 1500 680 1200 544 1350 612 1500 680 1500 680
Add 1/4
2 ft to6.35
lift below
floor level for Model 571E4.
1/4
6.35
36
544 1350
612 position
1500 680
1500 configuration.
680 1200 544For1350
1500 680
1500 680
Lift below floor level 10.97
varies1200
depending
on boom
and winch
longer612
lifts contact
factory.
1/4
1/4
Series
1/4
C
3.2
4.1
5.0
2.3
WS25-36NS
1/4
in
x
36
ft
6
2.7
WA31-28DS
5/16 in x 28 ft
7 lb
WS25-45NS
in xft45 ft
7 9 lb
3.2
WA31-36DS
5/16 in 1/4
x 36
WS25-60NS
in xft60 ft
810 lb
3.6
WA31-45DS
5/16 in 1/4
x 45
WA31-60DS
5/16 in 1/4
x 60
WS25-75NS
in xft75 ft
1113 lb
5.0
WA31-75DS
x and
75 unfinished
ft
15 lb
Galvanized aircraft cable with 5/16
swivel in
hook
end.
304 stainless
SSineye
and unfinished
end WA31-28DSsteel wire rope with5/16
x 28 hook
ft
7
3.2
swivelWA31-36DS
hook also available please5/16
contact
in x 36 factory
ft
8
3.6
WA31-45DS
107 lb
4.5
WS31-28DE
5/16 in 5/16
x 28in xft 45 ft
WS31-36DE
5/16 in 5/16
x 36in xft 60 ft
WA31-60DS
129 lb
5.4
WS31-45DE
5/16 in 5/16
x 45in xft 75 ft
WA31-75DS
1511 lb
6.8
WS31-60DE
60 ftand unfinished end. 14 lb
304 Stainless steel wire rope 5/16
with SSineyex hook
WS31-75DE
5/16callinfactory.
x 75 ft
17 lb
Swivel hook also available. Please
Please
contact
factory
or
nearest
Thern
Distributor
for
WS31-28DS
5/16 in x 28 ft
7 firm fixed
3.2price and
delivery.
WS31-36DS
5/16 in x 36 ft
9
4.1
WS31-45DS
5/16 in x 45 ft
11
5.0
WS31-60DS
5/16 in x 60 ft
14
6.4
Series
571 Performance
WS31-75DS
5/16 Characteristics
in x 75 ft
17
7.7
1
D
1500
1300
1300
Add 3 feet to lift below floor level for Model 572E2, 572E3 and 572E5.
Lift below floor level varies depending on boom position and winch configuration. For longer lifts, contact factory.
680
589
589
1500
1300
1300
680
589
589
1500
1300
1300
680
589
589
1500
1300
1300
771
771
680
589
589
<1 < 0.30
7 2.13
16 4.87
31 9.44
46 14.02
5
13
22
37
52
1.52
3.96
6.70
11.27
15.84
CPCS-0416