Vehicle Maintenance Guide
2024 Ram 1500
Big Horn 4x4 • 5.7L V8 • 8-speed automatic. Maintenance specs, intervals, and recommended products are organized here for fast service planning.
Drive Type
4x4
Body Style
Pickup
Engine
5.7L V8
Data Confidence
medium
Maintenance Spec Table
| Maintenance Item | Capacity | Viscosity / Spec | Interval |
|---|---|---|---|
Engine Oil Engine Oil & Lubrication | 7.00 quarts Capacity shown with filter change. | 5W-20 MS-6395 | Normal: 8,000 mi / 12 mo Severe: 5,000 mi / 6 mo |
Rear Differential Fluid Drivetrain Fluids | Check procedure | 75W-90 Synthetic gear lubricant meeting axle requirements | Normal: 60,000 mi Severe: 30,000 mi |
Transmission Fluid Drivetrain Fluids | Check procedure | See spec ZF 8-speed compatible fluid | Normal: 60,000 mi Severe: 45,000 mi |
Procedure Notes
Engine Oil
Towing and idle-heavy duty cycles justify the severe schedule.
Rear Differential Fluid
Procedure guidance to be expanded in the next content pass.
Transmission Fluid
Trailer use and heat justify moving service earlier.
Recommended Products
Ultra Platinum Full Synthetic 5W-20
engine oil
Pennzoil • engine-oil • 5W-20
Fit: Matches the factory 5W-20 viscosity requirement and lines up with the listed MS-6395 spec.
Why we like it: Straightforward HEMI fit with good availability.
Origin: manual
Recommendation confidence: medium
SEVERE GEAR Synthetic EP Gear Lube 75W-90
rear differential fluid
AMSOIL • gear-oil • 75W-90
Fit: Matches the required 75W-90 differential-fluid viscosity and meets API GL-5.
Why we like it: Uses AMSOIL’s severe-duty gear-oil line.
Compatibility: Use in differentials that require API GL-5/MT-1, MIL-PRF-2105E, or MACK GO-J performance.
Origin: automated amsoil
Recommendation confidence: high
Source reference: AMSOIL Product Catalog.pdf (October 11, 2024)
OE Synthetic Automatic Transmission Fluid Fuel-Efficient
transmission fluid
AMSOIL • transmission-fluid
Fit: Matches the required GM DEXRON VI transmission spec.
Why we like it: Fits the required automatic-transmission fluid category.
Compatibility: Use in applications that require Aisin-Warner AW-1 • Ford MERCON LV • GM DEXRON VI • Honda/Acura DW-1, Type 3.0 • Hyundai/Kia SP-IV, SPH-IV, SP-IV-RR • JWS 3324 • Mitsubishi SP-IV, ATF J3, ATF-PA • Nissan Matic-S, Matic-W • Toyota WS • VW/Audi G 055 005, G 055 162, G 060 162
Origin: automated amsoil
Recommendation confidence: medium
Source reference: AMSOIL Product Catalog.pdf (October 11, 2024)
Signature Series Synthetic Motor Oil 5W-20
engine oil
AMSOIL • engine-oil • 5W-20
Fit: Matches the factory 5W-20 viscosity requirement and meets the required Chrysler MS-6395 spec.
Why we like it: Uses AMSOIL’s flagship engine-oil family.
Compatibility: Use in vehicles that require API SP (Resource Conserving), SN PLUS, SN… • ILSAC GF-6A • GM dexos1 Gen 3 (supersedes dexos1 Gen 2, 6094M) • ACEA A1/ B1 • Chrysler MS-6395 • Ford WSS-M2C945-A, WSS-M2C930-A, WSS-M2C945-B1, WSS-M2C960-A1
Origin: automated amsoil
Recommendation confidence: high
Source reference: AMSOIL Product Catalog.pdf (October 11, 2024)
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Data Trace
Source reference: Phase 1 SmartGarageHQ Postgres seed. Current canonical path: /vehicles/ram/1500/2024.