Gravely Pro-Turn 500 Mach One Battery
Group U1 size. That’s the size the Pro-Turn 500 Mach One takes. The lithium batteries on this page replace it.
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Gravely Pro-Turn 500 Mach One
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- Came with
- Group U1 sizeno part number published
- Size
- Group U1 sizeabout 7.7 x 5.2 x 7.2 in
- Lithium that fits
- 2 batteries12 volts, shown here
The Pro-Turn 500 Mach One takes a Group U1 size battery. The Ionic S8 720CA replaces it: 720 cranking amps, 4.4 lb. With a post on every corner, it turns to match your cables.
See the Ionic S8 720CAWhat The Pro-Turn 500 Mach One Needs
The Gravely Pro-Turn 500 Mach One runs on a Group U1 size battery. A Group U1 measures about 7.7 x 5.2 x 7.2 inches. Gravely’s parts books don’t say which side the + post is on, so we match it with a battery that has a post on every corner.
The Ionic S8 720CA or the Ionic S8 1220CA each replace it in lithium. With a post on every corner, it turns to match your cables.
What battery does the Gravely Pro-Turn 500 Mach One take?+-
The Pro-Turn 500 Mach One takes a Group U1 size battery.
Which lithium battery fits the Gravely Pro-Turn 500 Mach One?+-
The Ionic S8 720CA or the Ionic S8 1220CA. Each replaces the original in lithium.
How do I check before I order?+-
Read the label on the old battery and call us at 888-274-7544. We’ll match it.

