midwest industrial tanks|SKU:MIT-WOT-125-var-57898-88f70e

MIT Double Wall Waste Oil Tank — UL 142 Listed, SPCC Compliant

SPCC-Compliant Waste Oil Storage Without Secondary Containment

Engineered for uncompromising safety and regulatory compliance, the MIT Double Wall Waste Oil Tank features a unique clamshell design that eliminates the need for costly secondary containment. Its robust 12-gauge carbon steel construction provides superior protection against leaks and environmental hazards, ensuring your valuable assets are stored with absolute security. Trust in the premium craftsmanship that meets UL 142 standards, delivering peace of mind for the most demanding commercial and industrial applications.

SPCC regulation compliance — Eliminates secondary containment tank requirement
Double-wall clamshell design — Outer tank fully contains inner tank capacity
Carbon steel construction — 12 gauge outer, 10 gauge inner tank
Five size options — 125 to 2,000 gallon capacities available
  • Free Shipping -- Unconditional free freight shipping included
  • Compliance Documentation -- UL 142 listing details included with shipment

Price range: $2,899.00 through $8,999.00

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In the box

  • Double wall waste oil tank (selected size)
  • Lockable spill box with 2" drain hole
  • 2" steel suction pipe for removing contents
MITWasteOilStorageTank
MIT Double Wall Waste Oil Tank — UL 142 Listed, SPCC Compliant
$2,899.00 $8,999.00Price range: $2,899.00 through $8,999.00

SPCC-Compliant Waste Oil Storage Without Secondary Containment

The Midwest Industrial Tanks Double Wall Waste Oil Tank is a vetted, compliance-ready investment for facilities that need reliable waste oil storage. Built with a 12 gauge carbon steel outer shell fully containing a 10 gauge inner tank, this UL 142 listed unit eliminates the need for secondary containment. The commercial-grade clamshell design meets SPCC regulations out of the box. Available in five capacities from 125 to 2,000 gallons, each includes a lockable spill box with 2" drain and 2" steel suction pipe. Ships free with 30-day hassle-free returns. Financing available at $2,899.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
UL 142 Listed
Double-Wall Clamshell
SPCC Compliant
Carbon Steel Build
5
Capacity Options
UL 142
Safety Listed
10 & 12 Ga
Steel Wall Thickness
MITWasteOilStorageTank

Compliance Without Extra Containment Costs

One failed weld on a waste oil tank can mean EPA fines, cleanup costs, and operational downtime that hurts your bottom line. The Midwest Industrial Tanks double-wall clamshell design eliminates that risk entirely. Unlike single-wall tanks that require a separate secondary containment basin, this tank integrates containment directly into its structure. The 12 gauge carbon steel outer shell fully encloses the 10 gauge inner tank, so any potential breach stays contained. This vetted design meets UL 142 listing requirements and SPCC regulations without purchasing or installing additional containment equipment. For fleet managers and shop owners, that means one less compliance variable to manage and one fewer piece of infrastructure to maintain on the floor.

WasteOilboxwithdebrisscreen

Industrial-Strength Carbon Steel Build

Carbon steel construction gives this waste oil tank the structural integrity that aluminum or thin-gauge alternatives cannot match. The outer shell uses 12 gauge carbon steel while the inner tank is 10 gauge — both thicknesses selected to handle the demands of engine repair shops, auto repair facilities, and agricultural operations. The material choice provides resistance to punctures, dents, and environmental stress that degrade lesser tanks over time. Every unit Tank Vault carries is curated for this level of craftsmanship, because a waste oil storage failure is not an option when you are handling regulated materials. This is an investment in equipment that performs under real working conditions year after year.

WasteOilboxwithcamlock

Sized For Your Operation

Midwest Industrial Tanks offers this waste oil tank in five capacities: 125, 250, 500, 1,000, and 2,000 gallons. Each size comes with specific NPT fitting configurations designed for standard waste oil handling setups. The 125 gallon model measures 42 inches long by 31 inches wide by 46 inches tall and weighs 553 pounds, while the 2,000 gallon model extends to 119 inches long by 71 inches wide by 80 inches tall at 3,500 pounds. Every size includes a lockable spill box with a 2 inch drain hole and 2 inch steel suction pipe for removing contents. Selecting the right capacity reduces the frequency of pump-outs and keeps your shop running without interruption.

Space & Installation Requirements

Confirm your site can accommodate the tank footprint and weight before ordering.

  • Minimum floor space of 42"L x 31"W for the 125-gallon model
  • Ceiling clearance of at least 46" for smallest tank up to 80" for 2,000-gallon model
  • Adequate structural support for filled tank weight ranging from 553 to 3,500 lbs

Built for Demanding Workshops

Engineered for the environments that generate the most waste oil day in and day out.

Engine Repair Shops
Auto Repair Facilities
Agricultural Operations

Full specifications

At a glance

Compliance
UL 142 listed
Full specifications14 data points across 4 categories

Dimensions

125 Gallon42"L x 31"W x 46"H; 553 lbs
250 Gallon67"L x 36"W x 46"H; 850 lbs
500 Gallon71"L x 47"W x 59"H; 1,460 lbs
1,000 Gallon94"L x 57"W x 68"H; 2,200 lbs
2,000 Gallon119"L x 71"W x 80"H; 3,500 lbs

Power & Performance

125 Gallon Fittings(2) 3" NPT & (6) 2" NPT
250 Gallon Fittings(1) 4" NPT & (4) 2" NPT
500 Gallon Fittings(1) 4" NPT & (4) 2" NPT
1,000 Gallon Fittings(2) 4" NPT & (8) 2" NPT
2,000 Gallon Fittings(1) 4" NPT & (8) 2" NPT

Materials

Outer Tank12 gauge carbon steel
Inner Tank10 gauge carbon steel

Compliance & Warranty

ListingUL 142 listed
RegulationsMeets SPCC regulations

The Tank Vault Promise

Every tank we carry is held to the same standard — because your operation can't afford anything less.

Vetted for ComplianceEvery product on Tank Vault is vetted for build quality, real-world performance, and certification compliance before it earns a listing.
Free Shipping, AlwaysNo minimums, no thresholds. Your tank ships free with full tracking and handling care built in.
30-Day Hassle-Free ReturnsIf it doesn't fit your facility or meet your standards, return it within 30 days — no runaround.

Uncompromising Waste Oil Storage: The MIT Double Wall Waste Oil Tank

When managing waste oil, safety, compliance, and durability are non-negotiable. The Midwest Industrial Tanks (MIT) Double Wall Waste Oil Tank delivers a premium, UL 142 listed solution engineered to meet stringent SPCC regulations without the need for a secondary containment tank. Its innovative double-wall clamshell design provides robust, built-in secondary containment, giving you peace of mind and a streamlined setup. Constructed from heavy-gauge carbon steel and finished with a protective blue powder coat, this tank is built to withstand the rigors of demanding environments—from busy auto repair shops to agricultural operations. Whether you need a compact 125-gallon unit or a massive 2,000-gallon system, the MIT Double Wall Waste Oil Tank offers the security, capacity, and professional-grade performance your business demands.

Key Features

  • UL 142 Listed & SPCC Compliant: Meets rigorous safety standards and eliminates the need for a separate secondary containment tank.
  • Unique Double-Wall Clamshell Design: A 12-gauge carbon steel outer tank fully contains the entire contents of the 10-gauge carbon steel inner tank for fail-safe protection.
  • Lockable Spill Box with Debris Screen: Includes a lockable spill box with a 2″ drain hole, 2″ steel suction pipe for easy removal, and a removable debris screen.
  • Complete Monitoring System: Equipped with a level gauge, leak gauge, and (2) emergency vents for safe and informed operation.
  • Rugged Carbon Steel Construction: Built from heavy-duty carbon steel to withstand daily abuse in industrial settings.
  • Protective Blue Powder Coat Finish: Durable, corrosion-resistant finish that looks professional and extends the tank’s lifespan.
  • Stationary Design with Fork Pockets: Integrated fork pockets allow for easy positioning with a forklift, while the stationary design ensures stability once placed.
  • Lockable for Security: Helps prevent unauthorized access and tampering.
  • Fast Flow Outlet: 2-inch outlet port for rapid draining of contents.
  • Easy Access Ports: Ports are provided on both the inner and outer tanks for convenient inspection and maintenance.
  • 1-Year Limited Warranty: Backed by Midwest Industrial Tanks’ commitment to quality.

Specifications

The MIT Double Wall Waste Oil Tank is available in five sizes to suit any operation. Choose the capacity that fits your needs.

  • 125 Gallon: 42″L x 31″W x 46″H; (2) 3″ NPT & (6) 2″ NPT; 553 lbs
  • 250 Gallon: 67″L x 36″W x 46″H; (1) 4″ NPT & (4) 2″ NPT; 850 lbs
  • 500 Gallon: 71″L x 47″W x 59″H; (1) 4″ NPT & (4) 2″ NPT; 1,460 lbs
  • 1,000 Gallon: 94″L x 57″W x 68″H; (2) 4″ NPT & (8) 2″ NPT; 2,200 lbs
  • 2,000 Gallon: 119″L x 71″W x 80″H; (1) 4″ NPT & (8) 2″ NPT; 3,500 lbs

Note: All tanks feature a 12-gauge outer tank and a 10-gauge inner tank.

Why Choose the MIT Double Wall Waste Oil Tank?

Investing in a MIT Double Wall Waste Oil Tank means choosing a product that prioritizes safety, compliance, and durability from the ground up. Unlike standard single-wall tanks that require expensive and space-consuming external containment, MIT’s patented clamshell design integrates secondary containment directly into the tank. This saves valuable floor space and simplifies installation while meeting the toughest environmental regulations.

Built for professionals—from engine repair shops and auto mechanics to farmers—this tank is engineered with heavy-gauge carbon steel and a robust powder-coat finish to resist rust, impact, and harsh chemicals. Features like the lockable spill box, integrated leak gauge, and emergency vents ensure you’re always in control, while the integrated fork pockets make setup effortless. Don’t settle for less than the best in waste oil management. The MIT Double Wall Waste Oil Tank delivers the reliability and peace of mind that your operation deserves.

Additional information

Size

1000 Gallon, 125 Gallon, 2000 Gallon, 250 Gallon, 500 Gallon

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