LM5 · Engine Oil Top-Off Reservoirs

Oil Reservoirs.
At the Engine.

Engine Oil Top-Off Reservoirs to maintain safe engine oil levels . Compact units inside the generator enclosure, or independent units mounted adjacent. Critical components for natural gas, turbine engines or extended run diesel units.

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5-500 Gallons

Shared technology

Designed for dependable engine lubrication.

01

Extended run time

Provides additional oil capacity for long-duration generator operation.

02

Automatic level control

Maintains the proper engine oil level with optional automatic controls and alarms.

03

Easy system integration

Designed to work with Earthsafe duplex pump systems and bulk oil storage tanks.

04

Factory engineered

Complete assemblies are factory built and tested for reliable field installation.

Choose your flow class

Sized to the tank in front of you.

Select the LM5 Engine Oil Reservoir that matches your engine oil capacity. Every reservoir is engineered to maintain proper oil level, extend engine run time, and integrate seamlessly with Earthsafe oil transfer systems.

LM5

Compact
5–500 Gallons (19–1890 L)

The Earthsafe LM5 Engine Oil Reservoir provides a dependable supply of lubricating oil for diesel generators, natural gas engines, and turbines. Designed for mission-critical standby power systems, the LM5 automatically maintains engine oil level while providing reserve capacity for extended run times and simplified maintenance.

Mounting Heavy-Duty Welded Steel
Best for Extended run, simplified maintenance
Flow range
Family span · 0–500 GPM
LM5 5–500 Gallons (19–1890 L)
0 125 250 375 500 GAL

Built for lube oil

Ready for extended runtime.

01

Store reserve oil

The reservoir stores clean engine oil adjacent to the generator or engine.

02

Maintain oil level

Oil is supplied to the engine as required to maintain the proper operating level.

03

Monitor performance

Optional switches and controls monitor oil level, alarms, and operating status locally or remotely.

04

Ready for continuous service

The reservoir remains ready for the next operating cycle, supporting reliable engine operation.

Earthsafe Power

Model comparison

The whole family, side by side.

Model Capacity Mounting Best for
LM5 Compact
5–500 Gallons (19–1890 L)
Heavy-Duty Welded Steel
Extended run, simplified maintenance

Available in multiple capacities · Heavy-duty welded construction · Automatic or manual level control · Custom configurations

Equipment & options

Configured for your install.

LM5 reservoirs are available in standard and custom capacities with multiple connection arrangements, controls, and mounting options to meet specific engine and facility requirements.

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Standard equipment
Heavy-duty welded steel reservoir
Sight level gauge
Fill, drain, and vent connections
Mounting brackets or base
Level instrumentation
Protective industrial coating
Factory leak and functional testing
Options
High and low level alarms
Automatic fill controls
Remote monitoring
Stainless steel construction
Custom sizes and connections
Integrated duplex pump package

Talk to an engineer

Planning for extended generator runtime?

Provide your engine model, required oil capacity, and run-time objective. Earthsafe engineers will recommend the appropriate reservoir and provide data sheets and submittal drawings.

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