G440 Configuration Overview
The Scania G-series sits below the R-series in Scania's truck lineup — lower cab, lower center of gravity, preferred for tipper and construction applications in India. The G440 is the dominant variant in Indian mining operations for this reason.
- Engine: DC13 115 (Euro 4) or DC13 116 (Euro 5), 324 kW (440 hp), 12.7L inline 6-cylinder
- Gearbox: GRS895R 12-speed range-splitter with Opticruise automated control
- Rear axles: RS1370A single reduction (37 tonne capacity) or BPW tag axle options
- Primary Indian applications: Mining tipper (31T GVW), cement tanker, heavy haulage, port tractor
The most common Indian fleet variant is 6×4 rigid with dump body, concentrated in Jharkhand and Odisha mining zones.
DC13 Engine Service Parts
The DC13 115 (Euro 4) and DC13 116 (Euro 5) differ primarily in aftertreatment — the Euro 5 adds SCR/AdBlue dosing. Both share the same block, head, and most consumable parts. Confirm the engine designation from the dataplate before ordering injectors or EGR components.
| Part | Part Number | Interval | Notes |
|---|---|---|---|
| Engine oil filter | 1766016 | 30,000 km or 1 yr | Use VDS-4.5 / API CK-4, 15W-40 |
| Fuel filter (primary coarse) | 1807019 | 60,000 km | Replace together with fine secondary |
| Fuel filter (secondary fine) | 1809007 | 60,000 km | High-pressure — do not reuse |
| Air filter | 1780918 | 90,000 km or restriction indicator | Halve interval in mining dust environments |
| Coolant filter (if fitted) | 1856528 | 60,000 km | Check coolant SCA concentration at each change |
| EGR cooler (DC13 Euro 4) | 1875545 | Inspect at 300,000 km | Failure = white smoke + coolant loss into intake |
| EGR valve (DC13 Euro 4) | 1750395 | Clean at 60,000 km; replace if sticking | Carbon buildup causes surging and low power |
| XPI injector | 1776047 | Test at 600,000 km | 2,400 bar; requires Scania service tool for removal |
EGR cooler warning: A failed EGR cooler on the DC13 Euro 4 introduces coolant directly into the intake manifold. If white smoke is present and coolant level is dropping without visible external leakage, pressure-test the EGR cooler before touching any other component.
Opticruise GRS895R Gearbox
The GRS895R is a 12-speed manual gearbox controlled by an SMG (Scania Modular Gearbox) electric actuator. Oil capacity is 11.5 L. Specification: Scania STO 2 (API GL-4 equivalent). Change interval: 90,000 km.
Common G440 Opticruise fault codes and their first-line diagnosis:
- DTC P00A0 / P00A1 — Gear selector motor fault: Clean actuator contacts; check motor supply voltage (minimum 22V with engine running)
- DTC P0730 — Incorrect gear ratio: Worn range cylinder O-ring (part 319225) or low oil pressure — check oil level first
- Gear engagement hesitation in range change: Range cylinder seal kit 2226892 — common at 200,000+ km
- Clutch actuator failure: Replace complete electric actuator 1533023; calibrate with SDP3 after fitting (10-minute procedure)
SDP3 requirement: Clutch actuator replacement on Opticruise requires calibration with Scania SDP3 diagnostic software. A non-calibrated actuator will cause clutch slip and DTC faults within the first 100 km. Do not release the truck without completing the calibration procedure.
Rear Axle RS1370A
Oil capacity is 18 L per axle. Specification: Scania STO 1 (API GL-5, SAE 90). Change interval: 120,000 km under normal conditions — halve this to 60,000 km for overloaded mining tipper operation.
| Component | Part Number | Notes |
|---|---|---|
| Axle input shaft seal (pinion seal) | 334447 | Replace whenever removing propeller shaft flange — never refit old seal |
| Wheel hub seal (per side) | 385714 | Replace in pairs; inspect hub bore for scoring before fitting |
| Crown wheel and pinion (ratio 3.70:1) | 1431584 | Always replace as matched pair; requires bearing preload setup |
| Differential bearing kit | 1756823 | Replace when fitting new crown wheel and pinion |
Crown wheel and pinion replacement requires setting pinion depth shims and bearing preload — this is workshop work, not field work. Incorrect preload setting on the RS1370A causes bearing overheating and axle failure within 20,000 km.
Cooling and Brake System
Coolant pump part number is 1878028. The G440 uses a cartridge-style pump — replace the complete unit on any weep hole seepage; there is no serviceable seal kit. Coolant change interval is 300,000 km using OAT (Organic Acid Technology) coolant — Scania LCF Grade 2 or equivalent.
Brake system runs EBS (Electronic Brake System). Front and rear axle brake linings are 250/90 mm drums, part 1789004 per axle. Check ABS wheel speed sensor air gap at every brake service — specification is 0.8–1.5 mm. Part number is 1430210. EBS modulator valve 1548042 requires calibration with SDP3 after replacement.
Brake lining tip: Indian G440 tippers running over gross weight wear rear brake linings at roughly double the rated rate. Check lining thickness at every 30,000 km on these vehicles, not the standard 60,000 km interval.
India-Specific Notes
G440 mining tippers in Jharkhand commonly run at 38–40 tonne GVW on 31-tonne rated vehicles. This puts severe stress on the RS1370A crown wheel, wheel hub seals, and rear leaf spring bushings (part 1447530). Reduce axle oil change to 60,000 km and inspect wheel hub seals at every tyre rotation.
Opticruise actuator failures spike during monsoon season. The actuator housing grommet in the firewall deteriorates, allowing water ingress that corrodes the motor contacts and causes DTC P00A0. Inspect and re-seal the grommet at pre-monsoon service. Part 1533023 (complete actuator) is strongly recommended as a field spare for any fleet with more than three G440 units — it is the most common cause of unscheduled downtime in Indian conditions.
Recommended field spares per three G440 units: One Opticruise actuator (1533023), one EGR cooler (1875545), one complete fuel filter set (1807019 + 1809007), two wheel hub seals (385714), one pinion seal (334447). These five items cover over 70% of unscheduled stoppages reported by Indian G440 fleets.
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