Captain 1500 Hero

ISO 9001 LOGOCaptain 1500 — Model 571 crane with M4312PB-K spur gear hand winch and gusset style base


Designed for permanent installation and smooth rotation, the Captain 1500 provides extended height and reach, and still only requires a 6″ concrete floor for installation.

  • Load ratings up to 1500 lbs (680 kg)
  • Manual with Electric, Hydraulic or Pneumatic Operation
  • Rotates 360º
  • Quick-Disconnect Anchor
  • Available in 5 finishes
  • 2-Year Standard Warranty
  • 571
  • 572

Captain 1500 — Crane Configurations and Options

ModelDescriptionApprox. Ship Weight
571M1Up to 1500 lb — with M4312PB-K spur gear hand winch425193
571M2Up to 1500 lb — with 4WM2V-K worm gear hand winch450205
571E2Up to 1500 lb — with 4WP2-K electric winch — 115 VAC, 1 phase, 6-ft pendant control475216
571E4Up to 1500 lb — with 4777-K electric winch — 115 VAC, 1 phase, 6-ft pendant control489222
SJ1Ratchet style screw-jack for Series 571 (replaces standard boom brace)3717

Other configurations also available. Please contact BTS for firm fixed price and delivery.

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.

Manual or Power Operation
Thern davit cranes can be configured with a spur or worm gear manual winch or power winch. Choose from Thern’s 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. Worm gear hand winch configuration can be drill-driven.

Fixed Boom
Standard boom brace fixes boom at position C

Mast and Boom Rotate
A tapered roller bearing allows for smooth and easy 360° crane rotation under load. Mast locks in one of four positions with hand-tightened lock bolt. Rotational handle located on mast for easy rotation..

Corrosion Resistant Finish
Red enamel finish resists corrosion in harsh environments. Epoxy finish also available.

Two-Year Warranty
Industry-leading two-year limited warranty on all our products





IMPORTANT: 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.



Captain 1500 Model 571 Load Ratings

Lift Below Floor Level 1Wire RopeLoad Rating
Captain 1500 Series with M1, M2, E2
Load Rating
Captain 1500 Series with E4 2
MinimumMaximumDiameterLengthPosition APosition BPosition C-DPosition APosition BPosition C-D

1 Lift below floor level varies depending on boom position and base configuration. For longer lifts, please contact BTS.
2 Add 2 feet to lift below floor level for Model 571E4.

Headache Ball
Keeps cable taut when no load is attached. Attach to cable.

• HB10-12-25 – Red Enamel Steel, 1/8 to 1/4 inch wire rope.

• HB10-25-38 – Red Enamel Steel, 1/4 to 3/8 inch wire rope.

• HB10S-12-25 – 304 Stainless Steel, 1/8 to 1/4 inch wire rope.

• HB10S-25-38 – 304 Stainless Steel, 1/4 to 3/8 inch wire rope.

Approx. ship weight: 10 lb (4.5 kg).

Adjustable Boom Height
SJ1 – Boom adjusts in height while under load with optional ratchet style screw-jack. Standard red enamel finish. Also available in epoxy finish

Factory Load Test
Upon request, Thern can test your crane prior to shipping, up to 125% of rated load. Contact factory for pricing and availability prior to order.

Extended 5-Year Warranty
Extend our standard 2-year warranty to 5 years. Contact factory for pricing and availability prior to order.

PE Stamp – Professional Engineer Stamp
Available upon request at time of order. Contact factory for pricing and availability prior to order.

CE and ATEX certifications available.

Explosion Proof Classification
Special configurations for use in explosive settings available. Contact factory for pricing and availability prior to order.

Power Winch Operation
AC electric in any voltage. DC electric, hydraulic and pneumatic power winches available

Drill-Drivable Winch
A worm gear hand winch is also available for operation with a drill motor option.

Limit Switch
Add an emergency safety shut-off to ensure safe operation.

Customization is available for almost all Thern products and should always be performed by our engineers to assure the changes meet our stringent quality standards. Below are some of our more common customization requests. Only factory modifications are covered under warranty.

Longer Lift Distances
Customized winch and crane configurations to accommodate longer lifts.

Custom Colors & Finishes
Custom colors and finishes are available to match your unique application.

Extended Boom and Masts
Thern can extend mast heights and boom lengths to fit your needs.

Captain 1500 Dimensions

Project details