PALCO PMG-3 heavy duty grease protects mining equipment under heavy loads and wet conditions. Explore its benefits and enquire for bulk supply.
It is the middle of the monsoon at a stone quarry. Rain has turned the haul road into thick, red mud. A bulldozer pushes rock all morning, a loading shovel fills dumper after dumper, and every pin, bush, and bearing on these machines is taking a beating from load, shock, and water.
For the site’s maintenance crew, this is the real test of a grease. Can it stay in place when water keeps splashing in? Can it survive the jolts when a bucket bites into rock? And can it last long enough that the machines are not stopped every few days for regreasing?
For mining and construction fleets, choosing the right heavy duty grease for mining equipment is essential for protecting pins, bushes, and bearings from heavy loads, shock, and wet operating conditions. PALCO PMG-3 is a multipurpose NLGI 3 grease designed for demanding automotive and industrial applications.
PMG-3 Grease from Palco is a multipurpose grease built for precisely this kind of work. This article explains what it is, how it works, and why it suits heavy equipment in tough Indian conditions.
What Is PMG-3? A Multipurpose Grease for Heavy Equipment
PMG-3 is a premium NLGI 3 multipurpose gel grease made by Paras Lubricants Limited under the PALCO brand. It is manufactured using high-quality base oils and fortified with modern performance additives. It has a distinctive crimson red gel appearance.
Three things define it:
- A multipurpose design, recommended for both automotive and industrial use
- A proprietary thickener, developed by Palco to give the grease its gel structure
- A cleaner formulation, free from heavy metals, nitrites and other hazardous chemicals
PMG-3 meets IS 12203-1993 (reaffirmed 2006) NLGI-3 specifications. IS stands for Indian Standard, the national standard published by the Bureau of Indian Standards.
PMG-3 is an NLGI 3 grade grease. Its key published characteristics are:
- Appearance: Crimson red gel.
- Worked Grease Consistency: 220–250 (0.1 mm units, at 25°C, after 60 double strokes).
- Minimum Drop Point: 180°C.
- Thickener: Proprietary thickener.
- Base Oil Viscosity: 140 cSt at 40°C.
How This NLGI 3 Multipurpose Grease Works
A grease has a simple job that is surprisingly hard to do well: keep a thin layer of oil between moving metal parts, no matter what the machine is going through.
Oil held in a gel
Every grease is made of oil held in a thickener. In PMG-3, a proprietary thickener holds the base oil in a smooth gel. When a part moves, the gel releases oil to the contact surfaces. When it stops, the grease stays where it was put.
What NLGI 3 means, in one line
NLGI 3 means the grease is firmer than the common NLGI 2 grade, so it resists softening and being squeezed out of heavily loaded joints.
On a bulldozer or a scraper, where parts are constantly pressed and jolted, that firmness helps the grease stay inside the joint instead of oozing out.
Stability under pressure
“Mechanical stability” sounds technical, but it simply means the grease keeps its texture even after being worked hard. PMG-3 offers excellent mechanical stability under high loading conditions, so it does not break down into a runny mess.
Resistance to heat and ageing
Heat and air slowly age any grease, a process called oxidation. PMG-3 has excellent thermal and oxidation stability, which helps it keep protecting parts for longer.
For machines that run through long, hot days, this helps the grease avoid hardening or breaking down early.
Key Features and Benefits of PMG-3 Grease
Longer gaps between re-greasing
PMG-3 is formulated to extend the re-lubrication interval up to 100,000 km under ideal road conditions.
Real intervals will always depend on the site, the load and the equipment maker’s advice. But fewer greasing stops mean more working hours for every machine.
Built for continuous heavy loads and shock
PMG-3 is specially suited to components that face continuous heavy loads and shock loading. Think of a loading shovel hitting a rock pile or an off-highway truck bouncing over a rough haul road.
Works in wet and moist conditions
PMG-3 offers good water resistance and protection against water washout, making it suitable for applications exposed to moisture. For sites that work through the monsoon or machines that are hosed down at the end of a shift, this is a real advantage.
Rust and corrosion protection
Anti-rust properties help protect metal surfaces from the damage that water and moisture can cause. Palco also describes the grease as oxidation- and corrosion resistant.
A cleaner choice
PMG-3 is free from heavy metals, nitrites, and other hazardous chemicals. This formulation may be relevant to businesses reviewing the chemical composition of the lubricants used at their sites and workshops.
A wide working temperature range
PMG-3 has an application temperature range of -20°C to 140°C, covering everything from cold winter mornings in the north to hot summer days in central India.
Heavy Duty Grease for Mining Equipment: Key Applications
Mining and construction sites
PALCO PMG-3 is a multipurpose grease for mining and construction equipment, including bulldozers, loading shovels, scrapers, and off-highway trucks. When selecting heavy duty grease for mining equipment, consider the heavy loads, shock loading, moisture, and operating conditions that greased components face on site.
On these machines, a single dry pin can lead to worn bushes, loose linkages and costly repairs. Regular greasing with a firm, water-resistant grease helps prevent that chain of damage.
Off-highway heavy vehicles
Off-highway trucks and similar heavy vehicles work on unpaved, uneven ground. A firm, water-resistant multipurpose grease helps their greased components cope with the constant shocks of this terrain.
Their wheel bearings and other friction points face the same story: heavy loads, constant jolts and plenty of dust and water.
Bearings and friction points in general machinery
Beyond the site, PMG-3 is suitable for rolling bearings, sliding bearings, wheel bearings and other friction points of general mechanical equipment. For a workshop or plant, that means one multipurpose grease can cover many greasing points.
Why Choose PALCO PMG-3 Grease?
Paras Lubricants Limited was incorporated in 1985 and brings more than 41 years of experience in lubricants. Its head office is in Delhi; it has a western office in Mumbai, and its lubricants are manufactured at its plant in Daman.
Palco offers more than 1,500 products across automotive oils, industrial oils, greases, and auto care and exports to more than 25 countries. Its manufacturing follows ISO 9001-certified quality management systems, and every batch is checked in Palco’s in-house R&D lab before dispatch.
PMG-3 is available in 180 kg, 18 kg, 10 kg, 7 kg, 5 kg, 3 kg, 2 kg, 1 kg and 500 g packs, from a drum for a large mining fleet to a small tin for a local workshop. Palco’s engineers can also recommend the right grade and pack size for a specific application.
For contractors and mine operators, a familiar Indian manufacturer with a wide choice of pack sizes makes it easier to keep the right grease in stock at every site.
Heavy Equipment Greasing and Maintenance Tips
A good grease works best when it is used well. These general tips apply to most heavy-equipment greasing. The equipment maker’s recommendations should always come first.
Choosing the Right Grease for Mining Equipment
Check the machine’s manual for the recommended grade and greasing schedule. Then think about the real conditions on site: load, shock, water, dust, and temperature. PMG-3 suits heavy loads and wet conditions within its -20°C to 140°C application range.
Greasing on site
- Wipe each grease nipple clean before connecting the gun, so mud and grit are not pumped into the joint.
- Avoid mixing different greases. When switching, purge out as much old grease as practical.
- Grease pins and bushes until fresh grease appears, but do not overfill bearings.
- Keep grease guns clean and covered between uses.
Proper Grease Storage and Handling
On a dusty site, storage matters. Keep containers closed and under cover, away from rain and direct sun. Use a clean scoop or pump and wipe the lid before opening a bucket or drum.
Inspecting Greased Joints
During daily checks, look for dry joints, leaking or discoloured grease, unusual noise or parts running hot. Adjust the greasing interval to how hard the machines actually work.
A simple greasing log, noting which points were greased and when, makes it easier to spot joints that dry out faster than others.
On a busy mine or construction site, grease is one of the smallest costs and one of the biggest factors in uptime. PMG-3 combines a firm NLGI 3 consistency, a proprietary gel thickener, water resistance, and strong stability under load to keep heavy equipment greased and working. Explore PALCO’s range of automotive greases for other lubrication requirements.
For bulldozers, shovels, scrapers, off-highway trucks, and general machinery working under heavy loads and wet conditions, PALCO PMG-3 is a multipurpose grease worth considering. Visit the PMG-3 product page for product details and technical information. Contact PALCO for product specifications and bulk supply enquiries.