Software for the yard running excavator breaker attachments.

A hydraulic breaker is the attachment a rental yard hangs on an excavator when a job hits rock, caliche, or concrete that a bucket cannot move. It turns the carrier's hydraulic flow into repeated impact, and it is the difference between digging a trench through hardpan and giving up on it. That power is also what makes a breaker hard to run as a rental asset. It only works on a carrier the right size — too big and the machine is unstable, too small and the hammer gets abused — and the single most common way a renter wrecks one, blank firing, leaves no mark until the tool and bushing are gone. EquipFlow runs breaker attachments the way the yard that built it does: carrier-matched dispatch, billing, maintenance, and return inspection on one record per unit.

Built inside Rental King, right now.

Rental King is a heavy-equipment rental yard in Odessa and Midland, TX. They run excavator breaker attachments, manlifts, forklifts, light towers, generators, compressors, and water trucks on MSA contracts through the Permian Basin — 24/7, oilfield pace. EquipFlow was designed and first deployed inside that yard. Every feature was tested against their live operation before it shipped. The product runs there today.

Breakers are low-glamour, high-abuse attachments, and that is exactly where a yard loses money quietly. A hammer goes out earning an MSA rate, sits half the job pinned to the stick while the operator runs the bucket, and comes back with a mushroomed tool and a tired nitrogen charge that nobody charged for. The hour meter is the spine of both the billing and the very short greasing clock, so it has to be captured the same way every time — at return, on the inspection, against the rental record. When dispatch, billing, maintenance, and inspection all read from one unit record, the dispatcher confirms the carrier match and the right rate, the mechanic services against real impact hours, and the bookkeeper closes the month without rebuilding which jobs ran the hammer and which ones let it sit. That single-record discipline is what keeps a fleet of breakers from bleeding out one bushing at a time.

Excavator Breaker Attachment specs the rental record tracks.

Every number below is a sourced specification range. The render layer is the only path these values reach the page — they live on the unit record, not in a dispatcher's head.

Carrier weight class

11-120t

Impact energy class

2712-24407J

Impact rate

275-1000bpm

Required hydraulic oil flow

60-460L/min

Operating pressure

13000-18000kPa

Tool (chisel) diameter

100-215mm

Operating weight

950-7650kg

How EquipFlow handles excavator breaker attachments on the dispatch board.

The first thing the dispatch board checks on a breaker is the carrier. A hammer that is too heavy for the excavator makes the machine unstable and overworks the boom; one that is too light for the rock takes forever and gets abused into early failure. So the rental record carries the breaker's carrier weight class, and the dispatcher confirms the customer's excavator falls inside it before the truck leaves. The mount group is the other trap: a breaker built for one quick-coupler or pin-on bracket will not hang on a different machine, so the bracket, pins, and hydraulic lines go out confirmed against the order, not assumed. Because a breaker rides out attached to an excavator that may belong to the customer, the board tracks the attachment as its own line with its own hours, separate from any carrier the yard also rented.

Billing excavator breaker attachments — MSA, standby, and site-level tax.

Most breaker demand on the oilfield runs under an MSA, so the negotiated rate lives on the customer record per attachment class and applies to every rental created for that account — the dispatcher never keeps a rate sheet in their head. Standby matters more on a breaker than on most gear: the operator swaps back to the bucket for hours at a stretch, and the hammer sits on the ground or stays pinned to the stick earning nothing on active hours but still off the yard. The dispatcher marks standby at a separate rate and the invoice carries both lines. Delivery, pickup, and any spare-tool or chisel charges ride the same invoice. Tax jurisdiction is set on the delivery-site record, so a breaker that worked across more than one county bills the right rate per site. Invoices post to QuickBooks Online on close.

Maintenance on excavator breaker attachments.

Breaker maintenance lives on two clocks, and the tight one is unforgiving. The chisel needs grease on a very short interval — measured in a couple of hours of run time, not days — and a hammer run dry chews its lower bushing and tool in a single shift. The hour meter is the spine: it posts when the return inspection records it, and the maintenance module advances the service clock from that reading so PM is scheduled against real impact hours, not a calendar. The longer-cycle work is the nitrogen charge in the back head and accumulator, which bleeds down over time and saps impact energy if it is not topped, plus tie-rod torque checks, seal kits, and tool and bushing wear. Work orders, parts, and meter history live on the unit record, and a damage charge from a return inspection becomes a repair ticket on the same record.

Excavator Breaker Attachment return inspections.

Two inspection rhythms apply. The operator runs a pre-use check each shift — grease at the chisel, hose and coupler condition, retaining-pin wear, and no loose tie rods — and that check is the customer's responsibility while the breaker is on rent. The yard's own control is the return inspection. Before a breaker comes off rent, the driver runs a mobile-web checklist on a phone with no app install, captures the hour-meter reading, and attaches required photos that cannot be skipped. The breaker-specific checks matter here: the working tool for mushrooming and gouging, the lower bushing for wear, the retaining pins and tie rods, the back-head and accumulator for nitrogen integrity, and the hose ends and brackets for damage. The inspection ties to the rental record before the truck leaves the customer site, so a damage dispute carries photos and a timestamp.

Common excavator breaker attachment classes in the field.

The product, the same way it runs for excavator breaker attachments.

The sections below are the EquipFlow modules that matter most when running excavator breaker attachments — each links to the full feature detail.

Operator guides for running excavator breaker attachments.

Field-tested playbooks that go deeper on pricing, dispatch, billing, and maintenance for fleets like this.

• Choosing the Right Excavator Class for a Job →
• Documenting Equipment Condition at Checkout →
• Earthmoving Equipment Rental Basics →
• How Site-Level Tax Affects Rental Billing →

What you give up running excavator breaker attachments in EquipFlow.

EquipFlow is a web app, so the return inspection needs a signal to load. On a remote pad with no coverage the driver cannot finish the mobile inspection at the customer site; most yards run it at the yard on return instead, which means the photos and hour reading land later than ideal. There is no built-in telematics today, so impact-hour and fault data from a manufacturer portal is not pulled automatically — the hour meter is captured at return inspection. EquipFlow also does not measure nitrogen charge or tool wear for you; those stay operator and mechanic checks recorded on the inspection. And the rate logic is built around the MSA-and-standby model the oilfield runs on, so an unusual billing structure should come to the demo to be scoped.