A combination set of two different-sized, black-coated boat tanks, displayed against a checkered background. The set consists of a large, long rectangular fuel tank in the background and a much smaller, compact water tank in the foreground. The large tank is equipped with multiple mounting tabs and a lifting lug, while the small tank features two prominent curved white pipes on its top surface
A 3D schematic of the replacement fuel tank for a 1987 Mako 261, shown against a black background. Text on the image identifies the tank as having a 182-gallon net capacity. Dimension lines detail its measurements as 91 inches long, 31 ½ inches wide, and 17 inches high. The silver-colored schematic features a curved front bottom edge, four mounting tabs, and numerous fittings on its top surface. The 'WW' anchor logo for Welding World is in the bottom right corner
A 3D schematic of the modified water tank for a 1987 Mako 261, shown against a black background. Text on the image identifies the tank as having a 23-gallon net capacity. Dimension lines detail its measurements as 31 ½ inches long, 12 inches wide, and 12 inches high. The silver-colored schematic shows a central fitting assembly with two curved pipes on its top surface. The 'WW' anchor logo for Welding World is in the bottom right corner
A combination set of two black-coated boat tanks, one large and one small, displayed against a checkered background. The primary tank is a long, rectangular belly tank with a rounded front bottom edge, equipped with multiple mounting tabs and a fuel sending unit. Positioned behind it, a much smaller, compact rectangular tank features its own set of fittings and mounting tabs
A long, rectangular boat fuel tank with a black coating, viewed from a front corner against a checkered background. A heavy-duty mounting bracket with a circular hole is centered on the front face, which features prominent vertical welding beads. Multiple L-shaped tabs line the top edges, and the front bottom edge is cut into a shallow V-shape. The top surface is equipped with a fuel sending unit and other fittings
A combination set of two different-sized, black boat tanks with a heavy, textured coating, displayed against a checkered background. A small, compact tank, likely for fresh water, sits in the foreground and features two prominent curved white pipes on top. In the background, a much longer rectangular fuel tank is shown with multiple mounting tabs and its own set of fuel fittings
A long, rectangular boat fuel tank with a black coating, viewed from a high, three-quarter profile angle against a checkered background. Multiple flat mounting tabs are welded along the top edges. Two clusters of fittings are located at opposite ends of the top surface; one includes a fuel sending unit, while the other features a fuel fill assembly with a curved white pipe
A compact, rectangular boat tank with a very heavy, textured black coating, viewed from a high three-quarter angle against a checkered background. The top surface features a cluster of fittings, including a large silver fuel fill assembly, a curved white vent pipe, and a white manufacturer's label. A black mounting bracket is visible on the far corner of the tank
A close-up of a white manufacturer's label on a heavily textured black surface, situated between a fuel sending unit on the left and a brass fitting below. The "Welding World, Inc." label identifies the product as a "Mako 261 Fuel Tank" with a 182-gallon capacity, made on September 8, 2022. A black wire from the sending unit curves across the bottom of the frame. The label also features ABYC and NMMA compliance logos
A close-up of a white manufacturer's label on a heavily textured black surface, with a white pipe visible along the right edge. The "Welding World, Inc." label identifies the product as a "Mako 261 Water Tank" with a 23-gallon capacity, made on September 8, 2022. Although recommended for water, the label includes a standard warning about fuel leaks and displays ABYC and NMMA compliance logos
A combination set of two different-sized, black-coated boat tanks, displayed against a checkered background. The set consists of a large, long rectangular fuel tank in the background and a much smaller, compact water tank in the foreground. The large tank is equipped with multiple mounting tabs and a lifting lug, while the small tank features two prominent curved white pipes on its top surface
A 3D schematic of the replacement fuel tank for a 1987 Mako 261, shown against a black background. Text on the image identifies the tank as having a 182-gallon net capacity. Dimension lines detail its measurements as 91 inches long, 31 ½ inches wide, and 17 inches high. The silver-colored schematic features a curved front bottom edge, four mounting tabs, and numerous fittings on its top surface. The 'WW' anchor logo for Welding World is in the bottom right corner
A 3D schematic of the modified water tank for a 1987 Mako 261, shown against a black background. Text on the image identifies the tank as having a 23-gallon net capacity. Dimension lines detail its measurements as 31 ½ inches long, 12 inches wide, and 12 inches high. The silver-colored schematic shows a central fitting assembly with two curved pipes on its top surface. The 'WW' anchor logo for Welding World is in the bottom right corner
A high, three-quarter front view of a 3D schematic for a boat's belly fuel tank, set against a solid black background. The light-grey schematic features a prominent V-shaped front bottom designed to fit a hull. Four angled mounting tabs are visible on the top corners, and the flat top surface is equipped with various fittings, including vent pipes and a rear lifting lug
A frontal, low-angle view of a 3D schematic for a boat's belly fuel tank, set against a solid black background. The light-grey schematic prominently displays a symmetrical, V-shaped bottom designed to fit a hull's deadrise. The flat top surface is equipped with several mounting brackets and a cluster of pipe fittings
A combination set of two black-coated boat tanks, one large and one small, displayed against a checkered background. The primary tank is a long, rectangular belly tank with a rounded front bottom edge, equipped with multiple mounting tabs and a fuel sending unit. Positioned behind it, a much smaller, compact rectangular tank features its own set of fittings and mounting tabs
A long, rectangular boat fuel tank with a black coating, viewed from a front corner against a checkered background. A heavy-duty mounting bracket with a circular hole is centered on the front face, which features prominent vertical welding beads. Multiple L-shaped tabs line the top edges, and the front bottom edge is cut into a shallow V-shape. The top surface is equipped with a fuel sending unit and other fittings
A combination set of two different-sized, black boat tanks with a heavy, textured coating, displayed against a checkered background. A small, compact tank, likely for fresh water, sits in the foreground and features two prominent curved white pipes on top. In the background, a much longer rectangular fuel tank is shown with multiple mounting tabs and its own set of fuel fittings
A long, rectangular boat fuel tank with a black coating, viewed from a high, three-quarter profile angle against a checkered background. Multiple flat mounting tabs are welded along the top edges. Two clusters of fittings are located at opposite ends of the top surface; one includes a fuel sending unit, while the other features a fuel fill assembly with a curved white pipe
A compact, rectangular boat tank with a very heavy, textured black coating, viewed from a high three-quarter angle against a checkered background. The top surface features a cluster of fittings, including a large silver fuel fill assembly, a curved white vent pipe, and a white manufacturer's label. A black mounting bracket is visible on the far corner of the tank
A close-up of a white manufacturer's label on a heavily textured black surface, situated between a fuel sending unit on the left and a brass fitting below. The "Welding World, Inc." label identifies the product as a "Mako 261 Fuel Tank" with a 182-gallon capacity, made on September 8, 2022. A black wire from the sending unit curves across the bottom of the frame. The label also features ABYC and NMMA compliance logos
A close-up of a white manufacturer's label on a heavily textured black surface, with a white pipe visible along the right edge. The "Welding World, Inc." label identifies the product as a "Mako 261 Water Tank" with a 23-gallon capacity, made on September 8, 2022. Although recommended for water, the label includes a standard warning about fuel leaks and displays ABYC and NMMA compliance logos

Mako 261 Modified Version - Fuel (182 gal.) + Water (23 gal.) Tanks Combo

$ 2,900.00
/
  • Local pickup available
  • Over-sized & over-weight item.
  • Only Ships LTL Freight.
  • Call us Mon.-Fri. 8:30 a.m. to 4:40 p.m. if in any doubt.

  • IMPORTANT NOTE: The base price is for local pickup in our SW Miami Shop. Check options above for crating and shipping to the contiguous 48 States. All tanks are made to order and the fabrication lead time is 2 work weeks. The finished tank pickup window is also 2 work weeks, so make sure you will be able to take delivery of your finished tank within that timeframe.  

  • Buy with confidence. Shortly after your payment clears you'll be sent via e-mail a complete set of detailed drawings for you to check all dimensions and fittings positions. If there's any difference from your old tank we can make any reasonable modifications to accommodate your needs. Fabrication of your new tank won't start until you send us your specs confirmation.    

  • .125 thickness Alcoa® 5052 H32 Series aluminum construction. 

  • Hand welded GTAW (TIG) welded to exceed ASME / ASW D3.7:2004 standards.

  • Sherwin Williams® TarGard® Epoxy painted for the best marine environment protection. 

  • KUS® (ex-WEMA USA®) reed switch sender with NBR float fuel level.

 NOTE: Check your tank dimensions thoroughly! Once a tank is manufactured and/or shipped we can't be responsible for mismatches and refunds or returns won't be accepted. All sales are final!

Fabrication lead time (before shipping): 2 work weeks. 

Shipping: Only freight to the 48 contiguous states. Contact us for extra-cost shipping options for HI and AK. Orders for international shipping from US-based carriers are welcome but contact us first to coordinate details.



Due to this item's size and weight we can only ship it in an economical way via Less Than Truckload (LTL) consolidated land shipping, and only to the contiguous 48 States.

For shipping inquiries to AK, HI, PR, US-VI, and international shipping, please contact us first at sales@weldingworldinc.com.

All of the destinations above we can only serve as a Free Carrier (or FCA) modality, that requires the customer to contract and pay for their carrier service of choice. We can still ship the item, but only to a warehouse/receiving office within the 48-contiguous States.

In plain terms what this means is that if you want to ship your product to any non-contiguous US territory or internationally, you, the customer, has to provide us with the warehouse address of the carrier that serves your locality with an address within the contiguous 48-US States, as we do not ship overseas on our own.

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