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Mita Prima
Mita Prima

This sturdy 90-Gal. RDS Aluminum Auxiliary Fuel Tank/Toolbox Combo provides extra fuel storage that allows for increased driving range. The auxiliary tank can be used as additional capacity for a factory tank with the use of an RDS diesel install kit (sold separately). The 55in.L x 30in.W x 13.25in.H tank includes a gas cap, drain fittings, manual sight gauge, fuel filler shroud, and baffles to reduce sloshing. The toolbox has a linked stainless steel lock that also secures fuel fill to prevent tampering. Two cylinders hold the crowned lid open. Aluminum diamond plate material in a textured black powder-coat diamond plate finish. Meets DOT standards.

What's Included
  • (1) Auxiliary fuel tank/toolbox combo

Features + Benefits

  • Low profile design works well with fifth-wheels
  • Built-in baffles reduce fuel sloshing during transport
  • Rust-free aluminum construction protects fuel from contamination
  • Sight gauge allows you to quickly determine fuel level
  • For use gravity feeding fuel into OEM tanks
  • Large 2in. fill spout allows for faster fill-ups and siphon-free storage
  • 3/8in. FPT drain plug
  • 100% pressure tested and leak-free
  • Can be used as an auxiliary tank
  • Safety vent prevents fuel spillage while venting
  • Includes 3/8in. coupling for pickup
  • Secure fill compartment helps prevent theft
  • Extra fuel capacity allows for increased driving range
  • Simple installation can be done in as few as 30-40 minutes
  • Diesel install kits are available (Item#s 3490901, 3490902, 43748, sold separately)
Key Specs
Item# 51671


Manufacturer's Warranty1 year Limited Warranty
Ship Weight156.0 lbs
Tank Size (gal.)90
Compatible WithDiesel
ShapeRectangle
Overall Dimensions L x W x H (in.)55 + 2-in. (tabs) x 30 + 1-in. (tabs) x 19 1/2
Box Dimensions L x W x H (in.) 48 x 30 x 6 1/4 Tank Dimensions L x W x H (in.) 55 + 2-in. (tabs) x 30 + 1-in. (tabs) x 13 1/4 Material Type Aluminum Finish Type Black powder-coat diamond plate Lock Included Yes Lock Type Paddle handle DOT Approved Meets DOT standards

Warranty: 1-Year Warranty

RDS Aluminum Auxiliary Fuel Tank Toolbox Combo — 90-Gallon, Rectangular, Black Diamond Plate, Fuel Filler Shroud, Model# 72745PC

  • Product Code: MTP3479452

This sturdy 90-Gal. RDS Aluminum Auxiliary Fuel Tank/Toolbox Combo provides extra fuel storage that allows for increased driving range. The auxiliary tank can be used as additional capacity for a factory tank with the use of an RDS diesel install kit (sold separately). The 55in.L x 30in.W x 13.25in.H tank includes a gas cap, drain fittings, manual sight gauge, fuel filler shroud, and baffles to reduce sloshing. The toolbox has a linked stainless steel lock that also secures fuel fill to prevent tampering. Two cylinders hold the crowned lid open. Aluminum diamond plate material in a textured black powder-coat diamond plate finish. Meets DOT standards.

What's Included
  • (1) Auxiliary fuel tank/toolbox combo

Features + Benefits

  • Low profile design works well with fifth-wheels
  • Built-in baffles reduce fuel sloshing during transport
  • Rust-free aluminum construction protects fuel from contamination
  • Sight gauge allows you to quickly determine fuel level
  • For use gravity feeding fuel into OEM tanks
  • Large 2in. fill spout allows for faster fill-ups and siphon-free storage
  • 3/8in. FPT drain plug
  • 100% pressure tested and leak-free
  • Can be used as an auxiliary tank
  • Safety vent prevents fuel spillage while venting
  • Includes 3/8in. coupling for pickup
  • Secure fill compartment helps prevent theft
  • Extra fuel capacity allows for increased driving range
  • Simple installation can be done in as few as 30-40 minutes
  • Diesel install kits are available (Item#s 3490901, 3490902, 43748, sold separately)
Key Specs
Item# 51671


Manufacturer's Warranty1 year Limited Warranty
Ship Weight156.0 lbs
Tank Size (gal.)90
Compatible WithDiesel
ShapeRectangle
Overall Dimensions L x W x H (in.)55 + 2-in. (tabs) x 30 + 1-in. (tabs) x 19 1/2
Box Dimensions L x W x H (in.) 48 x 30 x 6 1/4 Tank Dimensions L x W x H (in.) 55 + 2-in. (tabs) x 30 + 1-in. (tabs) x 13 1/4 Material Type Aluminum Finish Type Black powder-coat diamond plate Lock Included Yes Lock Type Paddle handle DOT Approved Meets DOT standards

Warranty: 1-Year Warranty

  • Brand: RDS
  • Availability: In Stock

$448.76

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Yes, parts are not ordered via the Internet. If you wish to order a part please email us directly at sales@mitaprima.com with the product name and model number.

See the under product name in product page listed availability in stock or not. If in stock, you can make order the item. but if no in stock, you will cannot order the item.

Yes, we offer free shipping cost. We will ship your order in 2 - 3 business days after your order have been placed.

The prices of all our items are final prices including sales tax. You will not be charged any additional fees after placing an order through our online store.

In stock items usually ship between 2 - 3 business days. Our delivery time is 7 - 20 business days.

Yes, we ship to overseas.