In agriculture and mining, every hour of uptime matters. Machines that fail to communicate
properly with their instruments can cause wasted time, higher costs, and even dangerous
situations. The Bolec DB1-128 was designed specifically to solve a
common but often overlooked problem: weak or mismatched engine signals that prevent
tachometers, speedometers, or controllers from reading correctly.

Why Signal Issues Cost You Money

Imagine you’re running a tractor in the field or a dozer
at a mining site. If the tachometer (RPM gauge) or speed sensor isn’t reading correctly:

• You may overwork the engine without realizing it, causing wear and tear.
• Fuel consumption may go up, because the engine isn’t running at the optimal speed.
• Maintenance schedules become unreliable — you can’t plan servicing if the data is wrong.
• Breakdowns happen sooner, costing you downtime and expensive repairs.

By installing the DB1-128, you ensure accurate readings. That means:

• Engines run within safe limits.
• Fuel use is optimized.
• Unexpected breakdowns are minimized.
• Your equipment lasts longer, reducing capital replacement costs.

How the DB1-128 Works (No Technical Degree Required)

Many people in agriculture and mining are experts in operating machines,
but not in electrical systems. That’s why we’ll keep this simple.

Engines produce signals when they spin. These signals can be:

• From a magnetic pickup (a sensor near a spinning gear)
• From the alternator
• From the ignition system

The problem? These signals are often too weak or the wrong “frequency” for your instrument.
The DB1-128 acts like a translator:

• It boosts the weak signal so your gauge can see it.
• It can divide the signal frequency (by 2, 4, 8, and more) so it perfectly matches
  the instrument’s needs.

The result: your tachometer or speedometer finally works the way it should — no flickering,
no dead readings, no guessing.

Real-World Applications in Agriculture

Tractors and Harvesters

Modern tractors often combine old and new equipment. Maybe you’ve upgraded your
dashboard or installed aftermarket instruments. Without the DB1-128, the new gauge
may not read the old sensor properly. With the DB1-128 in place, everything lines up.

Sprayers and Spreaders

Machines that rely on ground speed or RPM for accurate application of fertilizer,
herbicides, or seeds can waste product if the signal is off. The DB1-128 keeps
readings accurate, so your fields get the right treatment and your budget goes further.

Diesel Generators on Farms

Many farms use diesel generators as backup or for irrigation pumps. Signal mismatches
on these engines can make it hard to monitor RPM. The DB1-128 ensures accurate data,
reducing costly generator repairs and keeping the water flowing.

Real-World Applications in Mining and Construction

Dozers and Loaders

In mining, heavy dozers and wheel loaders run long hours under extreme conditions.
If their tachometers don’t read correctly, operators may push the engine too far.
Over time, that’s an expensive mistake. The DB1-128 gives the gauges a clean, reliable
signal so engines are protected.

Mining Trucks

Gigantic dump trucks move tons of ore every hour. Fuel alone is a major cost.
With accurate engine speed data (thanks to the DB1-128), operators can drive
more efficiently, saving thousands of dollars in fuel each year.

Excavators and Cranes

Safety depends on knowing that machines are operating within correct limits.
A misreading tachometer can mean overstressed engines and risky situations.
By cleaning up the signal, the DB1-128 helps keep operations safe and productive.

The Economic Advantage

Let’s be direct: the DB1-128 pays for itself quickly. Here’s how:

• Reduced repairs: Engines and gearboxes last longer when operated
  within correct limits.
• Lower fuel bills: Running at the optimal speed saves fuel
  on every shift.
• Less downtime: No waiting for a machine to be repaired because
  of avoidable wear.
• Longer equipment life: Postponing the purchase of new machinery
  saves huge capital costs.

Easy Installation with Full Support

You don’t need to be an electrical expert to use the DB1-128. Many customers simply
hand the unit to their local auto-electrician, who installs it in under an hour.

And if you have questions? Our Melbourne-based support team is here to help:

• Step-by-step wiring guidance
• Phone and email technical support
• Advice on matching the DB1-128 to your specific machine

Built in Australia, Trusted Everywhere

With over 40 years of experience in electronic design for harsh environments,
Bolec products are built to last. The DB1-128 is no exception: compact, rugged,
and ready for the field.