CURT Receiver Pintle Hooks: 48004, 48005 & 48010 Size Guide

CURT's receiver-mounted pintle hooks tow trailers equipped with a compatible lunette eye instead of a conventional ball coupler. Models 48004, 48005 and 48010 are forged-steel, pintle-only units with spring-loaded latches and black powder-coated finishes. Their main selection differences are the square receiver shank size and the rated gross trailer weight.

Choose by receiver opening and towing rating

48005 — 2-inch receiver, 10,000 lbFits a 2 × 2-inch receiver and an approved 2½-inch inside-diameter lunette eye. CURT specifies a 14½-inch overall length and includes a pintle-latch safety pin.
48004 — 2-inch receiver, 20,000 lbUses the same nominal 2-inch receiver opening and 14½-inch length but carries a higher 20,000 lb gross trailer rating. Do not infer the higher capacity from appearance alone.
48010 — 2½-inch receiver, 20,000 lbDesigned for a 2½ × 2½-inch receiver with its own solid shank rather than a smaller shank in an adapter. Overall length is 14¾ inches.

CURT receiver pintle hook size chart

CURT MPN Receiver shank Lunette eye ID Maximum GTW Overall length
48005 2 in 2½ in 10,000 lb 14½ in
48004 2 in 2½ in 20,000 lb 14½ in
48010 2½ in 2½ in 20,000 lb 14¾ in

All three are solid forged-steel pintle hooks with a spring-loaded locking arm, a gloss-black powder coat and a safety pin for the pintle latch. The shank retention pin for securing the hitch in the vehicle receiver is a separate fitment check; do not assume it is included.

Do not assume all lunette rings fit. CURT specifies a 2½-inch inside-diameter lunette eye for these three hooks. A 3-inch eye that fits a different CURT pintle system is not automatically approved here. All weights shown are gross trailer weight ratings, not allowable tongue weights; the complete tow setup is limited by its lowest-rated component.

Before choosing and installing a pintle hitch

  1. Measure the receiver opening. The 48004 and 48005 use a 2-inch square shank. The 48010 requires a compatible 2½-inch square receiver opening.
  2. Identify the lunette eye. The manufacturer specifies a 2½-inch inside eye for all three models. Check the ring's inside diameter, its own rating and the trailer's mounting arrangement.
  3. Choose the required gross trailer rating. CURT rates 48005 to 10,000 lb, while 48004 and 48010 are rated to 20,000 lb. A higher-rated pintle hook does not increase the vehicle or hitch receiver rating.
  4. Account for shank length and clearance. The 2-inch models measure 14½ inches overall and 48010 measures 14¾ inches. Confirm bumper, tailgate and trailer articulation clearance on your actual tow vehicle.
  5. Check both retention systems. Secure the shank in the receiver using a correctly sized hitch pin or lock, then engage the pintle's spring-loaded latch and install its safety pin before towing.
  6. Inspect the complete setup. Check the receiver, lunette eye, hitch structure, wear surfaces and rated safety chains according to the vehicle, trailer and component manufacturers' instructions.

Shop exact CURT pintle-only receiver hooks

These cards open the matching CURT manufacturer part numbers on NewRVParts. Orders ship from supplier warehouses; warehouse viewing and pickup are not available.

Related trailer connection references

For other parts of your towing setup, consult our trailer safety chain and cable ratings and CURT channel-style lunette rings. The latter covers standard channel-style 3-inch lunette rings and is not a list of automatically compatible rings for these receiver hooks.

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