May–June 2019

March–April 2019
March 13, 2019
July–August 2019
January 24, 2020


2 The 4620 Tractor Decoded
Digging Into The Serial Number Registers
11 The Model “820” Series Decoded
Digging Into The Serial Number Register
17 Commentary
32 Perspectives
A Story of One Tractor — by Clint Rau
A Winning Combination — by Dan Resh
Tractor Talk Shrunken Down — The Model “330” Utility — by Doug Beaty
Regional Two-Cylinder Ambassador Program
John Deere Day Movies on DVD!
John Deere 1:16 Scale Toy Replicas and Merchandise
Products • Services • Suppliers
Classified Ads


It’s not an “840”! This is the “820” Tractor that led to the production of the side-seat “840” Industrial, shown with a Hancock Elevating Scraper. Deere worked with Hancock to develop and produce what was needed as a highly maneuverable, short-turning scraper tractor. At a future time, a thorough study of the Experimental Tractor Serial Number Register may provide some evidence as to the origin and fate of this unit.

Two-Cylinder (ISSN 0899-2258) is the official publication for members of the Two-Cylinder Club®, and is available to anyone interested in the preservation of John Deere Tractors and related products.

The Two-Cylinder Club was chartered in Iowa in 1985 as a nonprofit service, educational, and recreational organization; and extends an invitation of membership to individuals interested in the preservation of John Deere Tractors and Implements and their important role in our agricultural heritage.

Two-Cylinder magazine is published bimonthly by Two-Cylinder, Ltd., 618 G Avenue, Grundy Center, IA 50638. Periodicals postage paid at Grundy Center, Iowa, and additional mailing offices. Annual (non-refundable) subscription rates, which include membership in the Two-Cylinder Club, are: $40.00 U.S., $56.95* Canada, and $94.95* to all other foreign countries (*U.S. funds). Single issue price: $10. Send all subscriptions and inquiries to P.O. Box

Postmaster: Send address changes to:

P.O. Box 430
Grundy Center, IA 50638-0430
1 319 824-6060

The information presented in Two-Cylinder is the result of considerable time and effort on the part of many dedicated individuals. However, it is recognized that the potential for error always exists, and this publication is no exception. Therefore, the publisher does not warrant or guarantee the information contained herein to be absolutely accurate, and accordingly, the publisher shall not be liable in regard to the use or reliance placed upon this information.

The images presented in Two-Cylinder are the property of several entities including Deere & Company, the Two- Cylinder Club, and private individuals. Each of the originating entities retains copyright of their photographs, materials, and documents.

No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the Publisher. Two-Cylinder magazine is subject to change in overall size, volume, content, and publishing/mailing schedule at discretion of the publisher.

Copyright © 2019
Two-Cylinder Ltd.
Volume 32 • Number 3

All rights reserved.

Editorial Director
Jack Cherry
Publication Manager
Brenda Harrenstein
Membership Services
Gretchen Madden
Membership Services
Elyse Cherry
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Connective Web Design


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