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The Hart-Parr Oliver Collector is the official magazine of the Hart-Parr Oliver Collectors Association. Published bi-monthly, this is the premier magazine dedicated entirely to the Hart-Parr, Oliver and Cletrac tractors and equipment line. A subscription to HPOC is included with your membership to the Hart-Parr Oliver Collectors Association.


Call 888.400.4962 today to start receiving the Collector in your mailbox. Outside the USA, please call 937.610.0236.


Join the HPOCA and get 6 issues per year of Hart-Parr Oliver Collector magazine.

What can you find in Hart-Parr Oliver Collector?


  • Classified Ads (Free to members only, 50 word limit)

  • Upcoming Oliver related events

  • Oliver Auctions

  • Tech Tips

  • Great Oliver stories

  • Historical Facts

  • Correspondence from collectors


How can I contact Hart-Parr Oliver Collector?


Magazine Office

Hart-Parr Oliver Collector

Greg and Lisa Davis

9099 Mull Rd.

Vale, NC 28168



Membership Office

Hart-Parr Oliver Collector

PO Box 292092

Kettering, OH 45429


Outside the USA, please call 937.610.0236


All articles, letters and advertising needs to be on the Editor's desk by the deadline dates below:


Jan/Feb 2024 - November 20, 2023

Mar/April 2024 - January 20, 2024

May/June 2024 - March 20, 2024

July/Aug 2024 - May 20, 2024

Sept/Oct 2024 - July 20, 2024

Nov/Dec 2024 - September 20, 2024


How to Submit Articles & Ads

  • Electronic format: While we can use just about any file, using Word or PDF files are preferred.

  • Digital pictures: Photos should be taken using high resolution for clarity and sent as .jpg files.

  • Articles, photos and ads can be emailed to



  • Pay in advance for an ad of the same size in three consecutive issues, and we will discount to
    the old rates. Email 
    for discounts.

  • Layout charges: Advertising rates include up to one hour of layout time. Any time over that will be billed out at $50 per hour.

  • Payment is appreciated when submitting ad.

  • We are a full color publication, and no longer offer black and white ad rates.

Size & Cost

Full page — $370 color

Half page — $185 color

Quarter page — $105 color

Business card — $60 color


Mailing Date

Each issue will be mailed the 1st week of the month of issue.



~4500 members

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