CAT CLASS: HQ-10225

300+ hp Dozer

The 300+ hp dozer represents the top rung of the dozer ladder, encompassing the industry's largest production machines with engine power ranging from 264 to 1019 hp and operating weights from 34,600 to 105,299 kg. These dozers are built for high-volume earthmoving, mine reclamation, and ripping rock in operations where material volumes and site scale justify their substantial ground engagement force and fuel consumption. Seven models from XCMG, Komatsu, Dressta, and Case define this size class.

Modèles

Marques

Cat classes

Choisissez une classe de taille — la capacité et la portée varient selon la gamme.

Spécifications clés

Spécification	Plage typique	Signification
Engine power	264–1019 hp	Provides the drawbar pull and hydraulic capacity needed for ripping bedrock and moving large volumes of material per pass
Operating weight	76,280–232,145 lb (34,600–105,299 kg)	Mass required to maintain traction and blade penetration under maximum load without track slip
Blade capacity	Proportional to weight class	Large semi-U, U, or straight blades engineered to move 20+ cubic meters per cycle
Ripper configuration	Single or multi-shank hydraulic	Heavy rippers designed to fracture rock, hardpan, or frozen ground ahead of excavation

Comment choisir

The 300+ hp dozer is specified for large-scale production earthwork, open-pit mining, quarry development, major highway cuts, and land reclamation where daily material movement exceeds thousands of cubic meters and project duration justifies mobilization costs. Sites requiring rock ripping, pushing scrapers in tandem, or clearing and grubbing across hundreds of hectares benefit from the horsepower and weight in this class. For highway widening, subdivision rough grading, pipeline rights-of-way, or projects with transport restrictions or smaller daily volumes, the 200-300 hp Dozer offers adequate production with lower operating cost and simpler logistics.

Ce que cette taille peut gérer

Open-pit mine overburden removal and haul road construction
Quarry benching and waste rock stockpiling
Major highway interchange cuts through rock or dense clay
Land reclamation and tailings pond closure at mining sites
Large dam construction and reservoir site preparation
Clearing and initial grading for industrial complexes over 100 hectares

Sécurité et opération

Rollover protective structures (ROPS) and falling object protective structures (FOPS) certified for machine weight class
Spotter or camera systems essential due to limited visibility around the machine, particularly at the rear and immediate sides
Ground-bearing pressure and slope stability assessments required to prevent track sinking or machine rollover on unstable substrates
Lockout/tagout procedures critical during blade, ripper, or track maintenance due to stored hydraulic energy and component mass

Transport et logistique

Heavy-haul lowboy trailers rated for 40–110 metric tonnes, often requiring multi-axle configurations and wide-load permits
Towing by heavy-duty tractor units with gross combination weight ratings exceeding 100 tonnes; route surveys required for bridge and overhead clearances
On-site assembly may include track installation and ripper mounting after transport of main chassis

Alimentation

Diesel fuel consumption ranging from 40 to 150+ liters per hour under load, necessitating bulk fuel delivery or on-site storage tanks
Tier 4 Final or Stage V emissions compliance with diesel exhaust fluid (DEF) systems requiring separate fluid supply
Cold-weather operations require block heaters and arctic-grade fuels and lubricants

Questions fréquentes

What distinguishes a 300+ hp dozer from smaller classes?

Operating weight above 34 tonnes and engine power beyond 264 hp provide the traction and force needed for rock ripping and high-volume production earthmoving that would bog down or require multiple passes with lighter machines.

What transport planning does this size require?

Multi-axle lowboy trailers, wide-load permits, route surveys for overhead and bridge clearances, and sometimes partial disassembly of tracks or rippers to meet highway weight and dimension limits.

When does production justify the operating cost?

Projects moving thousands of cubic meters daily over extended durations, particularly where rock ripping or long push distances are involved and hourly production offsets fuel consumption of 40–150+ liters per hour.

Comparer les modèles populaires

Chercher par spécification →

Normalisé aux mêmes unités. Un tiret signifie que la valeur n'a pas été publiée.

Modèle	Poids en service	Profondeur d’excavation max	Portée max	Puissance moteur
Case 750M	105,299 lb (47,763 kg)	-	-	362 hp
Komatsu D155AX-8	92,819 lb (42,102 kg)	-	-	354 hp
Dressta TD-25M	88,185 lb (40,000 kg)	-	-	375 hp
Dressta TD-60M	156,087 lb (70,800 kg)	-	-	610 hp
XCMG DL560	103,617 lb (47,000 kg)	-	-	419 hp
XCMG D360(EU Stage Ⅲ)	76,280 lb (34,600 kg)	-	-	345 hp