Garden Tractors - Road range of 620

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Road range of 620

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=101524
Printed Date: 04 Nov 2025 at 6:11am
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Topic: Road range of 620

Posted By: BrianC
Subject: Road range of 620
Date Posted: 05 Feb 2015 at 6:54pm

How many miles could a 620 with Onan CCKB road travel on tank of gas?
Or, what is the miles per gallon (MPG) on the road high gear?
1500 pounds, hydrostat, 800cc air cooled L-head, goes 10 miles per hour.
Fuel tank is 3.8 gallons. I am thinking 11MPG, based on guess that it needs to make 8hp to stay at 10miles per hour.

Replies:

Posted By: den/southern illinoi
Date Posted: 05 Feb 2015 at 7:06pm

If your calculation is correct, you're talking about near 42 miles on a tank of gas. All I know is that as thirsty as my 720s are...I would want a spare can of gas to try to make it that far on one tank...but I never really tired to see what they would do. Den

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Own 4 wheel 20, 2-5015, 5020 and associated equipment and 2 electric forklifts.