Guides
Practical guides on excavator attachment fitment, from hydraulic hammers and quick couplers to bucket wear parts. Written for contractors, fleets and dealers who need clear specs.
How to find the right hammer
Tonnage, coupler (S40–S70 / OilQuick / Lehnhoff), pin-on checks, and quote-only fitment — step by step.
How to identify a hydraulic hammer
Read the data plate, ID a breaker without one, and the six photos to send for a quote.
Quick coupler or pin-on? Measure attachment fitment
Read the coupler size, measure pins, centres and ear width, and check weight before you order.
J200 Half-Point vs Pointed Bucket Tooth
When to choose half-point vs pointed tips for digging, penetration, and wear life.
Why the J200 Lock Pin Matters
How retainers fail, when to replace them, and why cheap pins cost more on site.
Aftermarket J200 Wear Parts Buying Checklist
A buyer checklist for aftermarket J200 teeth and pins — fitment, labelling, and lead times.
Need a specific machine match? Request a fitment check or email hello@thunderline.eu.