Contents
- Dimensions
- Weights
- Tire Sizes
- Engine Details
- Operational Specs
- Transmission
- Hydraulic System
- 3-Point Hitch (Optional)
- PTO (Power Take-Off)
- Service Refill Capacities
- John Deere 420 Filters
- Serial Numbers & PIN Location
- John Deere 420 Attachments
- Mower Decks for John Deere 420
- Snow Blowers for John Deere 420
- John Deere 44 Loader
- 54″ Front Blade
Dimensions
| Overall Length | 77 in (1956 mm) |
| Wheelbase | 52 in (1321 mm) |
| Overall Height | 47.5 in (1206 mm) |
| Overall Width (Max) | 51.5 in (1308 mm) |
| Overall Width (Min) | 45 in (1143 mm) |
| Front Tread | 36 in (914 mm) |
| Rear Tread (Narrow) | 32 in (818 mm) |
| Rear Tread (Wide) | 38.6 in (980 mm) |
| Turning Radius (Inside Rear Wheel) | 26 in (660 mm) |
| Turning Radius (Outside Front Wheel) | 86 in (2184 mm) |
Weights
| Operating Weight | 993 lb (450 kg) |
| Shipping Weight | 913 lb (408 kg) |
| Quick-Tach Suitcase Weight, UC13263 (each) | 42 lb (20 kg) |
| Rear Cast Iron Wheel Weight, M11028 (each) | 48.6 lb (22 kg) |
| Rear Cast Iron Wheel Weight, AM104097 (each) | 77.4 lb (35 kg) |
Tire Sizes
| John Deere 420 | Tire Size | Pressure |
|---|---|---|
| Front Tire, Turf (Standard) | 18 x 8.50-8, 4 PR | 6-22 psi (41-152 kPa) |
| Rear Tire, Turf (Standard) | 26 x 12.00-12, 2 PR | 5-10 psi (34-69 kPa) |
| Front Tire, Ag (Optional) | 4.80×4.00-8 | 6-22 psi (41-152 kPa) |
| Rear Tire, Ag (Optional) | 23×10.50-12 | 5-10 psi (34-69 kPa) |
Engine Details
| Engine Model | Onan B48G (Early) | Onan P220G (Later) |
|---|---|---|
| Number of Cylinders | 2 | 2 |
| Fuel Type | Gasoline | Gasoline |
| Displacement | 47.7 cu in (0.782 L) | 47.7 cu in (0.782 L) |
| Bore | 3.25 in (82.55 mm) | 3.25 in (82.55 mm) |
| Stroke | 2.87 in (73 mm) | 2.87 in (73 mm) |
| Horsepower | 20 hp (14.9 kw) | 20 hp (14.9 kw) |
| Power Measured @ | 3600 rpm | 3600 rpm |
| Peak Torque | 31.8 lb ft (43.1 Nm) | 31.8 lb ft (43.1 Nm) |
| Torque Measured @ | 2200 rpm | 2200 rpm |
| Slow Idle Speed | 1350 rpm | 1350 rpm |
| Fast Idle Speed | 3450 rpm | 3450 rpm |
| Compression Ratio | 7.0:1 | 7.0:1 |
| Sparkplug | NGK BPR5EFS or Champion RS14YC | NGK BPR5EFS or Champion RS14YC |
| Sparkplug Gap | 0.025 in (0.635 mm) | 0.025 in (0.635 mm) |
| Fuel System | Fixed Jet Carburetor | Fixed Jet Carburetor |
| Fuel Pump Type | Pulse | Pulse |
| Lubrication System | Full pressure w/ filter | Full pressure w/ filter |
| Cooling System | Forced air cooling | Forced air cooling |
| Air Cleaner | Dry filter with pre-cleaner (foam and paper) | Dry filter with pre-cleaner (foam and paper) |
| Aspiration | Naturally aspirated | Naturally aspirated |
Operational Specs
| Operating Weight | 993 lb (450 kg) |
| Operating Voltage | 12 V |
| Alternator | 20 amps |
| Battery | 12 V, CCA 491, RC: 102 min, BCI Group 22F |
| Starter | 12 V, Solenoid |
| Operator Station | Open Operator Station |
| Operator Seat | 2 spring suspension high-back seat. Slide rail adjustment |
| Light System | Headlights, rear reflector / tail lights, dash indicator lights |
Transmission
| Type | 2 Range Hydrostatic Transmission |
| Number of Gears | Infinite forward and reverse |
| Max Forward Speed, Low | 5.80 mph (9.35 km/h) |
| Max Forward Speed, High | 9.35 mph (15.04 km/h) |
| Max Reverse Speed, Low | 2.90 mph (4.66 km/h) |
| Max Reverse Speed, High | 4.67 mph (7.52 km/h) |
| Steering | Power, Hydrostatic |
| Drive | 2WD |
| Differential Lock | Standard |
| Service Brakes | Shoe and drum brakes on rear wheels |
| Return-to-Neutral Braking | Standard |
| Parking Brake | Standard |
Hydraulic System
| Type | Three-Function hydraulic system (One w/ float) |
| Hydraulic Couplers | Two Sets |
| Charge Pump Flow | 3 gal/min (11 L/min) |
| Steering Valve Pressure (in Neutral Position) | 90 – 180 psi (620 – 1240 kPa) |
| Implement Relief Valve Pressure | 850 – 975 psi (5861 – 6722 kPa) |
3-Point Hitch (Optional)
| Control | Directional control |
| 3 Point Hitch Type | Category 0 |
| 3 Point Hitch Lift Capacity @ 24 in | 640 lb (290 kg) |
PTO (Power Take-Off)
| Front PTO (Standard) | Independent, pulley type |
| Front PTO Clutch | Electric |
| Front PTO Speed | 3450 rpm |
| Rear PTO (Optional) | Independent |
| Rear PTO Clutch | Electric |
| Rear PTO Speed | 2000 rpm |
| PTO Control | Electric Switch on Dashboard |
Service Refill Capacities
| Fuel Tank Capacity | 6.5 gal (25 L) |
| Engine Oil Capacity (w/o filter) | 0.37 gal (1.4 L) |
| Engine Oil Capacity (w/ filter) | 0.42 gal (1.6 L) |
| Cooling System Capacity | Air-cooled |
| Transmission Oil Capacity (w/ filter) | 1.88 gal (7.1 L) |
| Hydraulic System Capacity | 1.24 gal (4.7 L) |
John Deere 420 Filters
| Primary Air Filter Element | HE1401496 |
| Secondary Air Filter Element | AM101812 |
| Inline Fuel Filter | AM116304 |
| Engine Oil Filter | AM101207 |
| Transaxle / Hydraulic Oil Filter | AM39653 |
| Transmission / Hydraulic Oil | Low Viscosity Hy-Gard, ISO 32 (Deere TY22000) |
| Engine Oil | Torq Gard Oil (Deere TY22072) |
Serial Numbers & PIN Location
Serial number plate below steering column of the John Deere 420 tractor.
| Year | Serial Number |
|---|---|
| 1983 | M00420X222001 |
| 1984 | M00420X285001 |
| 1985 | M00420X315001 |
| 1986 | M00420X360001 |
| 1987 | M00420X420001 |
| 1988 | M00420X475001 |
| 1989 | M00420X595001 |
| 1990 | M00420X010001 |
| 1991 | M00420X100001 |
John Deere 420 Attachments
The John Deere 420 garden tractor was engineered for versatility, and its wide range of compatible attachments turned it into a true all-season workhorse. For mowing tasks, owners could equip the tractor with a 50-inch Mower Deck (JD 1012M) or the larger 60-inch Mower Deck (JD 0272M), delivering clean and efficient cuts across lawns of all sizes.
Mower Decks for John Deere 420
| Model | 50″ Mower Deck JD 1012M | 60″ Mower Deck JD 0272M |
|---|---|---|
| Mount Type | Mid-mount | Mid-mount |
| Overall Width | 68 in (1727 mm) | 72.5 in (1842 mm) |
| Cutting Width | 50 in (1270 mm) | 60 in (1524 mm) |
| Cutting Height | 1.5 to 6 in (38 to 152 mm) | 2 to 6 in (51 to 152 mm) |
| Lift Type | Hydraulic lift | Hydraulic lift |
| Blades | 3 | 3 |
| Mower Deck Weight | 226 lb (102 kg) | 300 lb (136 kg) |
When it came to snow removal, the 46-inch Snow Thrower (JD 0062M) and 47-inch Snow Blower (JD 2753M) provided powerful solutions for clearing driveways and paths, while the 54-inch Front Blade added further capability for pushing snow or light material.
Snow Blowers for John Deere 420
| Model | 46″ Snow Thrower JD 0062M | 47″ Snow Blower JD 2753M |
|---|---|---|
| Mount Type | Front-mount | Front-mount |
| Clearing Width | 46 in (1168 mm) | 47 in (1194 mm) |
| Clear Height | 12 in (305 mm) | 23 in (584 mm) |
| Lift Type | Hydraulic Lift | Hydraulic Lift |
| Stage | Dual-stage | Dual-stage |
| Weight | 200 lb (90 kg) | 400 lb (181 kg) |
John Deere 44 Loader
For heavier-duty material handling, the John Deere 44 Loader (0461TY) transformed the 420 into a compact loader, capable of lifting, hauling, and moving dirt, gravel, or other materials with ease.
| A. Maximum Lift Height | 73 in (1854 mm) |
| B. Reach at Maximum Height (Bucket Dumped) | 22 in (558 mm) |
| C. Maximum Clearance (Bucket Dumped) | 53.5 in (1358 mm) |
| D. Reach with Bucket on Ground | 44.5 in (1130 mm) |
| E. Bucket Roll-Back Angle | 20° |
| F. Maximum Dump Angle (ASAE) | 50° |
| G. Digging Depth Below Ground Level (ASAE) | 4 in (100 mm) |
| H. Mast (Upright) Pivot Height | 42.5 in (1080 mm) |
| I. Front Hub Center Line to Bucket Pivot | 25 in (635 mm) |
| J. Mast (Upright) Pivot to Front Hub Center Line | 23 in (584 mm) |
| K. Tractor Wheelbase | 52 in (1320 mm) |
| Lift Capacity to Full Height at Pivot Pin | 500 lb (226 kg) |
| Breakout Force (Bucket cylinders) | 725 lbf (3.22 kN) |
| Loader Bucket Width (Standard) | 48 in (1220 mm) |
| Loader Bucket Capacity, Struck (Standard) | 0.21 yd3 (0.16 m3) |
| Loader Bucket Width (Optional) | 54 in (1372 mm) |
| Loader Bucket Capacity, Struck (Optional) | 0.24 yd3 (0.18 m3) |
| Front Loader Weight | 500 lb (226 kg) |
54″ Front Blade
| Model | John Deere 0042M Hydraulic Blade |
| Mount Type | Front-mount |
| Clearing Width | 54 in (1372 mm) |
| Blade Height | 18 in (457 mm) |
| Lift Height | 12 in (305 mm) |
| Cut | 3.5 in (89 mm) |
| Lift Type | Hydraulic lift |
| Angle Type | Hydraulic angle |
| Angling | 30° each side |
| Blade Weight | 184 lb (83 kg) |
| Shoes | Two adjustable skid shoes |
With this lineup of mowing, snow-clearing, and material-handling attachments, the John Deere 420 proved itself as one of the most versatile tractors of its era, capable of handling year-round property maintenance with efficiency and reliability.
