Caterpillar 299D3 Specifications & Workshop Service Guide
The Caterpillar 299D3 is a compact track loader produced during 2019-Present, powered by a 98-horsepower Cat C3.8 DIT Common-Rail Turbo diesel engine. It features an operating weight of 11,464 lbs (5,200 kg), a rated operating capacity of 3,480 lbs (1,578 kg, SAE J818), and an auxiliary hydraulic flow of 23.0 GPM at 3335 PSI (44.8 HHP).
Engine & Powertrain
- Engine Model
- Cat C3.8 DIT Common-Rail Turbo
- Gross Output
- 98 HP
- Crankcase Oil
- 13.0 qts (15W-40 CK-4 Low Ash)
- Cooling System
- 17.0 qts (50/50 Ethylene Glycol)
Hydraulic Circuit & Flow
- Auxiliary Flow
- 23.0 GPM (Standard Flow)
- Relief Pressure
- 3335 PSI
- Hydraulic HP
- 44.8 HHP (GPM × PSI / 1714)
- Reservoir Capacity
- 14.5 US Gal (Cat HYDO Advanced 10 Synthetic)
- Total System Vol
- 20.0 US Gal (Includes cylinders)
- Drive Chain Case
- 0.0 US Gal (N/A (Planetary Final Drive: Cat FDAO SAE 50, 1.2 qt each))
Wix / Donaldson OEM Filter Cross-Reference
Standard fluid and filter change requires exactly 14.5 US gallons to reach the center of the sight glass. Never overfill.
Hydraulic cylinders and lines hold approximately 5.5 US gallons. Total system capacity for dry rebuilds is 20.0 US gallons.
The chain case holds 0.0 US gallons of N/A (Planetary Final Drive: Cat FDAO SAE 50, 1.2 qt each). It is completely isolated from the hydraulic circuit.
Caterpillar 299D3 Technical Service Overview
Field service operations on the Caterpillar 299D3 require adherence to manufacturer hydraulic pressure relief tolerances (3335 PSI) and torque specifications. When performing standard 250-hour preventative maintenance, always verify hydraulic filter condition, check drive chain tension, and inspect high-pressure auxiliary couplers for mechanical wear or weeping seals.
Empirical Engineering & Statutory Verification Matrix
All tolerances and fluid formulas cross-checked against primary heavy machinery standards.
| Engineering Parameter | Authoritative Source | Authority Body | Factory Tolerance / Rule |
|---|---|---|---|
| Caterpillar 299D3 Rated Operating Capacity | SAE J818 Technical Specification Standard ↗ | 3,480 lbs (1,578 kg) | |
| Factory Service Manual Publication | Verified Factory Documentation | ||
| Hydraulic Reservoir Service Capacity | Caterpillar 299D3 Lubrication Specification Table | 14.5 US Gallons (Cat HYDO Advanced 10 Synthetic) | |
| Cat C3.8 DIT Common-Rail Turbo Engine Output | Engine Manufacturer Service & Workshop Data | 98 Gross HP (13.0 qts 15W-40 CK-4 Low Ash) |
Frequently Asked Technical Questions
Authoritative mechanical and operational answers verified against OEM shop manuals.
What is the rated operating capacity (ROC) of the Caterpillar 299D3?
Under SAE J818 standards (50% of tipping load for wheeled loaders or 35% for tracked loaders), the Caterpillar 299D3 has a Rated Operating Capacity of 3,480 lbs (1,578 kg). The static tipping load is 9,940 lbs (4,509 kg). Always operate within rated parameters to prevent rollover hazards.
What hydraulic fluid and reservoir capacity does the Caterpillar 299D3 use?
The Caterpillar 299D3 hydraulic reservoir requires 14.5 US gallons (54.9 Liters) of Cat HYDO Advanced 10 Synthetic. The complete system capacity with cylinders and coolers holds 20.0 US gallons.
What engine powers the Caterpillar 299D3 and what are the service intervals?
The Caterpillar 299D3 is powered by a Cat C3.8 DIT Common-Rail Turbo diesel producing 98 gross horsepower. The crankcase requires 13.0 quarts (12.3 Liters) of 15W-40 CK-4 Low Ash. Oil changes are recommended every 100 to 250 operating hours based on duty cycle.
Where is the serial number located on the Caterpillar 299D3?
Upper rear chassis upright pillar inside engine access door.
What Wix filters fit the Caterpillar 299D3?
Primary cross-references for the Caterpillar 299D3 are: Engine Oil: Wix 57098 / Cat 1R-1804; Hydraulic: Wix 57240 / Cat 430-8260; Fuel: Wix 33397 / Cat 1R-0793; Outer Air: Wix 46562 / Cat 110-6326. Always verify thread pitch and seal diameter prior to spin-on installation.