Flat Rate Labor Guide: How Labor Times Work (2026)

A flat rate labor guide, also called a flat rate manual or labor time guide, lists the standard time a trained technician should need for each repair on each vehicle. Shops multiply that time by their labor rate to quote the job, and pay flat-rate technicians the same hours, however long the job actually takes. The main sources are MOTOR, ALLDATA, Mitchell 1 ProDemand and Identifix.

More on this topic: Running an auto repair shop, every guide in one place.

Below: where labor times come from and what the guides cost (checked 30 October 2026), how to turn guide hours into a quote, how to calculate flat rate hours and pay, and how to measure technician efficiency from the same numbers.

The short answer

Flat rate hours come from a labor guide such as MOTOR, ALLDATA, Mitchell 1 ProDemand or Identifix. The labor charge is guide hours times your labor rate: 2.5 hours at $140 is $350. A flat-rate technician is paid those 2.5 hours whether the job takes two hours or four. Efficiency is flagged hours divided by hours spent on jobs.

Key takeaways

• Guide time (also called book time) is the same for every shop using that guide; your labor rate is what makes the price yours.
• GM says third-party manuals such as ALLDATA and MOTOR are for estimating and aren't a substitute for its warranty labor times, which are timed step by step and carry a 21% allowance for unproductive time.
• Published prices on 30 October 2026: ALLDATA Repair $209 a month, Identifix Direct-Hit Professional $239 a month after two intro months, Mitchell 1 ProDemand from $204 a month on a 12-month lease. MOTOR doesn't show a shop price.
• Many shops get a labor guide inside their shop software instead: Tekmetric Grow, Shopmonkey Clever, Shop-Ware Pro and AutoLeap Pro all include one.
• Flat rate pay still owes overtime at most independent shops: under 29 CFR 778.111 the regular rate is the week's earnings divided by hours worked.

Disclosure: we make BayRobin, an AI receptionist and front office for independent repair shops, and show where it fits. Everything here works without it. Figures from other companies come from their public pages, checked in October 2026 and linked at the end.

What is a flat rate labor guide?

It's a book or database of labor times: for each vehicle and each operation (replace front brake pads, replace water pump), the hours a trained technician with the right tools should need. Shops call it the flat rate manual, the labor guide or simply "book time". The times are "flat" because the shop charges, and often pays, the listed hours rather than the clock.

Guide times for customer-pay work aren't the same as manufacturer warranty times. GM's TechLink (26 November 2025) says GM warranty times are set by timing each step of the service procedure, carry a 21% markup for unproductive time such as reading literature, getting special tools and vehicle age, and that third-party manuals like ALLDATA and MOTOR are for estimating and "not intended as a substitute for GM warranty labor times". If you do warranty work, the automaker's times apply; for everything else you pick a guide.

Where do labor times come from, and what do labor guides cost?

From the vendors' own pages on 30 October 2026:

We didn't find a current published price for a printed MOTOR or Chilton labor manual on a vendor page, so we don't quote one. The shop-software figures and what else each tier includes are in Tekmetric pricing, Shopmonkey pricing and auto repair shop software pricing 2026.

How do shops use labor times to quote a job?

Labor charge = guide hours × your posted labor rate. Add the hours for every operation on the repair order, plus diagnostic time, then multiply once. An illustration (the hours are made up, not from any guide):

Two adjustments matter. When two jobs share the same disassembly, don't charge it twice: check how your guide handles overlapping operations. And when a car is rusted, modified or missing parts, note the extra time on the estimate before the customer approves it. The guide gives the hours; setting your labor rate from your own costs decides what they're worth, and Tekmetric's Shop Index puts the national average effective labor rate at $134.92 (data through June 2026).

How do you calculate flat rate hours?

1. Look up each operation on the repair order in your labor guide for that exact vehicle.
2. Add the hours, less any overlap, plus diagnostic time; that total is what the repair order "flags".
3. When the job is done, credit the flagged hours to the technician who did it (split them if two worked on it).
4. For the week, add each technician's flagged hours from completed repair orders.
5. Pay = flagged hours × the technician's flat rate per hour, then check overtime and minimum wage.

An illustration: a technician flags 46.5 hours in a week at $30 a flagged hour and is clocked in for 42 hours. Pay is 46.5 × $30 = $1,395. Under 29 CFR 778.111 the regular rate is $1,395 ÷ 42 = $33.21, and the 2 overtime hours add half that rate each, $33.21 in all, for $1,428.21. The automobile-dealer overtime exemption covers businesses that sell vehicles, not independent repair shops; see flat rate vs hourly pay. In California, piece-rate ("book rate") technicians must also be paid separately for rest periods and nonproductive time under Labor Code 226.2. The free flat-rate technician pay calculator runs these numbers for you.

How do you measure technician efficiency with flat rate hours?

Use the same flagged hours against two clocks: hours spent working on jobs and hours clocked in.

A 2000 MOTOR magazine article gave 125% as an efficiency benchmark and 90% for productivity; AutoVitals (2023) suggests aiming above 100% efficiency and around 80% productivity. Efficiency above 100% means the technician beats book time. Low efficiency points to skill, tools or how the job was priced; low productivity usually means waiting on parts, approvals or cars. More in technician efficiency vs productivity, and try the technician efficiency calculator.

Which labor guide should a shop use?

• If you already pay for shop software, check whether your tier includes a labor guide before buying a second one.
• If your technicians need wiring diagrams and procedures as well as times, compare ALLDATA, ProDemand and Identifix on the same three vehicles you see most.
• Pick one guide for the whole shop, so quotes and technician pay use the same hours.
• Compare month-to-month subscriptions (ALLDATA, Identifix) with 12-month leases (Mitchell 1) before you sign.

Frequently asked questions

What is a flat rate manual?

Another name for a flat rate labor guide: a book or database that lists the standard hours for each repair on each vehicle. Shops charge, and often pay technicians, those listed hours rather than the time on the clock.

How do you calculate flat rate hours?

Look up each operation in your labor guide, add the hours (less any overlap, plus diagnosis), and that total is the job's flat rate hours. A technician's weekly flat rate hours are the sum across their completed repair orders.

How do you calculate flat rate pay?

Flagged hours times the technician's flat rate: 46.5 hours at $30 is $1,395. Then check overtime: divide pay by hours worked for the regular rate and add half that rate for each hour over 40.

How much does a labor guide cost?

As of 30 October 2026: ALLDATA Repair $209 a month, Identifix Direct-Hit Professional $239 a month after two $219 months, and Mitchell 1 ProDemand from $204 a month on a 12-month lease. MOTOR doesn't publish a shop price; many shops get MOTOR times inside their shop software.

Are labor guide times the same as warranty times?

No. GM, for example, says its warranty times come from timing each step of the procedure, with a 21% allowance for unproductive time, and that third-party guides like ALLDATA and MOTOR are for estimating.

Is there a flat rate manual calculator?

A calculator can do the arithmetic (hours times rate, pay, overtime and efficiency), but the hours themselves come from a labor guide. Our free flat-rate pay and technician efficiency calculators handle the arithmetic.

Where BayRobin fits

BayRobin doesn't include a labor guide. You set the hours and price on your own canned jobs at your labor rate, and repair orders are built from those canned jobs, while the AI receptionist answers and books the calls your advisor can't take. BayRobin is free until your first 10 booked jobs, no card up front. Start free or see pricing.

Related: flat rate vs hourly technician pay, technician efficiency vs productivity, how to set your labor rate, technician efficiency calculator, flat-rate technician pay calculator.

Sources

Competitor details in this post were checked against these public pages in October 2026. Products and prices change, so confirm with each vendor before you decide.

• GM TechLink: Questions About Labor Times? (26 November 2025) (checked 30 October 2026)
• ALLDATA Repair: product and price (checked 30 October 2026)
• Identifix store: Direct-Hit plans and prices (checked 30 October 2026)
• Mitchell 1 store: ProDemand leases (checked 30 October 2026)
• MOTOR Information Systems: labor time guides (checked 30 October 2026)
• Tekmetric: pricing (labor guide from Grow) (checked 30 October 2026)
• Shopmonkey: pricing (MOTOR parts and labor from Clever) (checked 30 October 2026)
• Shop-Ware: packages (MOTOR labor guide from Pro) (checked 30 October 2026)
• 29 CFR 778.111: overtime for pieceworkers (Cornell LII)
• U.S. Department of Labor Fact Sheet #11: automobile dealers under the FLSA
• California Labor Code 226.2: piece-rate pay
• MOTOR magazine (December 2000): Selling Diagnostic Time Profitably, by Bob O'Connor (PDF)
• AutoVitals: calculating technician efficiency in your auto repair shop (October 2023)
• Tekmetric Shop Index (data through June 2026)