
The Engine Oil Filter: A Field Guide to the Small Canister That Protects the Whole Engine If you read only the category-level numbers, the engine block and the turbo get all the attention, but the part…
The Track Idler: A Field Guide to the Undercarriage Wheel That Tensions and Guides the Track If you read only the category-level numbers, the tracks and the sprockets get the glory, but the part that actually…
The Swing Bearing: A Field Guide to the Turntable That Rotates the Upper Structure If you read only the category-level numbers, the undercarriage and the arm get all the attention, but the part that actually lets…
The Hydraulic Hose: A Field Guide to the Pressure Line That Moves the Machine If you read only the category-level numbers, the hydraulic system looks like a sealed loop of pipes, but the most failure-prone and…
The Engine Air Filter: A Field Guide to the Part That Guards the Combustion Chamber If you read only the category-level numbers, the air intake looks like a quiet line item on a machine that breathes…
The Fuel Filter: A Field Guide to the Part That Protects the Injection System If you read only the category-level numbers, the engine’s fuel system looks like a straight line from tank to injector, but the…
The Radiator: A Field Guide to the Part That Rejects the Engine’s Heat If you read only the category-level numbers, the cooling system looks like one line item among many on a machine that is growing…
The Engine Water Pump: A Field Guide to the Part That Keeps the Engine Cool If you read only the category-level numbers, the engine looks like one block of cost, but the cooling circuit is the…
The Hydraulic Cylinder: A Field Guide to the Part That Moves the Machine If you read only the category-level numbers, the hydraulic system looks like one line item among many – a slice of a 35-billion-dollar…
The Starter Motor: A Field Guide to the Part That Brings the Engine to Life If you read only the category-level numbers, electrical looks like one line item among many – a slice of a 35-billion-dollar…