Product Description
• Rock teeth
• Adapters
• Wing bar protectors
• Side wearing plates
• Back wearing strips
• Lip shrouds
• Heel shrouds
• Reinforced ribs
• Reinforced triangle gussets
• Wear straps fitted inside & outside
• Can be configured to customer spec
Landmate designed four series of bucket, including:
• Standard bucket
• Heavy duty bucket
• Severe duty rock bucket
• Extreme duty rock bucket.
We produce full range of buckets adapting all models of excavator ranging from 1ton to 100tons. Our strength buckets can cover all working conditions from common general earth rock digging to quarrying and mining industries
Q355 is A-572-50, NM400 is also called HB400 or AR400
| Type | Material & Plates Combinations | Working Conditions |
| Standard Bucket | Q355 + NM400 Teeth, adaptors, side cutters | Light duty works, such as digging and loading earth, sand, loose rock and gravel etc. |
| Heavy - Duty Bucket | Q355 / Q460 + NM400 Thicker plate and higher quality parts ( teeth, adaptors, side cutters) | Stronger and heavier than the GP bucket, HD bucket is for heavier excavating in hard and slightly rocky soil. |
| Severe Duty Rock Bucket | Q355 / Q460 + NM400 / NM 500 Rock teeth, adaptors, side cutters, wing protectors, side wearing plates, back wearing bars | SD buckets suitable for heavier working conditions in rocky types of soil and demolition works. It's wear-resistant for rocky works. |
| Extreme Duty Rock Bucket | Q355 / Q460 / Q690 +NM400 Rock teeth, adaptors, side cutters, wing protectors, side wearing plates, back wearing bars, lip protectors, heel shrouds | Strongest among the buckets above, XD rock bucket suits the most extreme construction conditions. Applied for highly abrasive cases such as severe rock, providing highest level wear protection. |

Yes. YP Petro accepts OEM/ODM orders based on customer drawings, technical specifications, or reverse-engineered samples. Our engineering team can confirm feasibility, recommend material upgrades, and provide quotations within 3-5 working days.
YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.
In addition to cylinder liners, YP Petro supplies a complete range of fluid end parts, including pistons, piston rubber, valve bodies, valve seats, valve rubber, liner seals, cylinder head gaskets, valve cover seals, piston rods, clamp assemblies, valve covers, cylinder heads, flange heads, cylinder flanges, cylinder covers, and inhalation capsules. We also supply dampener diaphragms, pressure gauges, fittings, relief valves, and exhaust valves.
YP Petro cylinder liners are available in metric sizes from 100mm to 180mm and imperial sizes from 3" to 7.5" (including 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.25", 6.5", 6.75", 7", 7.25", 7.5"). Custom sizes are available on request.
| Type | Inner Material | Hardness | Service Life | Best For |
| Bi-Metal | High-chromium cast iron | HRC 62 | 800h+ | General high-pressure, abrasive drilling |
| Ceramic | Al₂O₃ or Zirconia | HRC 80+ | 1500h+ | Extreme abrasion, high-sand formations |
| Chrome-Plated | Hard chrome coating | HRC 55 | 300-400h | Moderate conditions, budget operations |
| High-Frequency Quenching | Quenched alloy iron | HRC 50 | 200-300h | Light-duty, low-cost applications |