Commander Series 2000 Series portable davit cranes

models
at a glance
specifications
wire rope

5PT20 SERIES - Portable Davit Crane
Popular Configurations
5PT20-M1	5PT20 SERIES - Portable Davit Crane up to 2000 lb capacity with M4312PB-K spur gear hand winch - powder coat crane ** Weight = 241 lbs
5PT20G-M1	5PT20 SERIES - Portable Davit Crane up to 2000 lb capacity with M4312PB-K spur gear hand winch galvanized crane ** Weight = 241 lbs
5PT20-M2	5PT20 SERIES - Portable Davit Crane up to 2000 lb capacity with 4WM2-K worm gear hand winch - powder coat crane ** Weight = 255 lbs
5PT20G-M2	5PT20 SERIES - Portable Davit Crane up to 2000 lb capacity with 4WM2-K worm gear hand winch - galvanized crane ** Weight = 255 lbs
5PT20S-M3	5PT20 SERIES - Portable Davit Crane up to 2000 lb capacity with M4312PBSS-K spur gear hand winch ï¿½ stainless steel crane ** Weight = 241 lbs
5PT20-E2	5PT20 SERIES - Portable Davit Crane up to 2000 lb capacity with 4WP2-K electric winch - powder coat crane ** Weight = 298 lbs
5PT20 Series Crane Only
5PT20	5PT20 Series Crane Only up to 2000 lb capacity - base model - powder coat finish ** Weight = 213 lbs
5PT20G	5PT20 Series Crane Only up to 2000 lb capacity - base model - galvanized finish ** Weight = 213 lbs
5PT20S	5PT20 Series Crane Only up to 2000 lb capacity - base model - 304 stainless steel finish ** Weight = 213 lbs
5PT20S316	5PT20 Series Crane Only up to 2000 lb capacity - base model - 316 stainless steel finish ** Weight = 213 lbs
5PT20X	5PT20 Series Crane Only up to 2000 lb capacity - base model - gray epoxy finish ** Weight = 213 lbs
5PT20 Winch Options (sold separately)
M1-5PT20	M4312PB-K spur gear hand winch only zinc plated - 5PT20 Winch Options (sold separately) ** Weight = 28 lbs
M2-5PT20	4WM2-K worm gear hand winch only powder coat - 5PT20 Winch Options (sold separately) ** Weight = 42 lbs
M2X-5PT20	4WM2EGRA-K worm gear hand winch only - gray epoxy - 5PT20 Winch Options (sold separately) ** Weight = 42 lbs
M3-5PT20	M4312PBSS-K spur gear hand winch only stainless steel - 5PT20 Winch Options (sold separately) ** Weight = 28 lbs
E2-5PT20	4WP2-K electric winch 115/1/60 VAC with 6 ft pendant control enamel - 5PT20 Winch Options (sold separately) ** Weight = 85 lbs
E2X-5PT20	4WP2EGRA-K electric winch 115/1/60 VAC with 6 ft pendant control gray epoxy - 5PT20 Winch Options (sold separately) ** Weight = 85 lbs
E4-5PT20	4777-K electric winch 115/1/60 VAC with 6 ft pendant control enamel - 5PT20 Winch Options (sold separately) ** Weight = 110 lbs
E4X-5PT20	4777EGRA-K electric winch 115/1/60 VAC with 6 ft pendant control gray epoxy - 5PT20 Winch Options (sold separately) ** Weight = 110 lbs
E4DC-5PT20	4777DC-K electric winch 12 volt DC with 10 ft pendant control enamel - 5PT20 Winch Options (sold separately) ** Weight = 105 lbs
E4DCX-5PT20	4777DCEGRA-K electric winch ï¿½ 12 volt DC with 10 ft pendant control ï¿½ gray epoxy - 5PT20 Winch Options (sold separately) ** Weight = 105 lbs
5PT20 pedestal base
5BP20	5PT20 pedestal base - powder coat finish - upright mount (sold separately) ** Weight = 66 lbs
5BP20G	5PT20 pedestal base - galvanized finish - upright mount (sold separately) ** Weight = 66 lbs
5BP20S	5PT20 pedestal base - 304 stainless steel finish - upright mount (sold separately) ** Weight = 66 lbs
5BP20S316	5PT20 pedestal base - 316 stainless steel finish - upright mount (sold separately) ** Weight = 66 lbs
5BP20X	5PT20 pedestal base - gray epoxy finish - upright mount (sold separately) ** Weight = 66 lbs
5PT20 socket base
5BF20	5PT20 socket base - powder coat finish - flush mount (sold separately) ** Weight = 57 lbs
5BF20G	5PT20 socket base - galvanized finish - flush mount (sold separately) ** Weight = 57 lbs
5BF20S	5PT20 socket base - 304 stainless steel finish - flush mount (sold separately) ** Weight = 57 lbs
5BF20S316	5PT20 socket base - 316 stainless steel finish - flush mount (sold separately) ** Weight = 57 lbs
5BF20X	5PT20 socket base - gray epoxy finish - flush mount (sold separately) ** Weight = 57 lbs
5PT20 wall mount base
5BW20	5PT20 wall mount base - powder coat finish (sold separately) ** Weight = 64 lbs
5BW20G	5PT20 wall mount base - galvanized finish (sold separately) ** Weight = 64 lbs
5BW20S	5PT20 wall mount base - 304 stainless steel finish (sold separately) ** Weight = 64 lbs
5BW20S316	5PT20 wall mount base - 316 stainless steel finish (sold separately) ** Weight = 64 lbs
5BW20X	5PT20 wall mount base - gray epoxy finish (sold separately) ** Weight = 64 lbs
5PT20 wheel base
5BR20	5PT20 wheel base powder coat finish (sold separately) ** Weight = 351 lbs
5BR20X	5PT20 wheel base - gray epoxy finish (sold separately) ** Weight = 351 lbs
5BE20-15	5PT20 base extension - powder coat finish (sold separately) ** Weight = 53 lbs
5BE20-15G	5PT20 base extension - galvanized finish (sold separately) ** Weight = 53 lbs
5BE20-15S	5PT20 base extension - 304 stainless steel finish (sold separately) ** Weight = 53 lbs
5BE20-15S316	5PT20 base extension - 316 stainless steel finish (sold separately) ** Weight = 53 lbs
5BE20-15X	5PT20 base extension - gray epoxy finish (sold separately) ** Weight = 53 lbs
5PT20 Series Crane Accessories
5PT20LS-EL	5PT20 limit switch electric - see page 29 for limit switch ready winch options (sold separately) ** Weight = 5 lbs

Owners Manual
5PT20 Manual

Cut Sheet
5PT20 Cut Sheet

Thern Portable Davit Cranes

Lift up to 1 ton with one of these durable portable davit cranes. Thern davit cranes make any operation simple and affordable with trouble-free setup and breakdown for easy transport between multiple service sites. We offer a wide variety of options and accessories to meet your specific requirements.

How to build the Portable David Crane to meet your needs ?

1. What capacity do I need (How much weight am I going to lift) ?
2. How do I want to lift that load (Hand winch or power winch) ?
3. What Finish is required (Is this for Marine or perhaps a Corrosive environment) ?
4. How do I want to mount this (Wall or Flush Mount)
5. How much wire rope do I need (How high am I lifting the material) ?

5124 Davit Crane

Each portable davit crane is designed for simple, affordable operation with the following features:

Choose from spur gear hand winch, work gear hand winch or power winch operation
Adjustable boom telescopes to 4 different lengths
Height can be adjusted while under load with ratchet style screw-jack
Crane rotates 360 on Nylatron bearing sleeve in the base
Crane breaks down for easy storage or transport
Available in your choice of two finishes: electrostatic powder coating or galvanized stainless steel.
Base options include: pedestal, socket or wall mount style or wheel base for floor crane operation.

QUICK FACTS

Load ratings up to and beyond 2,000 lbs (907 kg)
Electric, Hydraulic or Pneumatic Operation
Rotates 360
Custom Controls
Quick-Disconnect Anchor
Available in 5 finishes
2-Year Standard Warranty

FEATURES:

Welded Steel Construction

Crane boom, mast and base fabricated from heavy duty welded constructed structural steel pipe and tubing that limits deflection and meets ASTM standards. Features a built-in 3:1 design factor that stands up to abuse.

Adjustable Height and Reach

Telescopes to 4 different lengths, and adjusts in height while under load with ratchet style screw-jack. Breaks down for storage or transport.screw.

Manual or Power Operation

Thern davit cranes can be configured with a spur or worm gear manual winches or power winch. Choose from Therns spur or worm gear hand winches or power winches with 115/1/60 as standard. Other voltages available as well as pneumatic, hydraulic or DC Volt power operation.
Corrosion Resistant Finish

Electrostatic powder coated crane and stainless steel fasteners combine to resist corrosion in harsh environments. Other options available include: galvanized, stainless steel and epoxy finishes.
Easy Assembly/Disassembly

Quick-release clevis style stainless steel pins allow for easy assembly and quick disassembly for transport or storage. No tools required.

Quick Disconnect Anchor

For quickly attaching or removing wire rope equipped with a swaged ball fitting. This allows the operator to leave the wire rope attached to the load at all times and simply remove the rope from the winch and attach to the optional wire rope keeper, cable reel or standard keyhole slot on pedestal and wall mount bases.
Sheave Clevis Pin

The sheave clevis pin is now D-Shaped to prevent the clevis pin from rotating when under light loads.
Mast Cap

A cap on top of the mast helps keep water and debris out of mast.
Rotation Handle

The new rotation handle position does not interfere with the operation of the boom angle adjustment ratchet jack.
360 Degrees Rotation

Nylatron bearing allows smooth and easy 360 Degrees crane rotation under load.

Variety of Bases (sold separately)

Pedestal, flush and wall mount bases allow for a variety of mounting solutions and are easily installed. Heavy-duty base cap included with lanyard keeps water and debris out of base when crane is removed. Standard powder coat finish on pedestal, flush and wall mounts. Other finish options available including galvanized, stainless steel and epoxy finishes.
Two-Year Warranty

Industry-leading two-year limited warranty on all our products.

IMPORTANT:

It is the ownerâs or operatorâs responsibility to determine the suitability of the equipment to its intended use. Study all applicable codes, manuals and regulations. Be sure to read the Ownerâs Manual supplied with the equipment before operating it.

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	â¢	â	â¢	â	â¢
8	2.4	13	3.9	3/16	5	28	8.5	â¢	â	â¢	â	â¢
16	4.8	21	6.4	3/16	5	36	10.9	â¢	â	â¢	â	â¢
25	7.6	30	9.1	3/16	5	45	13.7	â¢	â	â¢	â	â¢
40	12.1	45	13.7	3/16	5	60	18.2	â¢	â	â¢	â	â¢
55	16.7	60	18.2	3/16	5	75	22.8	â¢	â	â¢	â	â¢
70	21.3	75	22.8	3/16	5	90	27.4	â¢	â	â¢	â	â¢

0	0.0	5	1.5	1/4	6	20	6.0	â¢	â¢	â¢	â¢	â¢
8	2.4	13	3.9	1/4	6	28	8.5	â¢	â¢	â¢	â¢	â¢
16	4.8	21	6.4	1/4	6	36	10.9	â¢	â¢	â¢	â¢	â¢
25	7.6	30	9.1	1/4	6	45	13.7	â¢	â¢	â¢	â¢	â¢
40	12.1	45	13.7	1/4	6	60	18.2	â¢	â¢	â¢	â¢	â¢
55	16.7	60	18.2	1/4	6	75	22.8	â	â¢	â	â¢	â¢
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	â¢	â	â¢	â	â¢
8	2.4	13	3.9	5/16	8	28	8.5	â¢	â	â¢	â	â¢
16	4.8	21	6.4	5/16	8	36	10.9	â¢	â	â¢	â	â¢
25	7.6	30	9.1	5/16	8	45	13.7	â¢	â	â¢	â	â¢
40	12.1	45	13.7	5/16	8	60	18.2	â	â	â	â	â¢

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 ownerâs 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.

CMDR2000-range

5PT20 â 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.

Wire Rope Assemblies for the Thern 5124 Davit Crane
WA25-20NS	1/4 in x 20 ft galvanized aircraft cable with swivel hook and swaged ball fitting
WA25-28NS	1/4 in x 28 ft galvanized aircraft cable with swivel hook and swaged ball fitting
WA25-36NS	1/4 in x 36 ft galvanized aircraft cable with swivel hook and swaged ball fitting
WA25-45NS	1/4 in x 45 ft galvanized aircraft cable with swivel hook and swaged ball fitting
WA25-60NS	1/4 in x 60 ft galvanized aircraft cable with swivel hook and swaged ball fitting
WA25-75NS	1/4 in x 75 ft galvanized aircraft cable with swivel hook and swaged ball fitting
WA31-20DS	5/16 in x 20 ft galvanized aircraft cable with swivel hook and unfinished end
WA31-28DS	5/16 in x 28 ft galvanized aircraft cable with swivel hook and unfinished end
WA31-36DS	5/16 in x 36 ft galvanized aircraft cable with swivel hook and unfinished end
WA31-45DS	5/16 in x 45 ft galvanized aircraft cable with swivel hook and unfinished end
WA31-60DS	5/16 in x 60 ft galvanized aircraft cable with swivel hook and unfinished end
WA31-75DS	5/16 in x 75 ft galvanized aircraft cable with swivel hook and unfinished end

Commander Series 2000 Davit Crane

QUICK FACTS

IMPORTANT:

Commander 2000 5PT20 Lift Below Floor Level2

5PT20 â Commander 2000 Performance Ratings

Commander 2000 5PT20 Lift Below Floor Level²

5PT20 â Commander 2000 Performance Ratings