There is a strategic version of this question, which is about where a machine sits in its life, and a tactical version, which is the one that actually gets asked. A machine is down, a quote has arrived, and somebody has to decide this week whether to authorise the work or stop spending on this asset. The tactical decision has different inputs from the strategic one and gets made under time pressure with a project waiting. It also has more than two answers, which is the part most often missed. You can work through your own decision framework in a free 30-minute session.
A Quote Has Arrived. Do You Authorise It?
The numbers to get before deciding on a specific repair, and the options that sit between fixing it and replacing it.
Four Numbers Before You Answer
Including labour, any related work the technician expects to find once it is open, and the downtime the repair itself consumes.
Watch for: quotes that cover the identified fault only, where the strip-down reveals more and the figure moves after approval.
Realistic current value in its present condition, not book value and not what a working example sells for.
Watch for: a repair approaching or exceeding the asset's value, which changes the question entirely.
Other components approaching the end of their life on this machine. Authorising one major repair on an asset with two more due is a different decision from authorising an isolated one.
Watch for: this being invisible unless inspection and defect history are actually recorded per machine.
Repair time including parts lead time, against how long a replacement or hired-in unit would take to arrive and be productive.
Watch for: assuming a replacement is immediate. Procurement and delivery on heavy equipment rarely are.
It Is Not a Binary Choice
Several options sit between authorising the repair and replacing the machine, and they are frequently the right answer.
Repair to a lower standard, deliberately
A minimum safe repair on a machine due for disposal within the year, taken as a conscious decision with a defined end date rather than by drifting into it.
Move the machine to lighter work
Many machines are uneconomic on demanding duty and perfectly adequate on secondary work. The failure may be telling you about the assignment rather than the asset.
Full rebuild of the failed system
Where the rest of the machine is sound, a proper rebuild often costs less per remaining hour than either a patch repair or a replacement.
Sell as it stands
A known fault disclosed honestly still has a market. Repairing before selling only makes sense if it recovers more than it costs, which it often does not.
Hire cover and defer the decision
Legitimate when the decision is genuinely close and more information is coming. It becomes expensive when used to avoid deciding at all.
Have the History When the Quote Arrives
Cost, defect, and repair history per machine, so the decision takes minutes rather than a week of assembling figures.
Three Reasoning Traps
Counting what has already been spent
Money spent on this machine last year is gone regardless of what you decide now. It feels relevant and it is not. The only question is cost from here.
Comparing a repair to nothing
A repair is expensive compared to no repair and often cheap compared to the alternative. Compare it to replacement or hire, not to zero.
Deciding on the loudest voice
The site wanting the machine back and the finance team wanting the spend avoided are both arguing from partial information. The machine's own history is what settles it.
Frequently Asked Questions
Is there a rule about repair cost versus machine value?
Rules of thumb exist and none survive contact with a specific case, because the answer depends on remaining life, what else is due, and what a replacement would cost and when it would arrive. Your own machine history is more useful than any ratio. You can work through a live case on a call with our team.
How do we handle a quote that moves after approval?
Agree a threshold at which work stops and the decision returns to you, before the strip-down begins. Discovering the revised figure once the machine is in pieces removes most of your options.
Should the site or the fleet team decide?
Whoever holds the cost consequence, informed by both. Sites optimise for availability and fleet teams for spend, and neither view is complete on its own.
What if we do not have the history to decide properly?
Then decide on what you have and start capturing, because this question recurs. The cost of not having history is paid every time it is asked.
How quickly should this decision be made?
Faster than most fleets manage, because the machine is down throughout. Having the numbers already assembled is what turns a week into an hour. Start with a free trial.
Decide From Here, Not From What It Already Cost
Get the complete quote, the machine's realistic current value, what else on it is close to failing, and the downtime on each path — then consider rebuild, reassignment, and sale alongside the obvious two answers.
