Tier 4-Final John Deere PowerTech diesel engines provide 124 horsepower to the 444K wheel loader, 141 horsepower to the 524K, and 163 horsepower to the 544K.
Komatsu says its WA470-8 wheel loader uses up to 6 percent less fuel than the Dash 7 version.
Models 621F and 721F wheel loaders meet Tier 4-Final emissions standards with a 6.7-liter engine using SCR technology
Models L60H, L70H, and L90H wheel loaders meet Tier 4-Final standards with a Volvo D6J diesel that delivers 165, 170, and 184 horsepower, respectively.
The Doosan 172-horsepower DL250-5 and DL250TC-5 (tool carrier) wheel loaders replace the “dash-3” (Tier 4-Interim) models, and have a Tier 4-compliant Doosan DL06 diesel engine.