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Machinery Forum Re: Re: JD 4320 an 4620 [ Expand ] [ View Follow Ups ] [ Post Followup ] [ Return to Forum ] Posted by JD70Jim on June 05, 2001 at 06:51:16 from (64.197.39.201): In Reply to: Re: JD 4320 an 4620 posted by JK-NY on June 02, 2001 at 07:26:08: The 4320 and 4620 replaced the 4520. The 4520 was a new size, and the 4320 and 4620 further split up the number of hp sizes. The 5020 was replaced with the 6030. The 4320 was really a heavy duty 4020 turbo, factory engineered to have a little more beef than the 4020 had to match the increased power. The 4620 was an additional increase in power, in a modified 4020 type chassis. The 5020 was built much heavier, and had a bigger engine (531cid) than the 4020,4320, and 4620 had (404cid). A 4320 is very well regarded. Follow Ups: Post A Followup Name: E-Mail: Subject: Re: Re: Re: JD 4320 an 4620 Comments: Optional Link URL: Link Title: Optional Image URL: Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.