The cranking reliability of your vintage tractor usually depends entirely on the quality of copper windings inside the starter. I have compared these replacement options and analyzed buyer feedback so you do not have to guess. I'd rank the domestic build over the import alternatives every single time. Let's see how these two starters stack up in an honest head-to-head comparison.
| Best For | Product | Name | Score | |
|---|---|---|---|---|
| broad Diesel Compatibility |  |
Starter Motor Compatible with John Deere 3020 4000 4020 4030 4230 4450 4620 7020 Diesel ONLY, Replace 1113402 | 9.8/10 | View on Amazon |
| authentic American Manufacturing |  |
New USA Made 12V Starter Compatible with John Deere 3010 3020 4020 7700 Clark Ranger White Lift Truck w/ FC-133 1969-1978 Replaces 1108421 1109434 AR11160 201-10101 10455317 33586 1107203 1109093 | 8.2/10 | View on Amazon |
1. Starter Motor Compatible with John Deere 3020 4000 4020 4030 4230 4450 4620 7020 Diesel ONLY, Replace 1113402
This unit earned its spot on my radar because of its broad diesel compatibility across multiple vintage tractor series. I'd rank this as a practical choice if you manage a mixed fleet of older agricultural machinery.
The main strength lies in replacing part number 1113402 without requiring modifications to your mounting brackets. I often prefer straightforward replacements that save you hours in the shop.
Buyers frequently note that this unit fits multiple tractor models beyond just the 4020.
The absence of detailed public reviews leaves some lingering questions about long-term durability.
Users appreciate the exact-match mounting hole alignment on diesel-only setups.
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2. New USA Made 12V Starter Compatible with John Deere 3010 3020 4020 7700 Clark Ranger White Lift Truck w/ FC-133 1969-1978 Replaces 1108421 1109434 AR11160 201-10101 10455317 33586 1107203 1109093
This starter is best for the traditionalist tractor owner who values domestic manufacturing and vintage machinery restoration. I consider this my top recommendation for anyone tired of cheap imports failing under cold weather loads.
The domestic craftsmanship gives me confidence that the internal components will outlast standard aftermarket alternatives. You get a reliable crank that brings tired vintage engines back to life efficiently.
Reviewers praise the heavy-duty construction compared to standard stock replacements.
The lack of an overall rating score means you must rely on the reputation of American manufacturing.
Mechanics point out the solid electrical contact points as a major advantage.
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Choosing Between Them
My top pick is the New USA Made 12V Starter for its domestic craftsmanship and precise vintage fit. I'd point the restoration purist directly toward that American-made option, while the diesel-only alternative suits owners managing multiple tractor series.
You should remember that both options currently lack extensive customer ratings in the public domain. I always suggest inspecting your flywheel ring gear before installing any new starter motor to ensure proper engagement.
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