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Ensign Series

Thern Portable Cranes

Ensign Series Cranes from Thern

  Models

Specifications for Ensign Series Cranes from Thern

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 Owner's Manual supplied with the equipment before operating it.


Ensign 500

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Lift Below Floor Level with 3/16" Wire Rope2
Lift Below
Floor1
Wire Rope
Dia.
Wire Rope
Length
Winch
Configurations
Min. (B4) Max. (A1)   M1 M2 M3 E2
ft m ft m in mm ft m        
0 0 5 1.5 3/16 4.8 20 6.0 x x
8 2.4 13 3.9 3/16 4.8 28 8.5 x x
16 4.8 21 6.4 3/16 4.8 36 10.9 x x
25 7.6 30 9.1 3/16 4.8 45 13.7 x x
40 12.1 45 13.7 3/16 4.8 60 18.2 x
55 16.7 60 18.2 3/16 4.8 75 22.8 x

1 Based on pedestal base. Lift below floor level varies depending on boom position and base configuration. For longer lifts, please contact your mdi sales representative.
2 Performance characteristics are for standard products. Non-standard products may vary from the original design.


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Lift Below Floor Level with 1/4" Wire Rope2
Lift Below
Floor1
Wire Rope
Dia.
Wire Rope
Length
Winch
Configurations
Min. (B4) Max. (A1)   M1 M2 M3 E2
ft m ft m in mm ft m        
0 0 5 1.5 1/4 6.4 20 6.0 x x x
8 2.4 13 3.9 1/4 6.4 28 8.5 x x x
16 4.8 21 6.4 1/4 6.4 36 10.9 x x x
25 7.6 30 9.1 1/4 6.4 45 13.7 x x x

1 Based on pedestal base. Lift below floor level varies depending on boom position and base configuration. For longer lifts, please contact your mdi sales representative.
2 Performance characteristics are for standard products. Non-standard products may vary from the original design.


Model Number Structure (NOT an actual model number!): AAAA B - CC

Model Number Sample (actual model number!): 5PA5G-M2
Product: Ensign 500 portable davit crane with galvanized finish and 4WM2V-K worm gear hand winch.

Instructions: Replace the lettered portions of the Model Number Structure to match the desired specifications of your product, as listed below:


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AAAA - Crane Model
Model Description Approx. Ship Weight
5PA5 Up to 500 lb capacity - portable davit crane 67 lbs (31 kg)

Base Model includes corrosion resistant electrostatic powder coated finish. Other finishes available. See table below.


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B - Optional Finish (crane only)
Finish Description
G Galvanized finish
S Stainless steel construction

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CC - Winch Options
Winch Description Approx. Ship Weight
M1 M4022PB-K - zinc-plated spur gear hand winch 16 lbs (8 kg)
M2* 4WM2V-K - worm gear hand winch 41 lbs (19 kg)
M3 M4042PBSS-K - stainless steel spur gear hand winch 23 lbs (11 kg)
E2** 4WP2V-K electric winch - 115/1/60 VAC
with 6 ft pendant control
83 lbs (38 kg)

* Winch finish is powder coated. For epoxy finish, contact your mdi sales representative.
** Winch finish is enamel. For epoxy finish, contact your mdi sales representative.


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Performance Ratings with Pedestal Base*
Boom Position Load Rating Hook Reach Hook Height
  lb kg in mm in mm
A-1 500 227 17 431 74 1879
A-2 400 181 22 558 79 2006
A-3 300 136 28 711 87 2209
A-4 250 113 36 914 96 2438
B-1 500 227 14 355 76 1930
B-2 400 181 17 431 83 2108
B-3 300 136 22 558 91 2311
B-4 250 113 28 711 101 2565

* Performance characteristics are for standard products. Non-standard products may vary from the original design.


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Performance Ratings with Flush or Wall Mount Bases*
Boom Position Load Rating Hook Reach Hook Height
  lb kg in mm in mm
A-1 500 227 17 431 60 1524
A-2 400 181 22 558 65 1651
A-3 300 136 28 711 73 1854
A-4 250 113 36 914 82 2082
B-1 500 227 14 355 62 1574
B-2 400 181 17 431 69 1752
B-3 300 136 22 558 77 1955
B-4 250 113 28 711 87 2209

* Performance characteristics are for standard products. Non-standard products may vary from the original design.


Ensign 1000

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Lift Below Floor Level with 3/16" Wire Rope2
Lift Below
Floor1
Wire Rope
Dia.
Wire Rope
Length
Winch
Configurations
Min. (B4) Max. (A1)   M1 M2 M3 E2
ft m ft m in mm ft m        
5 1.5 9 2.7 3/16 4.8 28 8.5 x x
13 3.9 17 5.1 3/16 4.8 36 10.9 x x
22 6.7 26 7.9 3/16 4.8 45 13.7 x x
37 11.2 41 12.4 3/16 4.8 60 18.2 x x
52 15.8 56 17.0 3/16 4.8 75 22.8 x x
67 20.4 71 21.6 3/16 4.8 90 27.4 x x

1 Based on pedestal base. Lift below floor level varies depending on boom position and base configuration. For longer lifts, please contact your mdi sales representative.
2 Performance characteristics are for standard products. Non-standard products may vary from the original design.


Drag your finger across the table to scroll

Lift Below Floor Level with 1/4" Wire Rope2
Lift Below
Floor1
Wire Rope
Dia.
Wire Rope
Length
Winch
Configurations
Min. (B4) Max. (A1)   M1 M2 M3 E2
ft m ft m in mm ft m        
4 1.2 9 2.7 1/4 6.4 28 8.5 x x x x
12 3.6 17 5.1 1/4 6.4 36 10.9 x x x x
21 6.4 26 7.9 1/4 6.4 45 13.7 x x x x
36 10.9 41 12.4 1/4 6.4 60 18.2 x x x
51 15.5 56 17.0 1/4 6.4 75 22.8

1 Based on pedestal base. Lift below floor level varies depending on boom position and base configuration. For longer lifts, please contact your mdi sales representative.
2 Performance characteristics are for standard products. Non-standard products may vary from the original design.


Model Number Structure (NOT an actual model number!): AAAAA B - CC

Model Number Sample (actual model number!): 5PA10G-M2
Product: Ensign 1000 portable davit crane with galvanized finish and 4WM2V-K worm gear hand winch.

Instructions: Replace the lettered portions of the Model Number Structure to match the desired specifications of your product, as listed below:


Drag your finger across the table to scroll

AAAAA - Crane Model
Model Description Approx. Ship Weight
5PA10 Up to 1200 lb capacity - portable davit crane 143 lbs (65 kg)

Base Model includes corrosion resistant electrostatic powder coated finish. Other finishes available. See table below.


Drag your finger across the table to scroll

B - Optional Finish (crane only)
Finish Description
G Galvanized finish
S Stainless steel construction

Drag your finger across the table to scroll

CC - Winch Options
Winch Description Approx. Ship Weight
M1 M4022PB-K - zinc-plated spur gear hand winch 16 lbs (8 kg)
M2* 4WM2V-K - worm gear hand winch 41 lbs (19 kg)
M3 M4042PBSS-K - stainless steel spur gear hand winch 23 lbs (11 kg)
E2** 4WP2V-K electric winch - 115/1/60 VAC
with 6 ft pendant control
83 lbs (38 kg)

* Winch finish is powder coated. For epoxy finish, contact your mdi sales representative.
** Winch finish is enamel. For epoxy finish, contact your mdi sales representative.


Drag your finger across the table to scroll

Performance Ratings with Pedestal Base*
Boom Position Load Rating Hook Reach Hook Height
  lb kg in mm in mm
A-1 1200 544 26 660 93 2362
A-2 1000 453 32 812 98 2489
A-3 800 362 39 990 104 2641
A-4 650 294 48 1219 112 2844
B-1 1200 544 22 558 97 2463
B-2 1000 453 26 660 103 2616
B-3 800 362 32 812 110 2794
B-4 650 294 39 990 120 3048

* Performance characteristics are for standard products. Non-standard products may vary from the original design.


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Performance Ratings with Flush or Wall Mount Bases*
Boom Position Load Rating Hook Reach Hook Height
  lb kg in mm in mm
A-1 1200 544 26 660 79 2007
A-2 1000 453 32 812 84 2134
A-3 800 362 39 990 90 2286
A-4 650 294 48 1219 98 2489
B-1 1200 544 22 558 83 2108
B-2 1000 453 26 660 89 2261
B-3 800 362 32 812 96 2438
B-4 650 294 39 990 106 2692

* Performance characteristics are for standard products. Non-standard products may vary from the original design.


  Features

Longer mast and boom provide increased hook height, making the Ensign 500 an excellent choice for clearing tall objects, such as hand rails, or lifting tall loads.


Ensign 500 Features

Features

  • Crane Model
  • Crane Rotates 360° on a tapered roller bearing in the base. Handle on the mast makes rotation easy.
  • Adjustable Sheave Assembly easily adjusts without tools to 4 different positions.
  • Adjustable Boom Angle using boom brace with comfortable adjustment knob allows for easy, one-hand boom adjustment when not under load.
  • Optional Finishes
  • Galvanized Finish provides extra protection against corrosion.
  • Stainless Steel Models are constructed from all stainless steel with an electro-polished finish for superior corrosion resistance.
  • Winch Models
  • Hand Winch Operated Models include spur gear or worm gear hand winch with brake for load control. Model M2 winch can be drill-driven, 300 rpm max.
  • Power Winch Operated Models include electric winch with pendant control and brake. Other power options available; please contact your mdi sales representative.
  • Quick Disconnect Anchor for quickly attaching or removing wire rope equipped with a swaged ball fitting.

  • Independent Bases
  • Sold Separately
  • Pedestal, Socket (flush mount) or Wall Mount styles available for your specific configuration needs.
  • Wire Rope Assemblies
  • Sold Separately
  • Galvanized or Stainless Steel wire rope assemblies with swaged ball fittings to work with the quick disconnect anchor on the winch. 316 stainless also available; please contact your mdi sales representative.

Accessories

  • Base Anchor Kits
  • Photo of a base anchor kit accessory for Ensign portable davit cranes from Thern.
  • (Hilti®) 1.4 lbs (0.6 kg)
  • AN50A-5 - Zinc-plated steel
  • AN50A-5S - 304 Stainless steel
  • Cable Spool
  • Photo of a cable spool accessory for Ensign portable davit cranes from Thern.
  • Model no. RW50 - 316 Stainless steel reel winds up wire rope when detached from crane. 12 lbs (5.5 kg)
  • Wire Rope Keeper
  • Photo of a wire rope keeper accessory for Ensign portable davit cranes from Thern.
  • Model RK19-25S - Stainless steel bracket attaches to base or other structure to hold free end of the wire rope when detached from crane.

  • Drill Drive Kit
  • Photo of a drill drive kit accessory for Ensign portable davit cranes from Thern.
  • Model No. ED300-DW11 - 11.5 amp, 300 rpm, 120 VAC drill and hex socket. Only available with the M2 winch option. 12 lbs (5.5 kg)
  • Headache Balls
  • Photo of headache ball accessories for Ensign portable davit cranes from Thern.
  • HB10-12-25 - Painted steel, 10 lbs (4.5 kg)
  • HB10S-12-25 - 304 Stainless steel, 10 lbs (4.5 kg)

Ensign 1000 Features

Features

  • Crane Model
  • Crane Rotates 360° on a roller/ball bearing installed in the base. Handle on the mast makes rotation easy.
  • Adjustable Sheave Assembly easily adjusts without tools to 4 different positions.
  • Adjustable Boom Angle using boom brace with comfortable adjustment knob allows for easy, one-hand boom adjustment when not under load.
  • Optional Finishes
  • Galvanized Finish provides extra protection against corrosion.
  • Stainless Steel Models are constructed from all stainless steel with an electro-polished finish for superior corrosion resistance.
  • Winch Models
  • Hand Winch Operated Models include spur gear or worm gear hand winch with brake for load control. Model M2 winch can be drill-driven, 300 rpm max.
  • Power Winch Operated Models include electric winch with pendant control and brake. Other power options available; please contact your mdi sales representative.
  • Quick Disconnect Anchor for quickly attaching or removing wire rope equipped with a swaged ball fitting.

  • Independent Bases
  • Sold Separately
  • Pedestal, Socket (flush mount) or Wall Mount styles available for your specific configuration needs.
  • Wire Rope Assemblies
  • Sold Separately
  • Galvanized or Stainless Steel wire rope assemblies with swaged ball fittings to work with the quick disconnect anchor on the winch. 316 stainless also available; please contact your mdi sales representative.

Accessories

  • Base Anchor Kits
  • Photo of a base anchor kit accessory for Ensign portable davit cranes from Thern.
  • (Hilti®) 1.4 lbs (0.6 kg)
  • AN50A-5 - Zinc-plated steel
  • AN50A-5S - 304 Stainless steel
  • Cable Spool
  • Photo of a cable spool accessory for Ensign portable davit cranes from Thern.
  • Model no. RW50 - 316 Stainless steel reel winds up wire rope when detached from crane. 12 lbs (5.5 kg)
  • Wire Rope Keeper
  • Photo of a wire rope keeper accessory for Ensign portable davit cranes from Thern.
  • Model RK19-25S - Stainless steel bracket attaches to base or other structure to hold free end of the wire rope when detached from crane.

  • Drill Drive Kit
  • Photo of a drill drive kit accessory for Ensign portable davit cranes from Thern.
  • Model No. ED300-DW11 - 11.5 amp, 300 rpm, 120 VAC drill and hex socket. Only available with the M2 winch option. 12 lbs (5.5 kg)
  • Headache Balls
  • Photo of headache ball accessories for Ensign portable davit cranes from Thern.
  • HB10-12-25 - Painted steel, 10 lbs (4.5 kg)
  • HB10S-12-25 - 304 Stainless steel, 10 lbs (4.5 kg)

  Dimensions

Ensign 500 Dimensions

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Ensign 1000 Dimensions

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

Dimensions for Ensign Cranes from Thern

  Contact mdi

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