All 152 pages of this International 425D, 435D, 445D, 445, and 4250 Pickup Baler Service Manual zero in on one job: restoring your baler to factory condition from pickup teeth to knotter frame. Nine systems get full teardown coverage, including gearbox dismantling with pinion shaft preload specs (3 to 4 Nm), packer finger and crank adjustments, plunger and bale chamber rebuild, and a dedicated tying mechanism section that walks through knotter timing, needle mechanism, tucker finger setting, and bale length control. Your bale chamber measures 36 x 46 cm (14 x 18 in) - and if that spec is off, the adjustments section tells you exactly where to start. A full set of exploded views runs through the bulk of the manual, so you can identify every component before you pull a single bolt. Missed a knot cycle last season and couldn't figure out why? This is where you find the answer. Bookmarked by section, so you jump straight to Knotters or PTO Shafts without scrolling - pull it up on any device and get wrenching.
What's Inside This International 425D-445D Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 3-14 | Service Tools, Service Parts, Adjustments, Inspection and Repair, Lubrication, Specifications |
| Hitch, PTO Shafts and Flywheel | 15-30 | Jack, Hitch, PTO Shafts, Universal Joints, Flywheel and Clutch |
| Gearbox | 31-46 | Preliminary Inspection, Removal, Dismantling, Inspection, Adjustments, Assembly |
| Packer Fingers and Crank | 47-64 | Packer Drive Shaft, Packer Fingers and Bearing, Packer Crank, Adjustments |
| Plunger and Bale Chamber | 65-80 | Plunger Pitman, Plunger, Bale Chamber |
| Pickup, Auger and Drives | 81-104 | Pickup, Remote Control Pickup Lift Attachment, Auger and Auger Drives |
| Mainframe, Wheels and Sheet Metal | 105-112 | Wheels and Hubs, Mainframe, Cross Conveyor |
| Tying Mechanism | 113-132 | Knotters, Knotter Tying Cycle, Knotter Drive, Knotter Frame and Breastplate, Needle Mechanism, Bale Length Control |
| Adjustments | 133-152 | Twine Threading and Tension, Knotters, Needles, Tucker Finger Timing and Setting, Knotter Shaft Brake, Trip Mechanism |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Approx. Weight | 1490 kg (3285 lb) | p. 11 |
| Bale Chamber Size | 36 x 46 cm (14 x 18 in) | p. 11 |
| Gearbox Pinion Shaft Preload | 3 to 4 Nm (25 to 35 lbft) | p. 11 |
| Packer Drive Shaft Backlash | 0.25 to 1.8 mm (0.010 to 0.070 in) | p. 12 |
International 425D-445D Common Problems This Manual Covers
International 445D baler intermittent twine cutting failure and knot fails to release from bill hook p. 113
Inspect the tying mechanism and check bill hook tension. Remove the worn roller bushing preventing full knife travel. Replace the cutting blade and confirm the bale chamber size matches 36 x 46 cm (14 x 18 in) on page 11 before testing.
Manual Section: Tying MechanismExcessive noise from the front drive area and heavy vibration when engaging the main clutch p. 31
Check the preliminary inspection steps for the gearbox. Dismantle the drive assembly and measure the pinion shaft preload. Adjust the preload to 3 to 4 Nm (25 to 35 lbft) as specified on page 11. Reassemble the components and verify smooth operation.
Manual Section: GearboxInconsistent crop feeding into the bale chamber and loud clunking noise from the packer drive p. 47
Inspect the packer fingers and bearing for severe wear. Measure the packer drive shaft backlash. Adjust the backlash to 0.25 to 1.8 mm (0.010 to 0.070 in) according to the specifications on page 12. Replace the drive shaft if tolerances exceed limits.
Manual Section: Packer Fingers and CrankTwine knot does not form properly after switching twine balls and tying mechanism misses ties p. 133
Verify twine threading and tension settings on page 133. Adjust the bill hook tension if it is set too loose. Inspect the tucker finger timing and reset the knotter shaft brake. Confirm the bale chamber size is 36 x 46 cm (14 x 18 in) before operation.
Manual Section: AdjustmentsFrequently Asked Questions
What are the torque specs for the knotters on International 435D baler?
For the International 435D baler, the needle bolt torque for the knotters should be set between 108.5 to 122 Nm (80 to 90 lbft). This specification is crucial for proper operation of the tying mechanism.
Why does the International 435D baler produce banana bales despite correct settings?
The manual does not explicitly use the term "banana bales," but issues with bale shape can stem from a lack of uniform bale density. This requires periodic adjustment of the bale chamber tension by varying the tension on the springs (1-37) and checking bale density at regular intervals. Additionally, worn parts, incorrect adjustments, or wrong twine tension can contribute to general machine malfunctions affecting bale formation.
How to fix knottter misalignment on International 435D
To fix knotter misalignment, adjust the disc assembly by slackening nut (1-4) on the worm shaft and loosening worm drive gear (2-4) as needed to set the disc drive. Ensure the needle tips enter the bale chamber simultaneously with or just after the plunger horns pass overhead, following the detailed procedure in Figure 17 for Needle to Plunger Timing.
How do you fix international 445D baler intermittent twine cutting failure and knot fails to release from bill hook?
Inspect the tying mechanism and check bill hook tension. Remove the worn roller bushing preventing full knife travel. Replace the cutting blade and confirm the bale chamber size matches 36 x 46 cm (14 x 18 in) on page 11 before testing.
What format is this manual in?
Instant PDF download. You get the full 152-page searchable Service Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this manual?
The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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