Volvo CE Winter Storage Guide: Protect Your Equipment from C

Why Winter Storage Matters for Volvo CE Equipment

Extended cold-weather storage without proper preparation causes preventable damage worth thousands of dollars. Frozen coolant splits radiators and engine blocks. Battery discharge leaves machines unable to start for weeks. Condensation in fuel tanks breeds microbial contamination. Hydraulic seals harden and leak in the first spring warm-up. A correct winter storage procedure takes 3–4 hours per machine and prevents all of these issues. → Winter prep consumables and batteries stocked at VMP Spares for immediate dispatch.

Pre-Storage Service: Complete Checklist

Perform all of these tasks before parking the machine for winter. Do not skip the service items — fresh oil and coolant protect better than old contaminated fluids over long storage periods:

Task	Detail	Priority
Engine oil change	Acid in old oil attacks bearings during storage — always use fresh oil	CRITICAL
Coolant system check	Test freeze protection: must protect to at least -35°C / -31°F	CRITICAL
Fuel tank fill to 95%	Prevents condensation — use good quality diesel, add biocide	CRITICAL
Fuel filter replacement	Fresh filter ensures clean start-up in spring	HIGH
Hydraulic oil filter	Replace if >1000h since last change	MEDIUM
Full grease of all points	Displaces water and prevents corrosion at all pivot pins	HIGH
Battery disconnect or maintainer	Prevents discharge or connect tender for continuous float charge	CRITICAL
Cleaning machine externally	Dirt traps moisture — wash and allow to dry fully before storage	HIGH

Need winter prep consumables? Engine oil, coolant, fuel biocide additive and battery tenders — we supply Volvo-compatible consumables for your fleet. WhatsApp us.

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Coolant System: Freeze Protection

Volvo CE machines use ethylene glycol coolant mixed with water. The standard factory mix is 50/50 which protects to approximately -37°C. In extreme cold climates (below -40°C), use 60% glycol — but never exceed 70% glycol as it actually reduces freeze protection and heat transfer. Always use Volvo-approved OAT (Organic Acid Technology) coolant or equivalent. → Cooling system parts available at VMP Spares:

Glycol Concentration	Freeze Protection	Boiling Point
33% glycol	–17°C / 1°F	109°C / 228°F
50% glycol (standard)	–37°C / –34°F	108°C / 226°F
60% glycol (cold climates)	–52°C / –62°F	111°C / 232°F
70% glycol (maximum)	–55°C / –67°F	113°C / 235°F
Do NOT exceed 70%	Reduced freeze protection	Risk of silicate dropout

Battery Care During Cold Storage

A fully charged battery withstands temperatures down to –70°C, while a discharged battery freezes at 0°C. During storage, self-discharge occurs even with machines off — and cold temperatures slow down chemical reactions, making weak batteries even less effective. Three approaches to winter battery management: disconnect and store warm, connect to a float charger/maintainer, or replace if capacity is below 70%. → Volvo CE batteries and chargers:

Battery State	Self-Discharge Rate	Freeze Point	Action
Fully charged (1.265 SG)	3–5% per month	–70°C	Safe — monitor monthly
75% charged	5–8% per month	–27°C	Connect maintainer
50% charged	High	–18°C	Charge immediately or remove
Discharged	Very high	0°C	FREEZE RISK — replace

Fuel System: Preventing Diesel Gel and Microbial Growth

Two winter fuel problems affect stored Volvo CE machines: diesel gelling (wax crystallization that blocks filters at low temperatures) and microbial growth (fungal and bacterial contamination in fuel-water interface). Both are preventable with the right additives and procedures:

Issue	Cause	Prevention	Cure
Diesel gelling	Paraffin wax crystallises below cloud point	Use winter diesel (–24°C CFPP); add cold flow improver	Warm machine, replace gel-blocked filters
Microbial growth	Water in fuel creates habitat for bacteria/fungi	Fill tank to 95%; add biocide treatment	Shock treat with biocide; replace filter
Water condensation	Temperature cycling in partial tank	Keep tank full — minimises airspace	Drain water separator; add biocide
Filter ice	Water droplets freeze at filter	Use fuel heater (standard on cold climate models)	Warm filter; drain water

Hydraulic System Storage

Hydraulic cylinders left partially retracted expose the polished rod to corrosion over winter. Seals in fully extended or retracted positions can take a permanent set. Cold-hardened seals are a major source of hydraulic leaks on spring start-up. → Hydraulic seal kits if spring leaks appear:

Hydraulic Storage Task	Instructions
Boom/arm/stick position	Lower boom and arm to ground — minimises exposed cylinder rod
Bucket position	Curl bucket down, teeth on ground — protects bucket cylinder
Hydraulic oil check	Verify level and condition — replace if dark or contaminated
Hydraulic tank breather	Check desiccant breather — replace if saturated (colour change)
Cycle seals monthly	If accessible: briefly cycle all cylinders once per month during storage

Spring Start-Up After Winter Storage

Step	Action	What You’re Checking
1	Visual walkaround — inspect for rodent damage, hydraulic leaks, tyre/track condition	Catch problems before starting
2	Check engine oil level — add if needed	Oil may have drained from filter during storage
3	Check coolant level and freeze protection	Top up if low; test with refractometer
4	Check batteries — voltage should be >12.4V per battery	Charge or replace if below 12V
5	Crank engine without starting (disable fuel/ignition) for 10 seconds	Pre-lube bearings with oil pressure before combustion
6	Start and idle for 10 minutes — watch temperature, pressure gauges	Allow oil to reach full operating temperature
7	Cycle all hydraulic functions slowly through full range	Check for leaks; seal spring-back usually resolves with cycling
8	Check and adjust track tension if tracked machine	Cold and storage affects recoil spring pre-load