Motor Graders - K Series
The Elphinstone UG20K Underground Motor Grader utilises the Cat® 120K2 base machine with custom modifications designed for underground conditions. Offering multiple cab configurations, the UG20K offers a safe, comfortable and efficient solution for your underground road maintenance.
Motor Graders - M Series
The Elphinstone UG20M Underground Motor Grader utilises the Cat® 120M2 (Tier 4) base machine. The UG20M grader has all the modern features of the M series Motor Grader, but is modified by Elphinstone specifically for underground mining.

UG20K Motor Grader
- GVM* 15,000 kg
- Engine model Cat C7 ACERT™ TIER 2
- Gross power SAE J1995 108 kW / 145 hp
- Frame articulation left/right 20 degrees
- Steering range left/right 47.5 degrees
- Turning circle inner/outer 60/227” 1524 / 5766 mm
- Overall length (shortened spine) 26 ft 0.2 in 7930 mm
- Width over front tyres 96.4” 2449 mm
- Tyres 14.00 x 24 Triangle 12 ply E2 Tubeless
*Approximate only. GVM dependent on product configuration

UG20M Motor Grader
- GVM* 18,000 kg
- Engine model Cat C7.1 ACERT™ TIER 4 INTERIM
- Gross power SAE J1995 108-141kW / 145 - 189 hp
- Frame articulation left/right 20 degrees
- Steering range left/right 47.5 degrees
- Turning circle inner/outer (shortened wheelbase) 63/235” 1600 / 5969 mm
- Overall length (shortened wheelbase) 28 ft 3.4 in 8620 mm
- Width over front tyres 98.9” 2511 mm
- Tyres 14.00R24 Bridgestone VUT * L2 Tubeless
*Approximate only. GVM dependent on product configuration