CURT 40161 trailer ball (1-7/8 in ball, 3/4 × 1-5/8 in shank, 2,000 lb) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/curt-trailer-ball-40161/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Lippert (CURT))
Catalog version: 2026-10-20

Overall (mm): length 47.62, width 47.62
- CURT part 40161 is a 1-7/8 in trailer ball on a 3/4 in diameter × 1-5/8 in long shank, rated 2,000 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.

dimension  value
Ball diameter  1 7/8 in (47.62 mm)
Shank diameter  3/4 in (19.05 mm)
Shank length  1 5/8 in (41.27 mm)
Gross trailer weight rating  2,000 lb
Finish  Chrome
Part number  40161

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Lippert (CURT): CURT 1-7/8" Trailer Ball (3/4" x 1-5/8" Shank, 2,000 lbs.) #40161 — web — Publisher's page; dimensions are facts — https://www.lippert.com/curt-1875in-trailer-ball-75in-x-1625in-shank-2000-lbs-chrome-packaged-40161-2021106121

Free files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/curt-trailer-ball-40161/index.json
API: https://xemstudio.com/api/geometry?object=curt-trailer-ball-40161