Home / Ingersoll Rand / Yamamoto 51533073 Chuck 2651533073 YH80A YH80RP YH65 YH70 Ingersollrand drifter 515 330 73
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Yamamoto 51533073 Chuck 2651533073 YH80A YH80RP YH65 YH70 Ingersollrand drifter 515 330 73

A chuck that actually lasts in rough ground – YH series drop-in fit.

This Yamamoto 51533073 chuck (also listed as 2651533073) does one job: it keeps the drill steel seated and the impact energy going where it should—into the rock. Made for Ingersoll Rand YH80A, YH80RP, YH65, YH70, and YH70S drifters, it swaps in without modifications. The threads and taper surfaces are cut to factory specs, so you’re not messing with shims or struggling with alignment. On a worn chuck you see slipped shanks, egged-out holes, and cracked bits. This one fixes that.

A few things worth knowing:

  • Fits all five YH models without adapters
  • Alloy steel that holds up under high-frequency percussion
  • Through-hardened in the bore where most failures start
  • Same form and function as the original tool, but priced for the real-world maintenance budget

We keep these on the shelf because our mining and tunneling customers can’t wait three weeks. And if you need front heads, pistons, rotation bushings—just ask.

Get a Quote Back to Ingersoll Rand
Yamamoto 51533073 Chuck 2651533073 YH80A YH80RP YH65 YH70 Ingersollrand drifter 515 330 73
#248
Highlights
Key Advantages
  • Direct bolt-on replacement for Ingersoll Rand YH80A, YH80RP, YH65, YH70, YH70S – no shims, no grinding, just install and run.
  • Through-hardened bore resists the flaring and cracking you get with heat-treated-only surfaces, especially in abrasive ground.
  • Threads and seating angles cut to match factory drawings; bit shank stays locked, so you lose less energy to chatter.
  • We hold stock in multiple warehouses; most orders ship same day or next, keeping your drill cycle on schedule.
  • Not just the chuck – we carry rotation bushings, pistons, seal kits, and front heads for the entire YH lineup.
Use Cases
Applications
  • Narrow-vein underground mining – compact drifters where a loose chuck kills advance rates fast.
  • Jumbo-mounted tunneling and gallery work with YH80-series rigs running high flow.
  • Quarry bench drilling – consistent bit grip when you’re pulling long rounds in fractured granite.
  • Foundation drilling and anchoring – precise hole starts matter when you’re setting dozens of tiebacks a shift.
Specs
Technical Specifications
Primary part number51533073
Alternate part number2651533073
Fits drifter modelsYH80A, YH80RP, YH65, YH70, YH70S
ManufacturerYamamoto
PurposeDTH / drifter chuck, bit retention
MaterialAlloy steel, through-hardened at bore
Thread standardPer OEM drifter spec
Included coatingAnti-rust oil for storage
Details
Detailed Description
Yamamoto 51533073 Chuck 2651533073 YH70S YH80A YH80RP YH65 YH70 Ingersollrand drifter 515 330 73

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FAQ
FAQ
Will this chuck fit my YH70S from 2018?
Should fit fine. It covers YH70, YH70S, YH80A, YH80RP, and YH65. The only thing to double-check is if someone swapped to a different shank adapter over the years, but the chuck body patterns are the same.
How do you know it won’t spin loose after a few thousand blows?
The threads and alignment shoulder get cut on CNC lathes and grinders that hold the same tolerances as the original part. More importantly, the bore is through-hardened, so it doesn’t bellmouth under pounding. That’s the main reason chucks spin loose.
What’s the real lead time right now?
If you order before 2pm, we usually get it out same day from one of three warehouses. DHL/FedEx to North America and Europe runs 4–7 working days. Slower economy options available, but most crews don’t want to wait.
Do I need any special tools to swap it?
Standard drifter wrenches and a torque multiplier do the job. No heat, no press. Just clean the front head threads, grease lightly, torque to Ingersoll Rand’s spec—takes about 20 minutes on-site.
Is this thing really Yamamoto, not a copy?
Yes, sourced from Yamamoto supply chain. We see copies in the market with mangled part numbers. Ours comes properly marked, with the right alloy and heat treat. If you run it and it’s not right, we replace it.
You’ve got other YH parts, or just this chuck?
We stock a pretty deep bench for YH drifters—pistons, rotation bushings, seal kits, front heads, and slide bars. If you send us a list, we can ship a whole rebuild kit same day.
Stock
Check Stock & Get a Quote
Grab a 51533073 chuck today. In stock, ships fast, and if it doesn’t fit exactly like the OEM piece, we’ll make it right.
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