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Commander Series

Thern Portable Cranes

Commander series Portable Cranes from Thern

  Models

Commander 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 E4
ft m ft m in mm ft m          
3 0.9 9 2.7 3/16 4.8 20 6.0 x x x
11 3.3 17 5.1 3/16 4.8 28 8.5 x x x
19 5.7 25 7.6 3/16 4.8 36 10.9 x x x
28 8.5 34 10.3 3/16 4.8 45 13.7 x x x
43 13.1 49 14.9 3/16 4.8 60 18.2 x x x
58 17.6 64 19.5 3/16 4.8 75 22.8 x x x
73 22.2 79 24.0 3/16 4.8 90 27.4 x

1 Based on pedestal base. Lift below floor level varies depending on boom position and base configuration. For long 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 E4
ft m ft m in mm ft m          
2 0.6 9 2.7 1/4 6.4 20 6.0 x x x x x
10 3.0 17 5.1 1/4 6.4 28 8.5 x x x x x
18 5.4 25 7.6 1/4 6.4 36 10.9 x x x x x
27 8.2 34 10.3 1/4 6.4 45 13.7 x x x x x
42 12.8 49 14.9 1/4 6.4 60 18.2 x x x x x
57 17.3 64 19.5 1/4 6.4 75 22.8 x x x

1 Based on pedestal base. Lift below floor level varies depending on boom position and base configuration. For long 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 - CCCC

Model Number Sample (actual model number!): 5PT10G-M2
Product: Model 5PT10 portable davit crane with galvanized finish and 4WM2-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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AAAAA - Crane Model
Model Description Approx. Ship Weight
5PT10* Up to 1200 lb capacity - portable davit crane 122 lbs (56 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
(add 12 lbs (6 kg) to shipping weight)

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CCCC - Winch Options
Winch Description Approx. Ship Weight
M1 M4312PB-K - zinc-plated spur gear hand winch 27 lbs (13 kg)
M23 4WM2-K - worm gear hand winch 41 lbs (19 kg)
M3 M4312PBSS-K - stainless steel spur gear hand winch 27 lbs (13 kg)
E24 4WP2-K electric winch - 115/1/60 VAC
with 6 ft pendant control
83 lbs (38 kg)
E44 4777-K electric winch - 115/1/60 VAC
with 6 ft pendant control
106 lbs (49 kg)
E4DC4 4777DC-K electric winch - 12 volt DC
with 10 ft pendant control
124 lbs (57 kg)

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


Commander 2000

Models of the Commander Series of Cranes from Thern

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Crane Model Image # Crane Finish Winch Application Description
5PT20 1 Powder Coat M4312PB-K – Zink plated spur gear hand winch The configuration is ideal for short and medium distance lifts for general indoor and outdoor use across all industries.
5PT20 2 Galvanized M4312PB-K – Zink plated spur gear hand winch This configuration is ideal for short and medium distance lifts for marine and roof-top applications or extended outdoor exposure.
5PT20 3 Powder Coat 4WM2-K – Red, worm gear hand winch Ideal for long distance lifts indoors or out. For faster operation and user convenience, the winch supports drill-drive with a power drill of up to 400 rpm.
5PT20 4 304 Stainless Steel M4312PBSS-K Stainless steel spur gear hand winch Ideal for short and medium distance lifts in harsh operating environments. Has been the crane of choice in water/wastewater treatment industry.
5PT20 5 Powder Coat 4WP2-K Electric winch with 6′ pendant control Ideal for frequent medium and long-distance lifts when power operation is preferred. Requires on-site power source. Is a great choice for permanent installations.

Specifications of Commander Series Cranes

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.


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Commander 2000 5PT20 Lift Below Floor Level2
Lift Below Floor Level1 Wire Rope Diameter Wire Rope Length3 Winch Configurations
Min Pos B4 Max Pos A1 M1 M2 M3 E2 E4
(ft) (m) (ft) (m) (in) (mm) (ft) (m)
0 0.0 5 1.5 3/16 5 20 6.0
8 2.4 13 3.9 3/16 5 28 8.5
16 4.8 21 6.4 3/16 5 36 10.9
25 7.6 30 9.1 3/16 5 45 13.7
40 12.1 45 13.7 3/16 5 60 18.2
55 16.7 60 18.2 3/16 5 75 22.8
70 21.3 75 22.8 3/16 5 90 27.4
0 0.0 5 1.5 1/4 6 20 6.0
8 2.4 13 3.9 1/4 6 28 8.5
16 4.8 21 6.4 1/4 6 36 10.9
25 7.6 30 9.1 1/4 6 45 13.7
40 12.1 45 13.7 1/4 6 60 18.2
55 16.7 60 18.2 1/4 6 75 22.8
For long lifts up to 350 feet (106.6 m), please contact the factory.
0 0.0 5 1.5 5/16 8 20 6.0
8 2.4 13 3.9 5/16 8 28 8.5
16 4.8 21 6.4 5/16 8 36 10.9
25 7.6 30 9.1 5/16 8 45 13.7
40 12.1 45 13.7 5/16 8 60 18.2
1 Lift below floor level varies depending on boom position and base configuration. For longer lifts, please contact factory.
2 Performance Characteristics are for standard products referred to in the owner’s manual. Non-standard products may vary from the original design. Contact Thern, Inc. for this information.
3 Wire rope assemblies include a hood and swaged ball fitting to work with quick-disconnect anchor on winches. 316SS wire rope is also available. Please contact the factory.



Specifications of Commander Series Cranes

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5PT20 – Commander 2000 Performance Ratings
Load Rating Pedestal Base
Boom Position 1st Layer Mid-Drum Full Drum Hook Reach Hook Height
A/B Range (lb) (kg) (lb) (kg) (lb) (kg) (in) (mm) (in) (mm)
A-1 2000 907 1500 680 1200 544 46 1168 43 1092
A-2 1600 725 1500 680 1200 544 58 1473 43 1092
A-3 1300 589 1300 589 1200 544 70 1778 43 1092
A-4 1100 498 1100 498 1100 498 82 2082 43 1092
B-1 2000 907 1500 680 1200 544 28 711 71 1803
B-2 1900 861 1500 680 1200 544 36 914 80 2032
B-3 1500 680 1500 680 1200 544 45 1143 88 2235
B-4 1300 589 1300 589 1200 544 53 1346 97 2463
Dimensions are for reference only and subject to change without notice.

  Features

Thern's largest fully portable crane, capable of handling larger loads with an adjustable boom for a full range of height and reach options, with only a 6" concrete floor required.

Commander 1000 Features

Features

  • Crane Model
  • Crane Rotates 360° on a pin and sleeve bearing in the base. Handle on the mast makes rotation easy.
  • Adjustable Boom telescopes to 4 different lengths and adjusts in height while under load with ratchet style screw-jack.
  • Crane Breaks Down for storage and transport.
  • 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 or Wall mount styles available to meet a variety of configuration needs.
  • Wheel Base for floor crane operation. Base legs adjust in length and width. See Model 5BR10.
  • Wire Rope Assemblies
  • Sold Separately
  • Galvanized or Stainless Steel wire rope assemblies with swaged ball fitting to work with the quick disconnect anchor on the winch. 316 stainless also available; please contact your mdi sales representative.

Accessories

  • Base Extension
  • Picture of a base extension accessory for Commander portable davit cranes from Thern.
  • Use with flush or wall mount bases to maintain crane height for obstacle clearance. Adds 15". Sold Separately.
  • 5BE10-15 33 lbs (15 kg)
  • 5BE10-15G 33 lbs (15 kg)
  • 5BE10-15S 33 lbs (15 kg)
  • Roller/Ball Bearing
  • With Lock
  • Picture of a roller/ball bearing with lock accessory for Commander portable davit cranes from Thern.
  • For smooth, easy 360° rotation under load. Red powder coat finish.
  • 5PT10BRG 9 lbs (4.1 kg)
  • 5PT10BRG-S 9 lbs (4.1 kg)
  • Base Anchor Kits
  • (Hilti®) 2.3 lbs (1.0 kg)
  • Picture of a base anchor kit accessory for Commander portable davit cranes from Thern.
  • AN62A-6 - Zinc-plated steel
  • AN62A-6S - 304 Stainless steel
  • Cable Spool
  • Picture of a cable spool accessory for Commander portable davit cranes from Thern.
  • 316 Stainless steel reel winds up wire rope when detached from crane.
  • RW50 12 lbs (5.5 kg)

  • Wire Rope Keeper
  • Picture of a wire rope keeper accessory for Commander portable davit cranes from Thern.
  • Stainless Steel bracket attaches to base or other structure to hold free end of wire rope when detached from crane.
  • RK19-25S
  • Drill Drive Kit
  • Picture of a drill drive kit accessory for Commander portable davit cranes from Thern.
  • 11.5 amp, 300 rpm, 120 VAC drill and hex socket. Only available with the M2 winch option.
  • ED300-DW11 12 lbs (5.5 kg)
  • Headache Ball
  • Picture of headache ball accessories for Commander portable davit cranes from Thern.
  • HB10-12-25 Fits 1/8" - 1/4" wire rope, Painted steel, 10 lbs (4.5 kg)
  • HB10-25-38 Fits 1/4" - 3/8" wire rope, Painted steel, 10 lbs (4.5 kg)
  • HB10S-12-25 Fits 1/8" - 1/4" wire rope, 304 Stainless steel, 10 lbs (4.5 kg)
  • HB10S-25-38 Fits 1/4" - 3/8" wire rope, 304 Stainless steel, 10 lbs (4.5 kg)

Commander 2000 Features

Features

  • Crane Model
  • Crane Rotates 360° on a pin and sleeve bearing in the base. Handle on the mast makes rotation easy.
  • Adjustable Boom telescopes to 4 different lengths and adjusts in height while under load with ratchet style screw-jack.
  • Crane Breaks Down for storage and transport.
  • 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 or Wall mount styles available to meet a variety of configuration needs.
  • Wheel Base for floor crane operation. Base legs adjust in length and width. See Model 5BR20.
  • Wire Rope Assemblies
  • Sold Separately
  • Galvanized or Stainless Steel wire rope assemblies with swaged ball fitting to work with the quick disconnect anchor on the winch. 316 stainless also available; please contact your mdi sales representative.

Accessories

  • Base Extension
  • Picture of a base extension accessory for Commander portable davit cranes from Thern.
  • Use with flush or wall mount bases to maintain crane height for obstacle clearance. Adds 15". Sold Separately.
  • 5BE20-15 53 lbs (25 kg)
  • 5BE20-15G 53 lbs (25 kg)
  • 5BE20-15S 53 lbs (25 kg)
  • Roller/Ball Bearing
  • With Lock
  • Picture of a roller/ball bearing with lock accessory for Commander portable davit cranes from Thern.
  • For smooth, easy 360° rotation under load. Red powder coat finish.
  • 5PT20BRG 11 lbs (5.0 kg)
  • 5PT20BRG-S 11 lbs (5.0 kg)
  • Base Anchor Kits
  • (Hilti®) 2.3 lbs (1.0 kg)
  • Picture of a base anchor kit accessory for Commander portable davit cranes from Thern.
  • AN62A-6 - Zinc-plated steel
  • AN62A-6S - 304 Stainless steel
  • Cable Spool
  • Picture of a cable spool accessory for Commander portable davit cranes from Thern.
  • 316 Stainless steel reel winds up wire rope when detached from crane.
  • RW50 12 lbs (5.5 kg)

  • Wire Rope Keeper
  • Picture of a wire rope keeper accessory for Commander portable davit cranes from Thern.
  • Stainless Steel bracket attaches to base or other structure to hold free end of wire rope when detached from crane.
  • RK19-25S
  • Drill Drive Kit
  • Picture of a drill drive kit accessory for Commander portable davit cranes from Thern.
  • 11.5 amp, 300 rpm, 120 VAC drill and hex socket. Only available with the M2 winch option.
  • ED300-DW11 12 lbs (5.5 kg)
  • Headache Ball
  • Picture of headache ball accessories for Commander portable davit cranes from Thern.
  • HB10-12-25 Fits 1/8" - 1/4" wire rope, Painted steel, 10 lbs (4.5 kg)
  • HB10-25-38 Fits 1/4" - 3/8" wire rope, Painted steel, 10 lbs (4.5 kg)
  • HB10S-12-25 Fits 1/8" - 1/4" wire rope, 304 Stainless steel, 10 lbs (4.5 kg)
  • HB10S-25-38 Fits 1/4" - 3/8" wire rope, 304 Stainless steel, 10 lbs (4.5 kg)

  Dimensions

Commander 1000 Dimensions

Models with Pedestal Base

Dimensions for Commander Series Cranes with Pedestal Base

Dimensions for Commander Series Cranes with Pedestal Base

Dimensions for Commander Series Cranes with Pedestal Base

Models with Flush or Wall Mount Base

Dimensions for Commander Series Cranes with Flush or Wall Mount Base

Dimensions for Commander Series Cranes with Flush or Wall Mount Base

Dimensions for Commander Series Cranes with Flush or Wall Mount Base

Models with Wheel Base

Dimensions for Commander Series Cranes with Wheel Base

Dimensions for Commander Series Cranes with Wheel Base

Dimensions for Commander Series Cranes with Wheel Base

Commander 2000 Dimensions

Models with Pedestal Base

Dimensions for Commander Series Cranes with Pedestal Base

Dimensions for Commander Series Cranes with Pedestal Base

Models with Flush or Wall Mount Base

Dimensions for Commander Series Cranes with Flush or Wall Mount Base

Dimensions for Commander Series Cranes with Flush or Wall Mount Base

Dimensions for Commander Series Cranes with Flush or Wall Mount Base

Models with Wheel Base

Dimensions for Commander Series Cranes with Wheel Base

Dimensions for Commander Series Cranes with Wheel Base

Dimensions for Commander Series Cranes with Wheel Base

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