CAT D6 vs D7 vs D8 in Nizwa — Bulldozer Comparison 2025

CAT D6 vs D7 vs D8 in Nizwa — Bulldozer Comparison 2025

cat-d6-vs-d7-vs-d8-nizwa
CAT D6 vs D7 vs D8 in Nizwa | Bulldozer Comparison 2025
Compare CAT D6, D7 & D8 bulldozers in Nizwa. Specs, horsepower, costs & transport insights for quarrying, housing & road projects in Oman 2025.


CAT D6 vs D7 vs D8 in Nizwa
CAT D6 vs D7 vs D8 in Nizwa

CAT D6 vs D7 vs D8 in Nizwa — Bulldozer Comparison 2025

Nizwa, Oman’s historic city and interior construction hub, is expanding rapidly with new highways, housing developments, and quarrying operations. Contractors in this region often ask: Which CAT bulldozer should I choose — the D6, D7, or D8?

This guide compares the three popular models in terms of power, blade size, cost, and suitability for Nizwa’s projects, helping you choose wisely in 2025.


Why CAT Bulldozers Dominate in Nizwa

  • Proven durability: Handles Oman’s rocky terrain and high heat.
  • Resale strength: CAT dozers retain value in Oman’s interior market.
  • Operator familiarity: Local and expat operators are trained on CAT systems.
  • Advanced tech: Features like Cat® Grade Control improve grading efficiency.

👉 CAT bulldozers are used across quarries, road projects, and housing developments in Nizwa.


CAT D6 vs D7 vs D8 — Key Specs

CAT D6 — Compact & Versatile

  • Horsepower: ~215 hp
  • Operating Weight: ~23 tons
  • Blade Capacity: 5–6.5 m³
  • Best For: Housing estates, township projects, utilities.
  • Transport: Easy to move across central Oman.

CAT D6 vs D7 vs D8 in Nizwa
CAT D6 vs D7 vs D8 in Nizwa

CAT D7 — Balanced Performer

  • Horsepower: ~265 hp
  • Operating Weight: ~28 tons
  • Blade Capacity: 6–7.5 m³
  • Best For: Road construction, municipal projects, quarries.
  • Transport: Needs permits & trailers for intercity moves.

CAT D8 — Heavy-Duty Quarry Machine

  • Horsepower: ~335 hp
  • Operating Weight: ~39 tons
  • Blade Capacity: 8–10 m³
  • Best For: Quarrying, large roadworks, industrial prep.
  • Transport: Requires escorts & multi-axle trailers.

CAT D6 vs D7 vs D8 in Nizwa
CAT D6 vs D7 vs D8 in Nizwa

Applications of CAT D6, D7 & D8 in Nizwa

Housing & Township Projects

  • Best Choice: CAT D6 → affordable and compact for residential grading.

Road Infrastructure (Highways to Muscat & Ibri)

  • Best Choice: CAT D7 → balanced size and power for long stretches.

Quarrying & Mining (Al Hajar Mountains)

  • Best Choice: CAT D8 → strong for rock ripping and aggregate pushing.

Municipal & Landfill Works

  • Best Choice: CAT D7 → ideal for municipal waste and site clearing.

Price Comparison of CAT D6 vs D7 vs D8 in Nizwa (2025)

  • CAT D6: OMR 18,000 – 26,000
  • CAT D7: OMR 27,000 – 40,000
  • CAT D8: OMR 38,000 – 55,000

💡 Choosing certified-used units saves contractors 30–40% compared to new bulldozers.


Operating Costs & Ownership CAT D6 vs D7 vs D8 in Nizwa

  • Fuel Usage:
    • D6 → 20–25 liters/hr
    • D7 → 25–30 liters/hr
    • D8 → 30–35 liters/hr
  • Undercarriage (UC):
    • Accounts for 40–50% of lifecycle cost.
    • D8 UC is the most expensive to maintain.
  • Maintenance:
    • Quarry work accelerates wear.
    • Frequent UC inspections are essential.
  • Transport:
    • D6 moves easily.
    • D7 & D8 need permits and specialized lowbeds.

CAT Bulldozer Technology in 2025

  • Cat® Grade with 3D: Improves grading precision.
  • Assist Features: Automates blade adjustments.
  • Fuel Efficiency Packages: Reduce operating costs by up to 15%.

Which Dozer Should You Choose in Nizwa?

  • Choose CAT D6 → Housing, utilities, small municipal projects.
  • Choose CAT D7 → Roads, quarries, medium infrastructure.
  • Choose CAT D8 → Quarrying, mining, and heavy-duty roadworks.

👉 Explore more: Bulldozer for Sale Nizwa.


Expert Buying Tips for Nizwa Contractors

  1. Check UC wear — quarry work accelerates damage.
  2. Request oil analysis for transmission & engine.
  3. Budget 10–15% extra for UC replacements.
  4. Factor in transport permits for D7 & D8.
  5. Compare lifecycle ROI between new & certified-used.

Internal Resources CAT D6 vs D7 vs D8 in Nizwa


External Resources CAT D6 vs D7 vs D8 in Nizwa


FAQs CAT D6 vs D7 vs D8 in Nizwa

Q: Which CAT bulldozer is most popular in Nizwa?
A: CAT D7 for roadworks and municipal projects, CAT D8 for quarries.

Q: Do bulldozers in Nizwa require transport permits?
A: Yes, D7 and D8 need permits; D6 moves easily without special approval.

Q: Is certified-used a good option in Nizwa?
A: Yes, contractors save 30–40% while still getting certified inspections.

Q: Can bulldozers be financed in Nizwa?
A: Yes, Omani banks and leasing firms provide finance support.

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