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NAICS Code· 333612

NAICS 333612: Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing gears, speed changers, and industrial high-speed drives (except hydrostatic). Cross-References. Establishments primarily engaged in--Show more

NAICS 333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing encompasses the design and production of precision mechanical power transmission components, including industrial gearboxes, speed reducers, high-speed drives, and associated speed changers used to regulate torque and rotational speed in heavy machinery. These components are critical in defense and homeland security applications such as vehicle drivetrains, munitions handling systems, radar positioning assemblies, and automated logistics equipment.

95
Active Contracts
$81.3M
Total Obligations (12mo)
1.2K
Awarded Contracts (12mo)
364
Contractors Awarded (12mo)
3
Median Bidders per Award
+12.2%
YoY Growth
Dotted
NAICS 333612 FAQ

Frequently Asked Questions

NAICS code 333612 covers Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing gears, speed changers, and industrial high-speed drives (except hydrostatic). Cross-References. Establishments primarily engaged in--

Recently Posted in Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing

NAICS: 333612
Awarded
DIBBS
GEARSHAFT, SPUR
Solicitation # SPE7L0-27-P-0039
The Defense Logistics Agency awarded contract SPE7L027P0039 to Liberty Communications, Inc. on October 10, 2026, for the procurement of a spur gearshaft. This award, issued under solicitation SPE7L1-26-T-087A and NAICS code 333612, is a firm fixed price purchase order totaling 483.00 dollars for one unit of NSN 3040012179393. Managed by DLA Weapons Support, the contract is designated as an emergency requirement with a strict delivery deadline of October 16, 2026. The awardee is required to process all invoicing through the Wide Area Workflow system.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

N/A
View Details
NAICS: 333612
New
DIBBS
GEAR ASSEMBLY, SPEED DE
Solicitation # SPE7LX-26-U-010L
Solicitation SPE7LX-26-U-010L is a request for quotations issued by the DLA Land and Maritime Strategic Acquisition Program Directorate for the procurement of 14 Gear Assembly, Speed Decreaser units, identified by NSN 3010010904359 and Dover Pumps and Process Solutions part number E-3548E. This is a total small business set-aside under a unilateral Indefinite Delivery Contract with a maximum value of 350,000.00 dollars. The items are critical application components used on pump units and must be delivered within 161 days after order. Delivery is FOB Origin, with inspection and acceptance occurring at the destination. The contract mandates strict adherence to DLA packaging and marking standards, specifically MIL-STD-2073-1E and MIL-STD-129, and prohibits the intentional addition of mercury or mercury-containing compounds. Technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements. Award will be granted to the responsible offeror whose quote is determined to be most advantageous to the government based on price. Administrative requirements include the use of the Wide Area WorkFlow system for electronic invoicing and payment requests.
STRATEGIC ACQ PROGRAM DIRECTORATE

POSTED

4 days ago

DEADLINE

in 2 days
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NAICS: 333612
New
DIBBS
GEAR, WORM WHEEL
Solicitation # SPE7L1-26-U-0797
Solicitation SPE7L1-26-U-0797 is a total small business set-aside issued by the Defense Logistics Agency Land Supply Chain for the procurement of worm wheel gears, NSN 3020-01-115-3702. The government seeks a unilateral Indefinite Delivery Contract for a one-year period with a maximum value of 350,000.00 dollars. The estimated annual quantity is 14 units, with a guaranteed contract minimum of 2 units and a minimum delivery order quantity of 7 units. Delivery is required within 252 days after receipt of order, with inspection and acceptance occurring at the destination. This is a restricted source item requiring engineering source approval from the government design control activity. Alternate offerors must provide extensive documentation per MIL-T-31000, including all manufacturing drawings, process sheets, and identification of critical process sources. A shock extension report per MIL-S-901 is required, and any use of reverse engineering must be supported by a detailed analysis report. Packaging and marking must comply with MIL-STD-2073-1E and MIL-STD-129, while invoicing and payment must be processed through the Wide Area WorkFlow system. Award will be based on the price quoted for the estimated annual demand.
LAND SUPPLY CHAIN

POSTED

4 days ago

DEADLINE

in 2 days
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NAICS: 333612
Closed
SLED
7K SMP Overhaul Kits, Gearbox Unit
Solicitation # WMATA-0000008666
The Washington Metropolitan Area Transit Authority is seeking bids for the procurement of 7K SMP Overhaul Kits specifically designed for Gearbox Units. This solicitation, identified by number WMATA-0000008666, is currently in a pending award status. The procurement process was managed through the agency's supplier portal with a response deadline of March 25, 2022. While the organization is categorized as other and based in Virginia, specific details regarding the NAICS code and the exact place of performance were not provided in the contract data.
Washington Metropolitan Area Transit Authority

POSTED

4 days ago

CLOSED

over 4 years ago
View Details
NAICS: 333612
New
DIBBS
DISK, CLUTCH, NONVEHICUL
Solicitation # SPE7L2-27-T-0012
DLA WEAPONS SUPPORT LAND SUPPLIER OPNS WHEELED VEHICLES

POSTED

5 days ago

DEADLINE

in 6 days
View Details
NAICS: 333612
New
DIBBS
GEAR, SPUR
Solicitation # SPE7L5-27-Q-0005
DLA WEAPONS SUPPORT LAND SUPPLIER OPNS ENGINES

POSTED

5 days ago

DEADLINE

in 2 days
View Details
NAICS: 333612
New
DIBBS
HUB, COUPLING, FLEXIBLE
Solicitation # SPE7L2-26-T-0701
Solicitation SPE7L2-26-T-0701 is a fixed-price request for quotations issued by the Department of Defense, specifically DLA Land and Maritime, for the procurement of three flexible coupling hubs, identified by NSN 3010-01-439-4447 and Timken part number 3K-B-685670. The items are designated as critical application items and must be delivered to the DLA Distribution DDSP New Cumberland facility in Pennsylvania. The required delivery date is May 4, 2027, with a delivery window of 207 days. Shipping is established as FOB Origin, while both inspection and acceptance will occur at the destination. The contract mandates strict adherence to technical and quality requirements found in the DLA Master List, with packaging and marking governed by MIL-STD-2073-1E and MIL-STD-129. Specific material restrictions prohibit the intentional addition of mercury or mercury-containing compounds and forbid the use of additive manufacturing unless authorized. Contractors must utilize the Wide Area Workflow system for electronic invoicing and payment requests. Compliance with the Buy American Act, Berry Amendment, and various FAR and DFARS clauses regarding cybersecurity, hazardous materials, and trafficking in persons is required.
LAND SUPPLIER OPNS WHEELED VEHICLES

POSTED

5 days ago

DEADLINE

in 1 day
View Details
NAICS: 333612
New
DIBBS
COUPLING, SHAFT, FLEXIBL
Solicitation # SPE7L3-27-T-0454
DLA WEAPONS SUPPORT LAND SUPPLIER OPNS VEHICLE SPT

POSTED

5 days ago

DEADLINE

in 6 days
View Details
NAICS: 333612
New
DIBBS
GEAR ASSEMBLY, SPEED DE
Solicitation # SPE7L4-27-T-0210
DLA WEAPONS SUPPORT LSO COMBAT VEHICLES AND ARMAMENT

POSTED

5 days ago

DEADLINE

in 6 days
View Details
NAICS: 333612
New
DIBBS
CLUTCH, MAGNETIC, NONVEH
Solicitation # SPE4A5-27-T-0331
DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

POSTED

5 days ago

DEADLINE

in 3 days
View Details
NAICS: 333612
New
DIBBS
PULLEY, GROOVE
Solicitation # SPE7L4-27-T-0202
DLA WEAPONS SUPPORT LSO COMBAT VEHICLES AND ARMAMENT

POSTED

5 days ago

DEADLINE

in 6 days
View Details
NAICS: 333612
New
DIBBS
GEAR ASSEMBLY, SPEED
Solicitation # SPE7M1-27-T-0456
DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

5 days ago

DEADLINE

in 6 days
View Details

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