Rammer 5011 Hydraulic Hammer MERIT Premium Front Head | Heavy-Duty Structure (Compatible with Lower Bushing 171140) Shipping to Doha, Muscat & Abu Dhabi (GCC Infrastructure Hubs)

🌐 Global Continuous Spare Parts Supply: Direct Delivery to Your Desired Destination.

MERIT keeps your production lines running with an agile, high-velocity distribution network designed to eliminate equipment downtime. We deliver premium-grade hydraulic breaker parts directly to mine sites, fleet workshops, and regional equipment distributors across our primary international logistical corridors:

• The Arabian Peninsula Infrastructure Corridor: Full regional supply of climate-resilient sealing and high-wear structural steel components across the entire GCC—with regular, prioritized dispatch handling straight to Qatar (Doha), Oman (Muscat, Sohar, Salalah), and the UAE (Abu Dhabi, Dubai, Sharjah), as well as onwards to the ever-growing destinations added to our portfolio daily.
• Saudi Arabia Network: Direct supply pipelines serving primary mining sites, limestone quarries, and massive civil engineering infrastructure projects across Riyadh, Jeddah, Al Khobar, and the NEOM development zones.
• Australia & Oceania: Rapid transit solutions directly serving high-volume iron ore, gold, and coal mining fields across Western Australia (Pilbara), Queensland, and New South Wales.
• Global Heavy Hubs (Europe, Africa, Central Asia, The Americas): Our borderless shipping operations reach major plant hire fleets and tier-one mining projects from Frankfurt to Zagreb, Johannesburg to Houston, and onwards straight to your job site. Wherever your hammer operates, MERIT guarantees direct factory-to-door delivery.

High-Integrity Front Guide Housing for 50-to-80-Ton Carrier Excavators

The Front Head (also known as the Front Chuck Housing or Lower Body) is the heavy structural foundation engineered specifically for the large-range Rammer 5011 and 5011E (Sandvik BR5011) hydraulic rock breakers. Positioned at the absolute bottom of the hammer body assembly, the front head handles the brutal multi-directional impact stress, extreme twisting feedback, and continuous prying leverage generated during primary quarrying and heavy demolition.

This specific front head housing is precision-bored to seamlessly accommodate the OEM Part No. 171140 Lower Tool Bushing (which guides the massive 190 mm diameter chisel).

Epiroc Rammer Atlas Copco Hydraulic Breaker Parts

[Main Cylinder Piston] ➔ Downward Strike
         ↓
 ┌────────────────┐
 │   FRONT HEAD   │ ◄── Absorbs Multi-Directional Bending & Side Thrust
 │ ┌────────────┐ │
 │ │  171140    │ │ ◄── Houses Sacrificial Lower Bushing
 │ │  Bushing   │ │
 │ └─────┬──────┘ │
 └───────┼────────┘
         ↓
   [190mm Chisel] ➔ Penetrates Hard Rock / Concrete

MERIT manufactures this replacement front head using ultra-high tensile, vacuum-degassed forged alloy steel. Cast or poorly machined alternatives quickly develop fatigue fractures under the weight of a 4.7-ton hammer structure. Our front heads are deep-bored and multi-axis CNC-machined to ensure that tie-rod tunnels, retainer pin chambers, and bushing seats remain perfectly true over thousands of operating hours.

Technical Features and Manufacturing Standards of MERIT 5011 Front Heads

Surviving the continuous high-energy impacts of the 5011 series breaker requires perfect geometric execution. MERITmaximizes durability through:

1. Ultra-Precise Bushing Bore Alignment

The internal seating chamber for the 171140 lower tool bushing is bored to absolute microscopic tolerances. This ensures a flawless slip-fit or press-fit alignment. Proper fitment eliminates micro-vibrations, preventing the bushing from pounding against the interior walls and saving the inner front head bore from catastrophic oval deformation.

Epiroc Rammer Atlas Copco Hydraulic Breaker Parts

2. Deep-Stress Relieved Metallurgical Profile

Following complex forging and rough machining, our front heads undergo rigorous thermal stress relief. This uniform heat management removes internal structural tensions within the steel alloy matrix, preventing structural cracking around high-stress areas like the tool retaining pin slots and tie-rod shoulders.

3. Integrated Lubrication Circuit Configuration

Engineered to mesh perfectly with automatic lubrication layouts like the RAMLUBE system. The internal grease supply ports feed directly into the lubrication paths of the 171140 bushing, keeping the 190 mm working chisel fully slicked to mitigate friction wear and heat buildup.

Epiroc Rammer Atlas Copco Hydraulic Breaker Parts

Complete Compatibility Matrix