TOSOG Rear Suspension Cylinders for Mining & Earthmoving Equipment

Heavy-Duty Rear Suspension Hydraulic Cylinders Built for Extreme Loads

TOSOG specializes in rear suspension cylinders engineered for mining and earthmoving equipment, delivering superior shock absorption, load stability, and machine longevity. Designed for rigid dump trucks, articulated dump trucks, and heavy off-highway vehicles, TOSOG rear suspension cylinders perform reliably in the harshest operating environments.

Whether for OEM replacement or aftermarket supply, TOSOG offers high-quality rear suspension hydraulic cylinders that meet or exceed original equipment specifications.

What Is a Rear Suspension Cylinder?

A rear suspension cylinder is a critical hydraulic component used primarily on mining haul trucks and heavy dump trucks. It absorbs impact loads, stabilizes the rear axle, and protects the chassis from excessive stress during operation over rough terrain.

TOSOG rear suspension cylinders are designed to:

• Absorb shock and vibration

• Improve ride quality and operator comfort

• Reduce frame fatigue and structural damage

• Extend tyre, axle, and chassis life

Why Choose TOSOG Rear Suspension Cylinders?

✅ Mining-Grade Strength

Manufactured from high-strength alloy steel, TOSOG cylinders are built to handle:

• Extreme payloads

• Continuous shock loading

• High-pressure hydraulic systems

• Severe mining and quarry conditions

✅ Advanced Seal Technology

Our rear suspension cylinders use multi-stage sealing systems to ensure:

• Leak-free performance

• Reduced contamination ingress

• Extended service intervals

✅ OEM-Compatible Design

TOSOG rear suspension cylinders are OEM-equivalent, offering direct replacement without modification.

✅ Cost-Effective Reliability

Achieve OEM performance at a competitive aftermarket price, minimizing downtime and operating costs.

Applications

TOSOG rear suspension cylinders are suitable for:

• Rigid mining dump trucks

• Articulated dump trucks (ADT)

• Heavy off-highway haul trucks

• Quarry and earthmoving transport equipment

Compatible Equipment Brands

TOSOG rear suspension cylinders are compatible with leading earthmoving and mining equipment brands, including:

• Caterpillar (CAT)

• Komatsu

• Volvo Construction Equipment

• Hitachi

• Liebherr

• Bell Equipment

• Terex

• XCMG

• SANY

OEM part number cross-reference available on request.

Key Features & Benefits

• High load-bearing capacity

• Precision-machined barrel and rod

• Hard-chrome plated piston rods for wear resistance

• Heavy-duty mounting eyes and bushings

• Corrosion-resistant surface finish

• Tested for pressure, fatigue, and durability

TOSOG vs Other Rear Suspension Cylinder Options

Conclusion: TOSOG delivers OEM-level performance and durability with better value and faster availability.

Quality Control & Testing

Each TOSOG rear suspension cylinder undergoes:

• Hydrostatic pressure testing

• Seal integrity inspection

• Dimensional accuracy checks

• Surface treatment verification

This guarantees consistent performance in demanding mining operations.

Tips for extending cylinder life

• Avoid aggressive off-road maneuvers that can bend rods.

• Use recommended hydraulic fluids and avoid mixing brands.

• Store equipment in a dry, shaded area to prevent corrosion.

• Replace worn bushings and pins promptly to reduce cylinder wear.

• Schedule routine professional inspections annually.

Replacement and compatibility

• Always use OEM or high-quality aftermarket cylinders designed for your machine model.

• Verify part numbers and serial numbers before ordering.

• Rear suspension cylinders are often compatible across models of the same manufacturer; always confirm with technical specs.

FAQ Section

Q1: Can I repair a leaking rear suspension cylinder?
A: Minor leaks can sometimes be fixed by replacing seals, but severe damage usually requires a full cylinder replacement.

Q2: How long do rear suspension cylinders last?
A: With proper maintenance, hydraulic rear suspension cylinders can last 5–8 years or more, depending on usage and load conditions.

Q3: Can I mix OEM and aftermarket parts?
A: It’s possible, but for optimal performance and safety, OEM or high-quality compatible aftermarket parts are recommended.

Q4: How do I know the correct cylinder for my machine?
A: Check your machine’s service manual or serial numbers, and match the part number with manufacturer specifications.

Q5: Can worn suspension cylinders affect machine safety?
A: Absolutely. Faulty cylinders can reduce stability, increase wear on other components, and potentially cause accidents.