| Manufacturer | Chamberlain |
| Price | 180(USD) |
| Model | 4690 |
| Equipment Type | Row-Crop Tractors |
| Factory | Welshpool, Australia |
ENGINE DETAIL
The Chamberlain 4690 features a robust John Deere turbocharged diesel engine with a substantial displacement of 7.6L, delivering a peak torque of 446.2 lb-ft at 1500 RPM, making it efficient for heavy-duty applications. With a high compression ratio of 15.8:1, it offers improved fuel efficiency and power density, but may require high-quality diesel fuel to prevent knocking. The tractor's dry air cleaner enhances engine longevity; however, proper maintenance of the air intake is crucial to avoid performance degradation in dusty conditions.
| Description | John Deere turbocharged diesel 6-cylinder lquid-cooled |
| Displacemen | 466ci / 7.6L |
| Bore/Strok | 4.57x4.75inches / 116 x 121mm |
| Air cleane | dry with safety element |
| Compressio | 15.8:1 |
| Rated RP | 2200 |
| Idle RP | 800-2375 |
| Torqu | 446.2 lb-ft/605.0 Nm |
| Torque RP | 1500 |
| Starter volt | 12 |
| Oil capacit | 19qts / 18.0L |
| Coolant capacit | 25.6qts / 24.2L |
CHAMBERLAIN 4690 ENGINE
The Chamberlain 4690 features a robust John Deere 7.6L 6-cylinder diesel engine, providing significant torque and horsepower for demanding agricultural tasks. Its design ensures optimal fuel efficiency, making it ideal for extended operations; however, maintenance of such a powerful engine can be costlier than smaller alternatives. Additionally, the engine's size requires a compatible tractor frame for stability, making it essential to evaluate the tractor’s overall weight distribution, especially in uneven terrain.
| Description | John Deere 7.6L 6-cyl diesel |
TRANSMISSION
The Chamberlain 4690 tractor features a partial power shift transmission with 12 forward and 4 reverse gears, providing operational versatility suitable for varied agricultural tasks. The synchronized clutch shifting for range changes can enhance ease of operation but necessitates stopping the tractor when shifting gears, which may limit efficiency in field applications. With a substantial oil capacity of 40.1 quarts, it ensures effective lubrication and cooling of the transmission system, contributing to prolonged service life and reliability.
| Transmissio | Hi-Lo |
| Typ | partial power shift |
| Gear | 12 forward and 4 reverse |
| Clutc | 15.5-inch dry disc |
| Oil capacit | 40.1qts / 38.0L |
| Description | Three gears (1-3) in two ranges (Slow-Fast) with hydraulic Hi-Lo power shift. Range shifts are synchronized with the clutch. Tractor must be stopped to shift gears (1-3 and R). |
SPEEDS
| Description | With 24.5x32 rear tires |
CHAMBERLAIN 4690 TRANSMISSION
The Chamberlain 4690 tractor features a 12-speed partial power shift transmission, enabling seamless gear transitions that enhance operational efficiency and adaptability across various field conditions. This design provides the operator with precise control over speed and torque, improving productivity during tasks like plowing or transport. However, potential drawbacks include increased complexity and maintenance requirements associated with the power shift system, necessitating regular checks to ensure optimal functionality.
| Description | 12-speed partial power shift |
MECHANICAL
The Chamberlain 4690 tractor offers selectable 2WD or optional 4WD for enhanced traction, making it suitable for varied terrain. Its hydrostatic power steering provides ease of maneuverability, ideal for precision tasks in confined spaces. The hydraulic wet disc brakes and standard air-conditioned cab significantly enhance operator comfort and safety during prolonged use.
| Driv | 4x2 2WD/4x4 MFWD 4WD (optional) |
| Steerin | hydrostatic power |
| Description | Hydraulic wet disc brakes/Cab standard with air-conditioning. |
CAPACITY
| Fue | 87.2gal / 330.1L |
| Hydraulic syste | 7.2gal / 27.3L |
HYDRAULICS
| Typ | open center |
| Capacit | 7.2gal / 27.3L |
| Pressur | 2500psi / 172.4bar |
| Valve | 4 (max)/3 (with 3pt) |
| Total flo | 15.6gpm / 59.0lpm |
TRACTOR HITCH
| Rear Typ | III/IIIN |
| Contro | top-link sensing |
| Rear lift (at 24 | 7,681lbs / 3484kg |
POWER TAKE-OFF (PTO)
| Rear PT | independent |
| Clutc | hydraulic disc |
| Rear RP | 1000 |
CHAMBERLAIN 4690 TIRES
The Chamberlain 4690 tractor offers versatility with its tire options, enhancing its performance in different soil conditions. The standard ag tires, 11.00x16 for 2WD and 14.9x26 for 4WD, provide superior traction, while the larger rear tires (24.5x32) improve stability and surface contact. However, the choice of 2WD may limit performance in wet or uneven terrains compared to the more robust 4WD configuration, which excels in challenging agricultural environments.
| Standard tires (ag | Front: 11.00x16. Rear: 24.5x32 (2WD)/Front: 14.9x26. Rear: 24.5x32 (4WD) |
DIMENSIONS & TIRES
The Chamberlain 4690 tractor offers a robust weight range of 13,779 to 14,639 pounds, enhancing stability for various heavy-duty tasks, though increased weight can affect fuel efficiency. The 2WD and 4WD wheelbases provide versatility in traction and maneuverability, with the slight increase in wheelbase for 4WD potentially improving ground contact and stability in softer terrains. However, the fixed rear tire dimensions may limit aftermarket options for specialized agricultural tires, potentially impacting performance in specific field conditions.
| 2WD fixed Wheelbas | 113.5inches / 288cm |
| 2WD Wheelbas | 114.3inches / 290cm |
| 4WD Wheelbas | 115inches / 292cm |
| Weigh | 13779 to 14639 pounds |
| Front tir | 11.00x16 |
| Rear tir | 24.5x32 (2WD) |
ELECTRICAL
| Charging syste | alternator |
| Charging amp | 70 |
| Batterie | 2 |
| Battery volt | 6 |