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CURT 40089 trailer ball (3 in ball, 2 × 3-1/4 in shank, 30,000 lb)

What are the dimensions of the CURT 40089 trailer ball? · Modern device · basis: Manufacturer specifications (Lippert (CURT))

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Exact dimensions. True size, with no printing tolerance added.

length
76.2 mm
width
76.2 mm

Notes

  • CURT part 40089 is a 3 in trailer ball on a 2 in diameter × 3-1/4 in long shank, rated 30,000 lb GTW.
  • Ball and shank sizes are from the product title; rise, flat size and thread are not published.
  • Ball-mount hole must match the shank diameter; shank length must cover the mount thickness plus washer and nut.
  • True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

CURT 40089 trailer ball size chart

dimensionvalue
Ball diameter3 in (76.2 mm)
Shank diameter2 in (50.8 mm)
Shank length3 1/4 in (82.55 mm)
Gross trailer weight rating30,000 lb
FinishRaw steel
Part number40089

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Lippert (CURT)CURT 3" Trailer Ball (2" x 3-1/4" Shank, 30,000 lbs.) #40089webPublisher's page; dimensions are facts

Free files

★ Free files 2 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

curt-trailer-ball-40089-ballBall Ø76.2 mmSTEP · STL
curt-trailer-ball-40089-shankShank Ø50.8 × 82.55 mm (collar, rise and thread not published, not modelled)STEP · STL
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Plain text: sheet.txt · JSON: /api/geometry?object=curt-trailer-ball-40089

CURT 40089 trailer ball (3 in ball, 2 × 3-1/4 in shank, 30,000 lb), isometric render of a generated part
Render of curt-trailer-ball-40089-shank from the free STEP; not to scale.

Fits with

CURT 40015 trailer ball (1-7/8 in ball, 3/4 × 2-1/8 in shank, 2,000 lb), isometric render of a generated part
CURT 40015 trailer ball (1-7/8 in ball, 3/4 × 2-1/8 in shank, 2,000 lb)47.62×47.62 mm★ 2 files
CURT 40161 trailer ball (1-7/8 in ball, 3/4 × 1-5/8 in shank, 2,000 lb), isometric render of a generated part
CURT 40161 trailer ball (1-7/8 in ball, 3/4 × 1-5/8 in shank, 2,000 lb)47.62×47.62 mm★ 2 files
CURT 40002 trailer ball (1-7/8 in ball, 1 × 2-1/8 in shank, 3,500 lb), isometric render of a generated part
CURT 40002 trailer ball (1-7/8 in ball, 1 × 2-1/8 in shank, 3,500 lb)47.62×47.62 mm★ 2 files
CURT 40072 trailer ball (1-7/8 in ball, 1 × 3 in shank, 3,500 lb), isometric render of a generated part
CURT 40072 trailer ball (1-7/8 in ball, 1 × 3 in shank, 3,500 lb)47.62×47.62 mm★ 2 files

Questions

What size is CURT trailer ball 40089?

3 in ball (76.2 mm), 2 in × 3-1/4 in shank (50.8 mm × 82.55 mm), 30,000 lb.