Products information 1) Material: Low alloy steel 2) Surface: Standard yellow or as your request 3) Hardness: 360-420 HBW 4) Impact Strength: ≥22J (at 25°C) 5) Package: packed in plywood cases 6) Application :used in Excavator buckets, Loader buckets to connect replaceable, wear-resistant teeth, crucial for maximizing digging force in tough materials.
Our aftermarket replacement Komatsu Kprime‑series Weld-on Straddle Adapters are strictly manufactured per Komatsu OEM dimensional. They are designed for Komatsu K-prime tooth system ,can fit machine models include PC450,PC500,PC600,PC700, PC850,PC1150,PC2000,PC3000,WA600,WA700,WA800,WA900.
Our factory adopt high‑strength low‑alloy cast steel with precision quenching‑and‑tempering heat treatment , the hardness of adapter are stable around 360‑420HB , impact strength ≥22J .All of our bucket adapters are manufactured under ISO 9001 certified quality management systems, every adapter undergoes rigorous quality control—including material composition analysis, hardness verification, dimensional inspection to eliminate internal casting defects.
Straddle adapters 6060P050/ 6065P050 are compatible with bucket teeth P050RC/P050SDL/P050T, mainly used for models PC450-PC500/WA600;
Straddle adapters 6075P070/6065P070/ 6070P070 are compatible with bucket teeth P070RC/P070SDL/P070T, mainly used for models PC600-PC700/WA700;
Straddle adapters 6075WP085/ 6075P085 are compatible with bucket teeth P085RC/P085SDL/P085T, mainly used for models PC750-PC850,WA700/WA800/WA900;
Straddle adapters 6075WP120/ 6090WP120 are compatible with bucket teeth P120RC/P120SDL/P120T, mainly used for models WA900,WA800,L1150/1350;
Straddle adapters 6100WP200/6120WP200/ 21T7044620 are compatible with bucket teeth P200RC/P200SDL/P200T, mainly used for models PC2000;
Straddle adapter 6120WP300 is compatible with bucket teeth P300RC/P300SDL/P300T, mainly used for models PC3000;
Our aftermarket Mining-grade bucket adapters are engineered for severe working environments. They have reinforced structural design, including features thickened stress-bearing roots, over-sized welding base plates, and reinforced transition ribs that prevent weld tearing and fatigue failure during prolonged heavy-duty cycles. Precision-machined dovetail profiles ensure a tight, zero-play fit with corresponding bucket teeth, eliminating movement that could lead to accelerated pin and retainer wear.
When welding mining heavy-duty bucket adapter, please note that professional welding operation is required during installation, need to control preheat temperature,welding speed and welding sequence。Before replace the damaged bucket adapters, need to do cleaning work upon the welding area.Proper welding is crucial for protecting the bucket adapter and extending its service life.
PC750-PC850,
WA700/WA800/WA900
PC750-PC850,
WA700/WA800/WA900
Model
Part number
Alternative number
Description
PC450-PC500.WA600
6060P050
6060P-050
Komatsu Straddle Leg Adapter
PC450-PC500.WA600
6065P050
6065P-050
Komatsu Straddle Leg Adapter
PC600-PC700,WA700
6075P070
6075P-070
Komatsu Straddle Leg Adapter
PC600-PC700,WA700
6065P070
6065P-070
Komatsu Straddle Leg Adapter
PC600-PC700,WA700
6070P070
6070P-070
Komatsu Straddle Leg Adapter
6075WP085
6075WP-085
Komatsu Straddle Leg Adapter
6075P085
6075P-085
Komatsu Straddle Leg Adapter
WA900,WA800,L1150/1350
6075WP120
6075WP-120
Komatsu Straddle Leg Adapter
WA900,WA800,L1150/1350
6090WP120
6090WP-120
Komatsu Straddle Leg Adapter
PC2000,WA1200,L1850/2350
6100WP200
6100WP-200
Komatsu Straddle Leg Adapter
PC2000
6120WP200
6120WP-200
Komatsu Straddle Leg Adapter
PC2000
21T7044620
21T-70-44620
Komatsu Straddle Leg Adapter
PC3000
6120WP300
6120WP-300
Komatsu Straddle Leg Adapter
Contact: Zoe Shi
Phone: +86-19700710133
Tel: +86-19700710133
Email: order@longwearparts.com
Add: Beilun District, Ningbo, China
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