Faculty and Administration

Diesel Technology

Ranken Faculty — William A. McKorkle
*Instructor, Adjunct*

Certifications:
Diesel Mechanic Certification
ASE Certification
ASE T1-T8 Medium-Heavy Truck Certification
HVAC Certification
Air Conditioning Certification
EPA 608 Technician Certification
Class A CDL License

William A. McKorkle

Instructor, Adjunct

Graduate, Mechanics Program,
Lincoln Technical College

Trenton J. McElvain

Instructor, Full Time

AA in Fitter Welding,
North County Technical School
Certification:
Class A CDL with N endorsement and air brakes

Richard L. Campbell

Instructor, Full Time

Isaac A. Kelly

Instructor, Adjunct

AT in Diesel Technology,
Ranken Technical College
Certifications:
OSHA 30-hour Certified
Forklift Certified
Class B CDL License
ASE T6 Heavy Duty Truck Electrical
ASE T8 Preventive Maintenance

Cory Thompson

Instructor, Full Time - Wentzville

Training in diesel/vehicle mechanics, heavy
equipment, arc welding
Certifications:
Wabco/Haldex/Bendix ABS
Eaton Fuller/Meritor Rockwell Transmissions
Meritor/Rockwell Differentials
Eaton/Spicer Differentials

Brian S. Bowen

Instructor, Full Time - Perryville

Training in welding, machining, auto body,
aviation metal
Certifications:
ASE T4 Brakes
ASE T5 Suspension
ASE T7 HVAC/AIR
ASE T8 Preventive Maintenance
Class A CDL with PN Endorsement
REMA-TECH Tire Certification
R12/134 Refrigerant MACS Certification
AERA Certified Cylinder Head Machinist
AERA Certified Engine Machinist
AERA Certified Clamp, Seal, Survive: MLS Head
Gaskets, Torque Plates, & Surface Prep Masterclass
PERA Certified Understanding Tightening Strategy
and Clamp Load in Critical Engine Fasteners

L. Sam Worley

Instructor, Full Time - Perryville

Advanced Diesel Technology Diploma,
Wyotech
Certifications:
Kenworth Course 100
EPA 608, 609 A/C Certified
ISB6.7 CM2250 Qualification (EPA 2010)
ISC8.3 CM2250, ISL9 CM2250 Qualification
(EPA 2010)
ISX12 CM2250/ISX11.9 CM2250
Qualification (EPA 2010)
ISX12 CM2350 X102 Qual. (EPA 2013)
ISX15 CM2250 Qualification (EPA 2010)
ISX15 CM2350 X101 Qualification (EPA 2013)
X15 CM2350 X114B, X15 CM2350 X116B
Qualification (EPA 2017)
B6.7 CM2350 B121B Qual. (EPA 2017)
ISB6.7 CM2350 B101 Qual. (EPA 2013)
ISL9 CM2350 L101 Qualification (EPA 2013)
L9 CM2350 L116B, L9 CM2350 L123B
Qualification (EPA 2017)
X15 CM2450 X124B Qual. (EPA 2020)
ISB CM2150 Qualification (EPA 2007)
ISC CM2150, ISL CM2150 Qual. (EPA 2007)
B6.7 CM2450 B155B Qual. (EPA 2021)
L9 CM2450 L126B Qualification (EPA 2021)
X15 CM2450 X134B Qual. (EPA 2021)

Justin R. Eason

Instructor, Full Time - Perryville

Certifications:
ASE T2 – T8 Master Med/Heavy Truck Technician
ASE C1 Service Consultant
ASE E1 Truck Equipment Installation and Repair
Cummins Advanced Diesel Technology
855/N14 Maintenance and Overhaul
Allison 3000/4000 Service and Overhaul
Forklift certification “Train the Trainer” certified

Tim Chandler

Instructor, Full Time - Wentzville

Certificate in Diesel Truck and Heavy
Equipment Technology,
Ranken Technical College
Certifications:
R-12/134-A Refrigerants/HVAC – MACS
Class B CDL License – State of Missouri
EPA 609-A License

Brien J. Dover

Department Chair & Instructor, Full Time - Perryville

BS in Applied Management, in progress,
Ranken Technical College
Certifications:
ISX15, X15 – Cummins
2007 Heavy Duty Acert – Caterpillar
Paccar Engine Training MX
Paccar 2010 Emissions
Peterbilt Electrical T/S
ASE A1-A9 Light Duty Diesel
ASE G1 Maintenance and Light Repair
ASE L2 Advanced Level Specialist
ASE T2 Engines
ASE T3 Transmission
ASE T4 Brakes
ASE T6 Electrical
ASE T7 HVAC
ASE T8 Preventive Maintenance
ASE xEV1, xEV2 – Safety Certifications
EPA 07, EPA 10, GHG 14 – Detroit Diesel
Class B CDL License – State of Missouri
609A Certified
Thermo King Trainer Certified
CASE Electronics and Hydraulics

Shawn D. Ray

Department Chair & Instructor, Full Time - Wentzville

Certificate in Automotive,
Kent Career Technical Institute
Certifications:
ASE Master Medium/Heavy Truck
Technician
EPA 608 and 609 Universal Technician –
Mainstream Engineering
Carrier #1407 Mod 1 – Carrier Transicold
DD EPA 07 – Detroit Diesel
Class B CDL License – State of Missouri
ASE T5 Suspension

Taylor P. Clark

Instructor, Full Time - Wentzville