john deere 4640
![]() | 1978 - 1982
Iron Horses SeriesRow-Crop tractor | 1978 - 1982 | Iron Horses Series | Row-Crop tractor |
|---|---|---|---|---|
1978 - 1982 | ||||
Iron Horses Series | ||||
Row-Crop tractor | ||||
1978 - 1982 | |
|---|---|
Iron Horses Series | |
Row-Crop tractor |
Transmission options | |
|---|---|
16-speed partial power shift | |
8-speed full power shift |
Transmission | |
|---|---|
Transmission | John Deere Quad-Range |
Type | partial power shift |
Gears | 16 forward and 6 reverse |
Four gears (1-4) in four ranges (A-D). Power shift between pairs 1-2 and 3-4 in each range, with synchronized shift between 2-3. Two reverses in ranges A-C. Tractor must be stopped, and clutch used, to shift ranges. Power shift is provided hy a hydraulically-controlled planetary that provides an under-drive to each gear. | |
Speeds | |
|---|---|
![]() |
Shift Pattern | |
|---|---|
![]() |
Transmission | |
|---|---|
Transmission | John Deere PowerShift |
Type | full power shift |
Gears | 8 forward and 4 reverse |
Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work. | |
Speeds | |
|---|---|
![]() |
Shift Pattern | |
|---|---|
![]() |
Recommended Products
Advertisement · Featured Tractor-Related Products

Accessories
Classic Tractors: Complete Encyclopedia
4.3/5 (67)
Comprehensive guide to classic tractor models from all major brands
bookencyclopedia+2
Check Price
Link to amzn.to

Hot Pick
Tractor
John Deere 1:16 Big Farm Tractor Model
4.5/5 (128)
Detailed scale model with authentic features, perfect for collectors and enthusiasts
john-deeremodel+2
Check Price
Link to amzn.to

On Sale
Parts
Universal Tractor Hydraulic Filter Kit
4.2/5 (89)
High-quality filter kit for extended tractor life, compatible with multiple models
hydraulicfilter+2
Check Price
Link to amzn.to

On Sale
Parts
Powtol AM125424 Oil Filter
5.0/5 (12)
3" O.D, 2-1/4" long, 3/4"-16 thread, 28 micron filter, 7 to 9 PSI relief, To ensure the optimal performance of your engine, please verify your engine's model and part numbers before ordering the parts.
Filter
Check Price
Link to amzn.to
* This page contains affiliate links, purchases may generate revenue for this site




