Earthmoving Company Logo Redesign

I need a modern, simple yet bold abstract logo for my earthmoving company.

Requirements:
- Retain current color scheme
- Emphasize strength and durability
- Delivered in JPEG, PNG, and vector formats
- 3 initial design concepts

Ideal Skills and Experience:
- Strong portfolio in abstract logo design
- Experience with earthmoving or construction industry logos
- Proficiency in color theory and application

Please provide your best work!