Thern 5FT40 Captain 4000 Stationary Davit Crane

Thern Captain 4000 Stationary Davit Crane — 5,500 lb Capacity with Telescoping Boom and 360° Rotation

The Thern Captain 4000 (5FT40 Series) Stationary Davit Crane is a heavy-duty, permanent-installation crane designed for extreme lifting demands up to 5,500 lbs (2,500 kg). Built for industrial, marine, oil & gas, wastewater, and construction environments, this crane features a telescoping boom, smooth 360-degree rotation under load, and an included ratchet screw jack for boom angle adjustment. The Captain 4000 offers exceptional reach, height, and lifting performance for heavy-duty, fixed-location applications.

Key Features:

• Load Capacity: Up to 5,500 lbs (2,500 kg), depending on boom position.
• Telescoping Boom: Adjustable length and angle for flexible lifting configurations.
• 360° rotation under load with tapered roller bearings and integral 12-position boom lock for secure and controlled movement.
• Hook Height: Up to 153" (3,886 mm), depending on boom position.
• Hook Reach: Up to 122" (3,099 mm), depending on boom position.
• Corrosion-resistant finishes: Red enamel or gray epoxy, with black defender-coated ratchet jack and stainless steel hardware for maximum durability.
• Heavy-duty steel construction designed to meet or exceed ASTM standards.
• Multiple winch options: Manual spur gear, worm gear, electric winches, and optional hydraulic boom adjustment packages.

Load Ratings by Boom Position (Using Pedestal Base, Color-Coded Capacity Ranges):

Blue Range — Extended Reach, Lighter Loads (A Positions)

• Position A-1: 4,800 lbs (2,180 kg), Reach: 77" (1,955 mm), Height: 68" (1,727 mm).
• Position A-2: 4,100 lbs (1,860 kg), Reach: 92" (2,337 mm), Height: 68" (1,727 mm).
• Position A-3: 3,500 lbs (1,590 kg), Reach: 107" (2,718 mm), Height: 68" (1,727 mm).
• Position A-4: 3,000 lbs (1,360 kg), Reach: 122" (3,099 mm), Height: 68" (1,727 mm).

Green Range — Mid-Range Reach and Load Capacity (B Positions)

• Position B-1: 5,500 lbs (2,500 kg), Reach: 69" (1,753 mm), Height: 102" (2,591 mm).
• Position B-2: 4,600 lbs (2,090 kg), Reach: 82" (2,083 mm), Height: 108" (2,743 mm).
• Position B-3: 4,000 lbs (1,810 kg), Reach: 96" (2,438 mm), Height: 115" (2,921 mm).
• Position B-4: 3,300 lbs (1,500 kg), Reach: 109" (2,768 mm), Height: 121" (3,073 mm).

Yellow Range — Shorter Reach, Heaviest Loads (C Positions)

• Position C-1: 5,500 lbs (2,500 kg), Reach: 55" (1,397 mm), Height: 122" (3,099 mm).
• Position C-2: 4,600 lbs (2,090 kg), Reach: 66" (1,677 mm), Height: 132" (3,353 mm).
• Position C-3: 4,100 lbs (1,860 kg), Reach: 77" (1,955 mm), Height: 143" (3,632 mm).
• Position C-4: 3,500 lbs (1,590 kg), Reach: 87" (2,209 mm), Height: 153" (3,886 mm).

Popular Models and Configurations:

• 5FT40-M1: Red enamel crane with M452B-K spur gear hand winch and black defender-coated ratchet jack — 1,101 lbs (500 kg).
• 5FT40-M2: Red enamel crane with 2W40V-BM-K worm gear hand winch and black defender-coated ratchet jack — 1,146 lbs (520 kg).
• 5FT40X-M2X: Gray epoxy crane with 2W40V-BMX-K worm gear hand winch and black defender-coated ratchet jack — 1,146 lbs (520 kg).
• 5FT40-E2: Red enamel crane with 3WG4B-K electric winch and black defender-coated ratchet jack — 1,216 lbs (550 kg).
• 5FT40X-E2X: Gray epoxy crane with 3WG4B-KX electric winch and black defender-coated ratchet jack — 1,216 lbs (550 kg).

Included and Optional Features:

• Pedestal base is included — stationary crane design (no separate base required).
• Ratchet screw jack included — for easy, precise boom angle adjustments under load. Hydraulic boom jack option available.
• Wire rope assemblies sold separately — available in galvanized or stainless steel, with quick-disconnect fittings and hooks.
• Winch options include manual, electric, and optional pneumatic/hydraulic by request.

Important Ordering Notes:

• Wire rope assemblies are required for operation and sold separately.
• Compatible with 3/8", 7/16", and 1/2" wire rope assemblies, available in various lengths and finishes.
• Crane and winch finishes (red enamel, gray epoxy, or safety yellow) can be specified to match site needs — contact us for custom matching.

Why Choose the Captain 4000 Stationary Davit Crane?

• Made in the USA — built to meet or exceed ASTM strength and safety standards.
• Massive capacity of up to 5,500 lbs (2,500 kg) for the heaviest lifts.
• Telescoping boom and ratchet screw jack for flexible height and reach adjustments.
• Corrosion-resistant finishes and stainless hardware for marine and industrial durability.
• Stationary design with pedestal base included for permanent, secure mounting.

Note: Contact us to configure your Captain 4000 crane with the right winch and wire rope assembly for your application.

Click here to download a PDF file for additional specifications.