Palco EP 140 API: GL-4, Premium Gear Oil for Gearboxes and Lubricants Palco Store by Palcostore Published: August 26, 2025 (4 days ago) Category Business Link Palco EP 140 API: GL-4, Premium Gear Oil for Gearboxes and Lubricants Palco Store Buy Palco EP 140 Gear Oil (API: GL-4) – high-performance premium lubricant for gearboxes and manual transmissions. Superior wear protection, smooth operation, and long-lasting performance. Available now at Palco Store.