✅ Compatibility

• Make: Komatsu
• OEM / Cross Reference Part Numbers:
  • Komatsu: 600-821-7210, 600-821-7220, 600-821-7230, 600-821-7240, 600-821-7250, 600-821-7260, 600-821-7310, 600-821-7350, 600-821-7420, 600-821-7530, 600-821-7540, 600-821-7160, 600-821-8340, 600-821-8360, 600-821-8680 (and hyphen-free variants)
  • Nikko: 0-35000-3000, 0-35000-0310, 0-35000-0320, 0-35000-3020, 0-35000-3050, 0-35000-3070, 0-35000-3150, 0-35000-3180, 0-35000-3190, 0-35000-3220, 0-35000-3230, 0-35000-3240, 0-35000-3280, 0-35000-3420, 0-35000-3470 (and hyphen-free variants)
  • Wilson: 90-28-4011, 90284011
• Compatible Komatsu Engines: 6D95L, S6D95L — 6D105, S6D105 — S6D110, SA6D110 — 6D125 — 6D140 — 6D155 — 6D170
• Fits Komatsu Bulldozers (D-series): D65S / D66S (6D110, 1995–1997) — D85 / D85A (6D125/6D140, 1986–1997) — D135 (6D140, 1995–1998) — D150A / D155A / D155C / D355C (6D155, 1986–1995) — D175A / D375A (6D170, 1986–1994)
• Fits Komatsu Wheel Loaders (WA-series): WA120 / WA180 (6D95, 1995–1997) — WA200 / WA250 / WA300 / WA320 (6D105, 1986–1997) — WA380 / WA400 (6D110, 1986–1997) — WA470 (6D125, 1995–1997)
• Fits Komatsu Motor Graders & Other: GD625A / GD655A (6D105, 1986–1990) — FD200E (6D108, 1995–1997)

🔑 Key Specs

• Komatsu: 600-821-7210, 600-821-7220 (primary) — Nikko: 0-35000-3000 series — Wilson: 90-28-4011
• Voltage: 24V — Amperage: 35A
• Engines: Komatsu 6D95L / S6D95L / 6D105 / S6D105 / S6D110 / SA6D110 / 6D125 / 6D140 / 6D155 / 6D170
• Equipment: Komatsu D-series bulldozers — WA-series wheel loaders — GD-series motor graders — FD forklifts
• Condition: New Aftermarket — SKU: 600-821-7210

📦 What's Included

• 1× Alternator 24V 35A (Komatsu 600-821-7210 / 600-821-7220)

🔧 Product Highlights

• Covers 7 Komatsu engine families (6D95–6D170) across D-series bulldozers, WA-series wheel loaders, GD-series motor graders, and FD forklifts (1986–1998) — triple cross-reference with Nikko and Wilson for broadest aftermarket sourcing coverage.
• Failed alternator causes battery drain, electrical system failure, and machine shutdown on heavy Komatsu equipment — 24V 35A drop-in replacement restores full charging system performance across all compatible models.

⚠️ Verify Komatsu model, engine S/N, and existing alternator part number before purchasing. Contact us if unsure — we are happy to confirm fitment.