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.
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.
Komatsu PC200-11 Operating Cost Per Hour: Fuel Burn, Tracks, Maintenance and Ownership
Komatsu PC200-11 cost per hour guide using 5.1 gal/hr planning fuel burn, diesel price, tracks, 500-hour maintenance, bucket wear, repairs, utilization and resale assumptions.
Komatsu PC200-11 vs Cat 320: 20-Ton Excavator Specs, Fuel Burn and Ownership Comparison
Compare Komatsu PC200-11 vs Cat 320 from the PC200 buyer angle: regional spec checks, weight, horsepower, dig depth, bucket basis, fuel burn, dealer support and ownership cost.
Compact Excavator Trailer Transport Weight Guide: Machine, Bucket, Attachment and Tie-Down Planning
Plan compact excavator transport weight by machine configuration, trailer GVWR, truck rating, bucket and attachment weight, fuel, counterweight, tie-down points and local rules.
Compact Excavator Rubber Track Cost Per Hour: Tracks, Rollers, Sprockets, Idlers and Jobsite Damage
Estimate compact excavator rubber track cost per hour by tracking track life, rollers, sprockets, idlers, debris packing, roading, demolition damage, ground conditions and operator habits.
Cat D8 Operating Cost Per Hour: Fuel Burn, Undercarriage, Blade Wear, Ripper Duty and Ownership
Cat D8 cost per hour guide using 12.5 gal/hr planning fuel burn, diesel price, undercarriage reserve, SU blade wear, ripper duty, maintenance and ownership cost.
Cat D8 vs Cat D6 Dozer Comparison: Production Dozing, Ripping, Blade Capacity, Fuel Burn and Transport
Compare Cat D8 vs Cat D6 dozers by production fit, horsepower, operating weight, blade capacity, ground pressure, fuel burn, transport, ripping and ownership cost.
Volvo L120H Operating Cost Per Hour: Fuel Burn, Tires, Bucket Wear, Brakes and Ownership
Volvo L120H cost per hour guide using 4.9 gal/hr planning fuel burn, tires, bucket wear, brakes, 500-hour maintenance, utilization, resale and ownership cost.
Volvo L120H vs Cat 950 GC: Wheel Loader Specs, Tipping Load, Fuel Burn, Bucket Match and Ownership
Compare Volvo L120H vs Cat 950 GC by bucket range, operating weight, horsepower, tipping load, breakout force, tire cost, fuel burn, dealer support and job fit.
Cat 336 Operating Cost Per Hour: Fuel Burn, DEF, Tracks, Maintenance and Ownership
Cat 336 operating cost per hour guide using fuel burn, diesel price, DEF, maintenance reserve, undercarriage wear, utilization, depreciation, and ownership assumptions.
Cat 336 vs Komatsu PC360LC-11: Large Excavator Specs, Fuel Burn and Cost Comparison
Compare Cat 336 and Komatsu PC360LC-11 excavators by horsepower, operating weight, dig depth, bucket capacity, hydraulic flow, fuel burn estimate, hourly cost, and fleet fit.
Excavator Fuel Burn Cost Per Hour Guide
How to estimate excavator fuel cost per hour from gallons per hour, diesel price, idle percentage, work mode, attachment load, DEF use, and telematics records.