🔧 Workshop Payroll & Gross Profit Protection• 8 Min Read• Updated 2026-11-14

How to Structure Auto & Motorcycle Mechanic Commissions (Labor % vs. Parts Flat Fee) Without Margin Leakage

Learn the 4-bucket workshop commission formula covering Labor, Parts/Fluids, Prepaid Member Redemptions, and Lounge Add-Ons—complete with automated advance (kasbon) deductions.

Key Shop Owner Takeaway

Paying a flat 35% commission on total invoice value destroys shop profit whenever expensive tires, batteries, or synthetic oils are installed. Separating labor percentage shares from fixed part-installation incentives protects your parts cost (HPP).

1. Separate High-Margin Labor from Thin-Margin Spare Parts

Pure labor jobs like CVT servicing, brake bleeding, or full interior detailing carry 85%–95% gross margin, making a 30%–40% technician revenue share sustainable and motivating.

By contrast, car batteries, tires, and OEM brake pads carry high wholesale cost. Assigning a fixed per-unit installation fee ensures technicians are rewarded for thorough inspections without eroding part margins.

  • Labor (`jasa_servis`): Percentage share (e.g., 30%–40%) or flat per-vehicle rate.
  • Parts & Oil (`sparepart_oli`): Fixed installation bonus so wholesale part cost stays protected.
  • Prepaid Member Visits (`package_redemption`): Credits the technician using `packageSessionValue` even when cashier checkout is $0.
  • Advance (`Kasbon`) Deduction: Automatically deducts staff advances from weekly gross commissions.

Ready-to-Use Shop Checklist

  • Configure separate Labor and Parts commission rules per technician profile.
  • Set `packageSessionValue` on every multi-visit wash or oil-change bundle.
  • Record staff cash advances immediately so weekly net payouts stay accurate.

Frequently Asked Questions

Can we override commission on a custom engine rebuild ticket?

Yes, every BengkelOS order supports an optional `commissionOverride` value for special custom jobs while keeping standard tickets 100% automated.

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