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.
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.
Hitachi ZX350LC-7H vs Cat 336 vs Komatsu PC360: 35-Ton Excavator Comparison
Compare Hitachi ZX350LC-7H, Caterpillar 336 and Komatsu PC360 class excavators by weight class, horsepower, bucket fit, truck loading, transport, dealer support and ownership cost.
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 950 GC Operating Cost Per Hour: Fuel Burn, Tires, Bucket Wear, Maintenance and Ownership
Cat 950 GC operating cost per hour guide for stockpiles, truck loading, aggregate yards and snow work using fuel burn, tires, bucket wear, maintenance, utilization, depreciation and ownership assumptions.
Cat 950 GC vs Volvo L120H: Wheel Loader Specs, Tipping Load, Bucket Match and Cost Comparison
Compare Cat 950 GC vs Volvo L120H wheel loaders by horsepower, operating weight, bucket capacity, full-turn tipping load, breakout force, fuel estimate, dealer support and fleet fit.
Cat 330 Operating Cost Per Hour: Fuel Burn, DEF, Tracks, Maintenance, Attachments and Ownership
Cat 330 cost per hour guide using fuel burn, diesel price, DEF, undercarriage reserve, 500-hour maintenance, bucket wear, high-flow attachment duty, utilization and ownership assumptions.
Cat 330 vs Cat 336: Excavator Specs, Dig Depth, Hydraulic Flow, Fuel Burn and Cost Comparison
Compare Cat 330 vs Cat 336 by horsepower, operating weight, dig depth, bucket size, hydraulic flow, fuel burn estimate, transport impact, production fit and ownership cost.
Heavy Equipment 500-Hour Maintenance Checklist for Mixed Fleets
A practical 500-hour preventive maintenance checklist for excavators, dozers, wheel loaders, and backhoes, with work-order documentation, fluid sampling, filters, grease, and inspection priorities.
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.