The spline-shaft version of the Dually for buyers who change bits often or want the Outrigger arm. Others can save with the 10310.
Amazon $389.99
A bare-bones 43cc powerhead for buyers who already have bits. With so little published, a name brand is the safer pick.
- 43 cc gasPower
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Low-priced 43cc powerhead
- Primer bulb and easy-pull recoil for starting
- Anti-vibration grips
- No bit in the box
- ThunderBay publishes almost no specs: no torque, weight, bit limit or warranty
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its power. How we rank explains each one.
Specifications
| Model number | Y43 |
|---|---|
| Drilling | |
| Power | 43 cc gas |
| Bit included | None |
| Build | |
| Operators | 1 |
Alternatives in this power
A cheap 52cc powerhead for buyers who already own 7/8 in bits. Specs are thin, so it is hard to compare with name brands.
Amazon $189.99A contractor one-person digger for crews who want a Honda four-stroke and no fuel mixing. Homeowners pay a lot for an 8 in limit.
Amazon $1,228.99 Southern Tool $1,043.41Compare
Compare the ThunderBay Y43 with any other earth auger →
More from ThunderBay: every ThunderBay product ranked.