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By: Sammuel MacMullin – Proven Mining Solutions Inc. If you spend enough time around heavy equipment, you hear the same phrase all the time: “It’s just a small leak.” A damp fitting, a light oil mist around a hose, or a drip on the belly pan might not seem like a big deal at first glance. Machines operate in harsh environments, and small leaks can feel inevitable. But the reality is this : small leaks are usually early warnings of much larger problems. Catching and correcting

By: Sammuel MacMullin – Proven Mining Solutions Inc. Undercarriage is one of the largest operating costs on any tracked machine. It is also one of the most misunderstood. People talk about rails, rollers, sprockets, and idlers like they are just chunks of steel bolted together. In reality, an undercarriage is a carefully engineered system of different metals, heat treatments, surface hardness, and wear relationships , all designed to wear at predictable rates. Winter does not

By: Sammuel MacMullin – Proven Mining Solutions Inc. Most people think cooling systems are a summer problem. Radiators. Fans. Overheating. High ambient temperatures. But winter is just as hard: sometimes harder: on cooling systems. The difference is that winter failures usually look subtle at first, and by the time they are obvious, damage has already started. Cooling systems do not just remove heat. They control temperature stability. And in winter, stability is harder to ma

By: Sammuel MacMullin – Proven Mining Solutions Inc. Hydraulic systems do not fail loudly in winter. They complain quietly first. A little hesitation. A little noise. A function that feels “off” for the first ten minutes. Then one morning, the pump screams, a seal lets go, or a valve sticks hard enough to shut the day down. Winter rarely breaks hydraulic systems suddenly—it exposes every weakness they were already hiding. 🛢 What Cold Does to Hydraulic Oil Hydraulic oil is de

By: Sammuel MacMullin – Proven Mining Solutions Inc. ❄ Cold weather does not usually cause starting and charging failures it simply exposes everything that was already on borrowed time. The battery that “worked fine last fall.” The cable that “still looks okay.” The starter that “has always cranked a bit slow.” Winter shows up, drops the temperature, and quietly asks one question: Is your electrical system actually healthy or just getting by? 🔋 Battery Chemistry in the Cold

By: Sammuel MacMullin – Proven Mining Solutions Inc. If there is one phone call that reliably spikes between Christmas and New Year’s, it is not about emissions, hydraulics, or batteries. It is fuel. The machine ran fine yesterday. It fueled up last week. The filters were just changed. It cranks, maybe fires for a second, then dies. Or worse, it runs for ten minutes, starts starving, and quietly shuts itself down in the middle of nowhere. Welcome to winter diesel fuel. Cold w

By: Sammuel MacMullin – Proven Mining Solutions Inc. Winter hits hard across Western Canada and anywhere cold enough to make diesel equipment groan in the morning. Whether you are running heavy iron in Alberta, northern B.C., Saskatchewan, or working remote up north, one thing does not change: as temperatures fall, Tier-4 emissions systems suddenly become the single biggest source of downtime, derate, and “we need a mechanic” moments. Operators dislike DEF, mechanics tolerate

By: Sammuel MacMullin – Proven Mining Solutions Inc. When temperatures drop to –30 °C (or lower), electrical problems quickly become one of the most common reasons machines refuse to start or randomly shut down. Modern heavy equipment does not simply need cranking—electrical reliability determines whether systems boot, modules communicate, and engines are even allowed to start. Cold weather does not “weaken electricity,” but it drastically changes electrical requirements: b

By: Sammuel MacMullin | Proven Mining Solutions Estimated Read Time: ~13–15 minutes ❄️ Winter’s Most Dangerous Fluid Isn’t Oil — It’s Water in the Air Hydraulic systems get most of the winter attention. But in deep cold, air systems quietly become the highest-risk system on the machine. At –30°C: Hydraulic oil thickens Rubber stiffens Mechanical components contract But air does something far worse — it freezes solid. And when air freezes: Brakes do not release Parking brakes

By: Sammuel MacMullin | Proven Mining Solutions Inc. Estimated Read Time:  ~12–14 minutes ❄️ Introduction: Winter Is the Ultimate Stress Test for Rubber Cold weather changes everything about how rubber behaves. At –30°C, hoses stiffen, seals shrink, and rubber behaves more like plastic than rubber. That’s why winter brings leaks, blown hoses, and premature wear. This week we break down exactly why  rubber behaves this way — and what you can do to prevent failures. 🧪 1. The S

By: Sammuel MacMullin | Proven Mining Solutions Inc. 🧊 Cold Oil Doesn’t Flow — It Fights Back Engines get all the attention in winter, but the hydraulics are what quietly take the beating. Cold hydraulic oil thickens, flow slows, pressures spike, and pumps cavitate. A pump doesn’t fail in one moment — it fails one cold morning at a time. That’s why winter hydraulic warm-up isn’t optional; it’s essential. 🛢️ Why Cold Oil Is Hard on Hydraulics As temperature drops: Viscosity

By Sammuel MacMullin | Proven Mining Solutions Inc. 🛞 Tires — One of the Highest Operating Costs in the Fleet Undercarriage and tires are two of the biggest expenses in any operation. A failed tire is never just a tire — it’s lost production, idle equipment, a rushed recovery, and sometimes a tow bill you wish you could forget. Smart tire management isn’t complex — it’s about attention and discipline. 🌡️ Tire Temperature Tells a Story Temperature is a fast, accurate i

By Sammuel MacMullin | Proven Mining Solutions Inc. ❄️ When the Cold Shows Up, Be Ready for It Winter doesn’t gradually introduce itself — one day it’s cool, the next morning everything is frozen solid. Machines are stiff, batteries drag, hydraulics are slow, and oil moves like honey. A well-prepped fleet runs  through winter. A poorly prepped fleet spends half the morning trying to start. Winter prep is about: Protecting people Protecting equipment Protecting uptime 🧊 Why C

Sammuel MacMullin | Proven Mining Solutions Inc. Brakes don’t usually get much attention — until they fail. Whether you’re running haul...

By Sammuel MacMullin | Proven Mining Solutions Inc. 🛢️ Grease Points – The Spots Everyone Forgets Grease is cheap. Failures from lack of...

By Sammuel MacMullin | Proven Mining Solutions Inc. ❄️ Fuel System Maintenance for Cold Weather Cold weather doesn’t just make operators...

By Sammuel MacMullin | Proven Mining Solutions Inc. ⚡ Electrical Gremlins – Diagnosing Intermittent Power Issues Few things test a...

By Sammuel MacMullin | Proven Mining Solutions Inc. 1) Main Blog Post ❄️ Coolant Systems – More Than Just a Jug of Red Stuff Ask most...

By Sammuel MacMullin | Proven Mining Solutions Inc. 🚶 Daily Walk-around Inspections That Actually Matter Before a machine moves an inch,...

By Sammuel MacMullin | Proven Mining Solutions Inc. Tracked equipment is the workhorse of mining, construction, and pipeline projects....