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CURT Towing Coupler: Straight-Tongue Coupler, II, 3,500 lb Gross Towing Wt Capacity - Straight-Tongue Couplers
CURTStraight-Tongue Couplers

CURT Towing Coupler: Straight-Tongue Coupler, II, 3,500 lb Gross Towing Wt Capacity

The CURT Straight-Tongue Coupler (MPN 25138) is a Type II, steel towing coupler with a 3,500 lb gross towing weight capacity. It features a zinc-plated, wear-resistant finish and weighs 4 lb.

SKU 3G-OTH-485017

Brand
CURT
Item
Towing Coupler: Straight-Tongue Coupler, II, 3,500 lb Gross Towing Wt Capacity
Category
Straight-Tongue Couplers
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Technical Specifications

CURT
Manufacturer Part Number
25138
Type
II, Steel
Material
Steel
Wt
4 lb
Finish
Zinc Plated
Resistance Properties
Wear-Resistant
Gross Towing Wt Capacity
3,500 lb
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Technical Documents

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CURT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CURT Straight-Tongue Coupler (MPN 25138) is a Type II, steel towing coupler with a 3,500 lb gross towing weight capacity. It features a zinc-plated, wear-resistant finish and weighs 4 lb.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CURT straight-tongue coupler used for?

The CURT straight-tongue coupler (MPN 25138) is used for towing trailers, boats, and equipment. It connects a trailer tongue to a tow vehicle's hitch ball, providing a secure, wear-resistant joint for loads up to 3,500 lb gross towing weight.

What are the specifications of the CURT 25138 coupler?

The CURT 25138 is a Type II, steel straight-tongue coupler with a 3,500 lb gross towing weight capacity. It has a zinc-plated, wear-resistant finish and weighs 4 lb. The manufacturer part number is 25138.

Where to buy the CURT 25138 coupler worldwide?

3G Electric supplies the CURT 25138 straight-tongue coupler to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this towing component.

How to install a CURT straight-tongue coupler?

To install a CURT straight-tongue coupler, first ensure the coupler size matches your trailer tongue and hitch ball. Slide the coupler over the ball, close the latch, and secure with a lock or pin. Always follow the vehicle and trailer manufacturer's torque and safety guidelines.

Used in

Common applications for CURT
Fleet maintenance — CURT Box End Wrench (MPN 20001) for tightening hitch bolts and trailer fasteners
Construction site security — CURT Automotive Hitch Lock (MPN 23666) for securing equipment trailers and tool boxes
Warehouse operations — CURT cable locks for temporary locking of roll cages or pallet racks
Field service — CURT wrenches for on-site repair of towing equipment on service vehicles
Event logistics — CURT hitch locks for securing temporary barriers or stage equipment

CURT Products

3G Electric supplies CURT straight-tongue couplers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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CURT Towing Coupler: Straight-Tongue Coupler, III, 5,000 lb Gross Towing Wt Capacity, Steel (MPN 25100). Key specifications — Brand: CURT; Finish: Zinc Plated; Material: Steel; Resistance Properties: Tear-Resistant.
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