Sarah Jenkins, CEMP
Fleet Economics & Machinery Analyst
Certified Equipment Manager Specialist analyzing heavy construction equipment life cycles, operating cost economics, and fuel burn metrics.
Editorial Role
What Sarah Jenkins, CEMP Covers
Sarah Jenkins, CEMP contributes practical heavy equipment guidance focused on specs, maintenance intervals, diagnostic workflows, fleet operating costs, and model-to-model comparison decisions. Pages credited here are intended for equipment owners, fleet managers, mechanics, estimators, and buyers who need clear numbers before checking the final OEM manual or dealer documentation.
Technical pages are written to separate verified specification fields from editorial planning estimates such as fuel burn and hourly operating cost. Critical values such as lift capacity, transport dimensions, fluid specifications, torque values, and safety procedures should always be verified against the exact serial range and configuration.
Machine Coverage
Equipment Profiles Referenced by This Author
Published Technical Guides
Maintenance, diagnostics, fleet economics, and equipment comparison articles by Sarah Jenkins, CEMP.
Komatsu PC360LC-11 Operating Cost Per Hour: Fuel Burn, DEF, Tracks, Maintenance and Ownership
Komatsu PC360LC-11 cost per hour guide using fuel burn, diesel price, DEF, 500-hour maintenance, undercarriage reserve, utilization, dealer support, depreciation, and ownership assumptions.
Komatsu PC360LC-11 vs Cat 336: 36-Ton Excavator Specs, Fuel Burn and Ownership Comparison
Compare Komatsu PC360LC-11 vs Cat 336 from a fleet-buyer view: horsepower, operating weight, dig depth, bucket range, fuel burn estimate, dealer support, telematics, and ownership cost.
Bulldozer Undercarriage Cost Per Hour: Tracks, Rollers, Idlers, Sprockets and Ground Conditions
Estimate dozer undercarriage cost per hour by separating track chain, shoes, rollers, idlers, sprockets, packing, abrasive soil, slope work, reverse travel and inspection intervals.
Backhoe Loader Operating Cost Per Hour: Fuel, Tires, Brakes, Pins, Roading and Utilization
Estimate backhoe loader cost per hour by separating fuel burn, tires, brakes, stabilizer pads, loader and backhoe pins, bucket teeth, hydraulic service, roading, downtime and ownership.
John Deere 310 P-Tier Operating Cost Per Hour: Fuel Burn, Tires, Pins, Hydraulic Service and Ownership
John Deere 310 P-Tier operating cost per hour guide for utility crews, municipalities and owner-operators using fuel burn, tires, pins, hydraulic service, roading, utilization and ownership assumptions.
John Deere 310 P-Tier vs JCB 3CX: Backhoe Loader Specs, Dig Depth, Hydraulic Flow and Ownership Comparison
Compare John Deere 310 P-Tier vs JCB 3CX backhoe loaders by horsepower, operating weight, dig depth, pump flow, loader bucket, breakout force, road speed, dealer support and ownership cost.
Cat D6 Operating Cost Per Hour: Fuel Burn, Undercarriage, Blade Wear and Ownership
Cat D6 cost per hour guide using 7.8 gal/hr planning fuel burn, diesel price, LGP undercarriage reserve, blade wear, maintenance, utilization and ownership assumptions.
Cat D6 vs Cat D8 Dozer Comparison: Blade Capacity, Weight, Ground Pressure, Fuel Burn and Job Fit
Compare Cat D6 vs Cat D8 dozers by horsepower, operating weight, blade capacity, ground pressure, fuel burn, transport impact, grading fit and production dozing cost.
Hitachi ZX350LC-7H Cost Per Hour: Fuel, Tracks, Bucket Wear and Ownership
A practical Hitachi ZX350LC-7H cost-per-hour guide for mass excavation, truck loading, fuel burn planning, undercarriage reserve, bucket wear, maintenance and ownership assumptions.
Hyundai HX220A L Buying and Rental Checklist: 22-Ton Excavator Specs, Condition and Job Fit
A Hyundai HX220A L buyer and rental checklist for contractors comparing 22-ton excavators by weight, dig depth, hydraulics, service history, transport fit and hourly cost.
CASE 650M Dozer Cost and Undercarriage Guide: Small Dozer Hourly Rate, Tracks and Grading Work
A CASE 650M small dozer cost guide for fuel, undercarriage reserve, blade wear, grading production, transport fit, maintenance and ownership planning.
DEVELON DX225LC-7 vs Cat 320 vs Komatsu PC200: 22-Ton Excavator Buying Comparison
Compare DEVELON DX225LC-7, Cat 320 and Komatsu PC200 class excavators by job fit, transport weight, dealer support, hydraulic setup, fuel planning and resale risk.